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#2326 |
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Location: Winfield, Ks.
Posts: 4,162
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Re: Crusty Rusty Leaky Squeaky 67 Step
I had a chat with them and didn't get any solid answers beyond barometric pressures and some other stuff that was above my head... LOL
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Dan Johnston... Owner of My Dad's- '67 Chevy C-20 Custom Camper Short Fleetside Pickup PAPA J And our newest addition a- '71 Chevy CST/10 Short Fleetside Pickup Haulin' SOLD Papa J's Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=612847 Haulin's Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=671130SOLD B Bears Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=744210 |
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#2327 |
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Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Crusty Rusty Leaky Squeaky 67 Step
Humm, temperature change overnight creating pressure and the vapor created from filling? Bummer but at least it’s a short bed!
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#2328 |
Registered User
Join Date: Jun 2016
Location: Visalia California
Posts: 891
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Re: Crusty Rusty Leaky Squeaky 67 Step
Is the tank vented properly? Just a thought.
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#2329 |
Senior Member
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Location: Papillion, Ne
Posts: 897
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Re: Crusty Rusty Leaky Squeaky 67 Step
Must be something in the Midwestern air Victor, because I'm chasing a mind bender problem on my '72...Good luck!!! Btw...when did you paint your box lime green? Lol...did a real double take in the pic where the box was coming off...
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![]() '05 RCSB Sierra 2WD '71 Sierra 2WD Longbed '98 Silverado K1500 Xcab...sold '72 Highlander"Raymond"...sold |
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#2330 |
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Join Date: Mar 2009
Location: WARRENSBURG,MISSOURI,64093
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Vic,
Would you like to try a different type of gasket material? I have a type here at work called “Gylon” it’s a blend of Garlock and nylon, has some crush to it, I also have a product called “Gore” sealing tape: it has a self adhesive backing and you wouldn’t have to fully remove the sending unit/pump to install it. Here’s a picture of the material.... Let me know, I have other kinds as well. Ben
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"Persistence is the twin sister of Excellence.one is a matter of quality,the other, a matter of time" ![]() “Serious Black” my 1971 Short Bed Fleetside Sold to an outstanding man in Lees Summit,Mo. “Gone, but by no means,Forgotten” Last edited by snipescastle2; 02-26-2018 at 02:58 PM. Reason: Adding |
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#2331 | |||
Senior Member
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Location: Kansas City, MO
Posts: 2,011
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Re: Crusty Rusty Leaky Squeaky 67 Step
Quote:
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![]() Well, not in the traditional sense. BW sells a rollover vent, but I didn't want one. Prefer the sealed system with the valve in the gas cap. It has a fill neck that came out of a Blazer which has a vent tube for filling purposes, but that's it. When I pulled the lines going to the EFI, there was no fuel in the lines or fittings. So if there was any pressurization, it wan't enough to force the fuel thru the pump and up into the line. Leak was just around the EFI cover gasket. Quote:
![]() ![]() Something like that might help if re-torquing the fasteners doesn't do the trick. I'd really rather not have to pull the pump and put on a new gasket. BW sells them but I think they're rubber. I did what Brian had suggested and replaced the Phillips screws with socket cap screws so I could actually torque the fasteners. I started at 25 in-lbs, but waiting to hear from the company to see what (if anything) they recommend.
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Victor 57 Chevy Wagon - California Dreamin'"Mecum'd" 9/2022 Dallas, TX Crusty Rusty Leaky Squeaky 67 Consigned 4/2019 Dresden, Germany Maybelline - my '57 Ford 2dr Sedan "Mecum'd" 3/2016 Location unknown Silver Streaker "Mecum'd" 4/2013 Somewhere in Texas |
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#2332 |
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Location: Winfield, Ks.
Posts: 4,162
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Re: Crusty Rusty Leaky Squeaky 67 Step
We made a thicker gasket and tightened more... fixed my problem...
