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#201 |
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Also got the ECU engine harness completed and installed. I re-routed the wiring and came up with my own branch scheme. Got it all taped up then all wrapped up in Classic Braid from Painless Performance. That stuff looks really good. The only drawback is the kit I ordered (chassis pack) doesn't include nearly enough self vulcanizing tape (used to wrap the joints in the branches) but I guess they don't count on you wrapping an engine harness and a vehicle harness.
Here's the harness after re-routing, prior to getting wrapped. For the record, I officially hate the universal harness after going through this process. Where I have the ECU I have almost 4 ft of excess harness to contend with, yet I'm still super tight on one branch due to the lengths being already terminated. If I had this to do over again I'd get an unterminated harness, but I went ahead and got the harness with the ECU. Probably works for most people and makes their life easier, but for guys like me it drove me up the wall. Oh well. It's done. It's installed for now. It may get yanked in the future. Little closer shot showing all the branches. For reference, I really only need about 1' of trunk vs the 5'+ shown above. Here's that giant grommet again, this time on the harness. Nope I didn't cut the grommet and the connectors are all larger than the 1" center hole and it doesn't stretch enough to clear the connectors even after 10+ min in boiling water. So yep, I wound up removing all the wires from each of the ECU connectors. I of course have them all in a spreadsheet by pin, wire color and function so it didn't bother me, but I still only did one connector at a time. Here's the harness all wrapped up. Way too long and I even have some wires in a loop they were so long. Live and learn. A close up of a couple branches.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#202 |
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Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
This weekend after I got the engine harness installed I started on the vehicle integration. I'm running a Holley Dominator ECU, so it's got tons of inputs and outputs. It has a dedicated set (J2) for just that and then if you aren't running DBW or an e-Trans (like a 4l60e) then J3 and J4 become wide open for more inputs and outputs. J1 is now reserved for the engine. BTW, J1 and J2 have 2 connectors, so yes, that's 6 connectors on this beast of an ECU. And they all have at least 24 pins each. Fortunately I've only gotten in to around 20 extra pins as of right now. But add in wheel speed sensors for traction control and maybe some linear POTs on the suspension and there's a bunch more wires. This thing is setup for Turbos, NOS, water injection, flex fuels if you want, and more.
Just a bunch of extra long, ready to cut to length unterminated wires (they do have the ECU pin already crimped on), a couple blank connectors. That's more like how I like to roll. Just a spreadsheet and my mind. Hmm, what color wire should I make this function? Ok, a slight break from wiring. I needed to get my gauges to an installable point. Now, I had already designed this layout before, but I never made a proper panel until today. So here it is, all $16 of that 14 ga plate from Lowe's and some time. A bunch of time. Boy I wish I had a plasma cutter. But I don't. Shown here raw, which it will stay for the near term. I had planned to paint it, but this raw look with some of the sanding swirl from the DA still showing actually has me thinking it might stay raw. Well, a little clear would get shot on to help keep it from rusting since it's carbon steel. All electric gauges mean lots more wires to deal with. I've got some connectors to install that will make this look a lot more manageable.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#203 |
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Join Date: Dec 2013
Location: Farmington NM
Posts: 655
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Very cool build and great attention to detail. I'm excited to hear it when you fire it.
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Former Build (68 c10 swb): http://67-72chevytrucks.com/vboard/s...d.php?t=724379 (SOLD) Current Built (68 c10 swb): http://67-72chevytrucks.com/vboard/s...d.php?t=787712 |
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#204 |
Registered User
Join Date: Dec 2009
Location: Kirkland, WA
Posts: 1,302
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
A couple of random questions for you...
- Are your wheels going to fit in a stock wheel well? - What paint do you use on small parts, eg the steering column bracket? I haven't had very good luck with anything in a rattle can besides this VHT Epoxy stuff so far.