Let me see if I can find that phone number... it has been about a year and half
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Dan Johnston... Owner of My Dad's- '67 Chevy C-20 Custom Camper Short Fleetside Pickup PAPA J And our newest addition a- '71 Chevy CST/10 Short Fleetside Pickup Haulin' SOLD Papa J's Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=612847 Haulin's Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=671130SOLD B Bears Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=744210 |
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#2333 |
Registered User
Join Date: Mar 2009
Location: WARRENSBURG,MISSOURI,64093
Posts: 1,518
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Vic,
Did that gore tape fix the leak? Sure hope it did. Ben ![]()
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"Persistence is the twin sister of Excellence.one is a matter of quality,the other, a matter of time" ![]() “Serious Black” my 1971 Short Bed Fleetside Sold to an outstanding man in Lees Summit,Mo. “Gone, but by no means,Forgotten” |
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#2334 | ||
Senior Member
![]() Join Date: Mar 2012
Location: Kansas City, MO
Posts: 2,011
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Re: Crusty Rusty Leaky Squeaky 67 Step
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After all that, I tested the pump and lines. That was a bit of a learning curve. The pump would come on for a second or two and quit. According to the all knowing Google, that's normal. It primes the injectors and then waits for the crank signal before re-energizing the fuel pump relay. So to test the system, I had to disconnect the weather pack connector at the pump and jumper 12VDC to it. But during my research, I also read that low fuel level can cause the pump relay to deactivate. I ended up calling Radley Chevrolet out in VA (who sold me the LS and trans) and talked to a guy named Mike. He said the fuel level signal was not used in the GMPP computer and harness. But the best bit of info he gave me was the phone number for the GMPP help center. WooHoo!! If I have any issues when I fire this puppy up in a day or two, hopefully I'll have someone to steer me in the right direction. The fuel lines are leak free, the pressure reads 60 psi and holds 50 psi back pressure when you shut off the pump. No injector leaks either. I believe I'm about ready to make some noise. I got the bed back down on the frame and started all the bolts. Need to sort out the vent and get it back down on all fours. Painted the intake tube and installed it and the MAF sensor today also. Getting closer...
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Victor 57 Chevy Wagon - California Dreamin'"Mecum'd" 9/2022 Dallas, TX Crusty Rusty Leaky Squeaky 67 Consigned 4/2019 Dresden, Germany Maybelline - my '57 Ford 2dr Sedan "Mecum'd" 3/2016 Location unknown Silver Streaker "Mecum'd" 4/2013 Somewhere in Texas |
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#2335 |
Registered User
Join Date: Mar 2011
Location: Kansas City, Missouri
Posts: 3,541
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Re: Crusty Rusty Leaky Squeaky 67 Step
Awesome!!! I’m super excited for you to get it fired up. I had a issue with my fuel tank leaking from my gas lines on the red truck , I switched to a “vented” gas cap and the issue never appeared again. I apparently had bought the wrong year gas cap. Some tanks have the vent lines and some have the cap that is vented.
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Scott |
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#2336 |
Registered User
Join Date: Jun 2016
Location: Visalia California
Posts: 891
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Re: Crusty Rusty Leaky Squeaky 67 Step
To answer your question on the fuel level sender the ecm doesn't look at that for fuel pump relay control. With key on it primes system and then shuts off until it is cranked over. Looks like your ready to fire that baby up !
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#2337 |
Registered User
Join Date: Apr 2003
Location: Indep, MO
Posts: 5,893
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Re: Crusty Rusty Leaky Squeaky 67 Step
Here I go away for a few days and all this happens! Great progress! God luck on the fire-up!
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Boppa's Old Yeller Truck Build, Old Yeller's New Heart! Project Buzz Bomb Flyin' Low! |
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#2338 | |||
Senior Member
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Location: Kansas City, MO
Posts: 2,011
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Re: Crusty Rusty Leaky Squeaky 67 Step
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Crusty fired up for the first time today. Everything went pretty well all things considered. I have some issues to address but that's to be expected. The temp probe that triggers the electric cooling fans is bad, but Derale is sending out a new one. Neither the tachometer nor the speedometer work, will have to get some tips from Classic Instruments tomorrow. And for some reason the check engine light on the dash is flickering when the engine is running. The MIL light in the relay box doesn't seem to doing that, but it's hard to tell because it's a lot smaller light. HF has a sale on a couple of their Zurich scan tools. May be time to invest in one.