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1968 LWB C20 / AC / Wood Bed |
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#205 | ||
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
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Fronts - Yes, at least all the tests I've done so far support that. Until she's all together and sitting on the full weight and I run the steering lock to lock I reserver judgement. Rears - No ... The stepside fender fits about a 10.5" wide tire (sidewall bulge to sidewall bulge with a little room) so I had to cut the bedsides to fit the tire I'm running (~12" wide) as I want the tire to be able to tuck. If I didn't want to tuck I could have gone with a different backspace but then the wheel would have stuck out more than I like. Paint for the small stuff - I've been using the same exact stuff you linked, VHT epoxy satin black. I like the color and it seems to hold up pretty well if you follow the prep and application guidelines. So I'd say we have had the same experience. And for the rest wondering, this stuff is actually expensive. The can only covers ~14 sq ft if you're lucky. I've gone through a lot of cans.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#206 | |
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Location: Lenexa, KS
Posts: 547
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Where did you get the large grommet if you don’t mind me asking?
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#207 |
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Hey beaterku, no worries on asking, I'm happy to help. Turns out, that giant grommet was in the Holley LS EFI package I'm using. I hadn't paid any attention and was digging through the pile of crap on my bench and came across it and was like "hmm, I ought to try this thing since I have it" and at the time I had no clue where I had got it from. I did a quick scan on the Holley website and didn't see anything similar sold separately, but you might be able to give them a ring and see if they can tell you where they get it, reference P/N 550-612. I was looking at various options from seals-it if I hadn't come across this one (since I had no clue I had it) or it didn't work out.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#208 | |
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Location: Lenexa, KS
Posts: 547
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Thank you for the information! The build looks great by the way!
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#209 | |
Registered User
Join Date: Dec 2009
Location: Kirkland, WA
Posts: 1,302
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
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1968 LWB C20 / AC / Wood Bed |
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#210 | ||
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#211 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,964
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
VHT Epoxy Satin Black has the same sheen as the 'old school' Krylon Satin black (before they changed the formula). Beware though.... It does not like it if you don't follow directions (specifically the re-coat time line). That's the only thing I dislike about it.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#212 |
Senior Member
Join Date: Jul 2002
Location: Champaign, IL
Posts: 1,396
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Thank you for the tremendous amount of detail on this build. I picked up my NoLimit chassis last week and will begin setting up the sheetmetal shortly.
What body mounts did you go with? I ordered an Energy Suspension kit and the body mount cushions don't drop into the frame tabs. Did you have to wallow out your body mount holes?
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Baby Blue's Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=652776 Project 68's Build Thread: http://67-72chevytrucks.com/vboard/s...17#post8442117 www.stonecolumnclassics.com Email: Josh@stonecolumnclassics.com |
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#213 |
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Hey Guys ... sorry for the lack of updates. It's been a busy time at work and I've only been hitting the truck on weekends. Then this week on Tuesday I lost my shop dog to acute kidney failure. She was only 11. It's been a tough Thanksgiving for sure. Trying to get back to normal activities.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#214 | |
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
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And yes sir, me and the die grinder had to nibble away at the body mounts on the chassis. I just nibbled away until they would barely slide in there (only needed to do the front/back of the hole). Then shot some of that epoxy rattle can stuff earlier in the thread on the exposed steel.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#215 |
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
In my absence here I did put together a video discussing the potential need for a cab notch on the No Limit chassis. It's posted over on the truck's youtube page so here's a link:
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#216 | |
Senior Member
Join Date: Jul 2002
Location: Champaign, IL
Posts: 1,396
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
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Baby Blue's Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=652776 Project 68's Build Thread: http://67-72chevytrucks.com/vboard/s...17#post8442117 www.stonecolumnclassics.com Email: Josh@stonecolumnclassics.com |
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#217 |
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Join Date: Sep 2003
Location: Rayne, LA
Posts: 2,782
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Sorry to hear about your shop dog, she looks like she was a good one. It's always hard to lose such a loyal friend.
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Steven "If dogs don't go to heaven, when I die I want to go wherever they went." -- Will Rogers R.I.P. Oscar R.I.P. Ratchet 1967 Pontiac GTO - Dad was the Original Owner 1970 Chevy 2wd SWB "Oscar's Truck" 1970 Chevy 2wd Blazer "Ratchet's Blazer" 2013 Chevy 2500HD Crew Cab Duramax/Allison Z71 LTZ "Brown Sugar" 2017 Chevy Suburban "BDB" 2020 Chevy Blazer Premier "Foxy" Member of Louisiana Classic Truck Club (LCTC) Shop Build |
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#218 |
Senior Member
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Location: Hayden, Al.
Posts: 4,148
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
I truly hate to hear about the loss of your pooch. My shop dogs always make my time in the shop a little bit better.
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#219 |
Registered User
Join Date: Jul 2012
Location: Rosenberg, Texas
Posts: 3,506
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Sorry to hear about your shop dog. I went through that a couple years back. One of the hardest days of my adult life.
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-Duane C/10 Club Texas member 1971 Chevy C10 "Brutus" SWB Fleetside 2016 6.0L (L96) 6L90E (driver/project) 1965 Pontiac GTO "Royal Goat" 400/TH400 w/AC (my baby) |
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#220 |
motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Sorry to hear about you shop dog - that is always such a tough loss. I'd be torn up if my little 4 legged buddy wasn't around.
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac ![]() ![]() Use the SEARCH function on this forum - it is your friend!! |
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#221 | |||
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#222 |
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Hey guys, sorry for the lack of updates. Let me try and catch you guys up. I left off above with the gauge cluster wiring. That's all been completed. I also tackled the interior wiring and got that all completed and ready for testing. The interior wiring has been ohmed out so the remaining testing is putting some voltage into the wiring and making sure it is going where it is supposed to before I plug in all that fancy electronic equipment.
Here's a shot showing a mostly finished wiring on the gauges. It is all done now, but for some reason I don't have a pic just yet even thought it's been done for a while. Showing the gauges set in place for a quick look update. Oh custom wiring ... Doesn't bother me, but it sure is a mess. Lot's of integration to get done with the ECU. Connectors installed on the ECU-vehicle integration wires. Currently 31 circuits integrate to the vehicle.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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#223 |
Registered User
![]() Join Date: May 2007
Location: dallas ga
Posts: 1,505
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Your build looks great.Question: I am using the no limit chassis with an ls3 swap, what headers will work?
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#224 |
Registered User
Join Date: Jun 2017
Location: Raleigh
Posts: 97
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Chris....is that a Simpson 260???
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#225 |
Registered User
Join Date: Nov 2012
Location: Broomfield, CO
Posts: 242
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Re: C10CJ: A Pro-touring '71 Stepside on a No Limit Pro-C10 Chassis
Continuing with the ECU wiring, here's the other half of the connectors wired up. The bundles all then went somewhere in the truck. By somewhere, either to switches that aren't mounted just yet, or to the bulk head connector behind the fuse block and out to the engine compartment, to the gauges or idiot lights.
One thing I love about the Autometer elite is that most of them have data logging output. So I'm sending the vehicle speed, coolant temp, trans temp and oil pressure over to the ECU. The ECU is sending the tach signal back. For the coolant temp, the ECU measures temp in the driver side cylinder head and the gauge in the passenger side cylinder head. So by passing the gauge to the ECU, I'll have both cylinder head temps in the ECU and data logs. I also sent fuel level into the ECU to play with and see what use it might be as there is no smoothing on that signal so it is really only good for static level checks but I can apply math in the ECU and calculate gallons. I'm then using the other signals to manage the fans (2 on the radiator, one on the trans air cooler). Getting busy behind the gauges. Going behind the AC duct ... A mini power distribution center in the cab above the fuse block. Advancing from 1971 electronics to 2017 electronics meant adding a bunch of additional circuit management. So I'll have the fuse block, the interior power distribution and another power distribution in the engine compartment I'll show you in a couple posts. To summarize, there are five relays in use, 1 mini relay (the big one) and 4 micro relays (1 is on the far left behind the headlight switch). I also have 2 spare slots for relays for "future growth". And last a shot of the fuse block after everything has been completed and all the slots in the bulkhead connector have been filled. I literally have no more room. Anything new is going to need a 3rd pass through location.
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Chris Build Thread for my '71 Pro-Touring: http://67-72chevytrucks.com/vboard/s...d.php?t=722029 My C10 has it's own facebook page! www.facebook.com/c10cj - it is a public page so no facebook account required to browse through. |
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