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Victor 57 Chevy Wagon - California Dreamin'"Mecum'd" 9/2022 Dallas, TX Crusty Rusty Leaky Squeaky 67 Consigned 4/2019 Dresden, Germany Maybelline - my '57 Ford 2dr Sedan "Mecum'd" 3/2016 Location unknown Silver Streaker "Mecum'd" 4/2013 Somewhere in Texas |
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#2339 |
Registered User
Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,248
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Re: Crusty Rusty Leaky Squeaky 67 Step
What a GREAT feeling for you!... and all of us who have been watching and waiting for this! Congratulations sir!!!
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#2340 |
Registered User
Join Date: Aug 2012
Location: Topeka Kansas
Posts: 2,655
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Re: Crusty Rusty Leaky Squeaky 67 Step
It's Alive!
I bet you are just itching to go for your first drive. For your next video can we go with you on a drive? |
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#2341 |
Registered User
Join Date: Apr 2003
Location: Indep, MO
Posts: 5,893
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Re: Crusty Rusty Leaky Squeaky 67 Step
WOOOOO HOOOOO! Go Vic Go! Congratulations!
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Boppa's Old Yeller Truck Build, Old Yeller's New Heart! Project Buzz Bomb Flyin' Low! |
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#2342 |
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Join Date: Mar 2011
Location: Kansas City, Missouri
Posts: 3,541
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Re: Crusty Rusty Leaky Squeaky 67 Step
Awesome Job Vic!!
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Scott |
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#2343 |
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Join Date: Jun 2016
Location: Visalia California
Posts: 891
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Re: Crusty Rusty Leaky Squeaky 67 Step
Good work Vic!
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#2344 |
Senior Member
![]() Join Date: Feb 2011
Location: Papillion, Ne
Posts: 897
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Re: Crusty Rusty Leaky Squeaky 67 Step
Cool!!! Sounds great!!!
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![]() '05 RCSB Sierra 2WD '71 Sierra 2WD Longbed '98 Silverado K1500 Xcab...sold '72 Highlander"Raymond"...sold |
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#2345 |
Registered User
Join Date: Jul 2012
Location: Rosenberg, Texas
Posts: 3,506
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Re: Crusty Rusty Leaky Squeaky 67 Step
Sounds great! Hopefully your issues are minor and easy to fix.
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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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#2346 |
Proprietor of Dale's Corner
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Location: Vacaville , CA
Posts: 16,103
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Re: Crusty Rusty Leaky Squeaky 67 Step
Sounds great Vic.....
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"Some Days Chickens And Some Days Feathers" Dale XNGH ECV Sam Brannan 1004 R.I.P. 67ChevyRedneck R.I.P. Grumpy Old Man |
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#2347 |
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Join Date: Oct 2012
Location: mountain home, AR
Posts: 794
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Re: Crusty Rusty Leaky Squeaky 67 Step
What a milestone!!!
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Project Double Tap http://67-72chevytrucks.com/vboard/s...d.php?t=555901 69 Olive Verde http://67-72chevytrucks.com/vboard/s...d.php?t=734720 |
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#2348 |
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Join Date: Aug 2012
Location: Topeka Kansas
Posts: 2,655
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Re: Crusty Rusty Leaky Squeaky 67 Step
I can't be the only one thinking this, when do we get to see the hood?
I've been dying to see it in paint. |
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#2349 |
Senior Member
![]() Join Date: Mar 2012
Location: Kansas City, MO
Posts: 2,011
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Re: Crusty Rusty Leaky Squeaky 67 Step
Thanks, guys, for hanging in there with me. It's been a lot longer slog than I imagined. I know you understand how relieved I was that the engine actually fired up on the first try. It's a big step forward for a LS newbie. Certainly not as ambitious as some of you who've transplanted donor engines and had to jump thru even more hoops to make it all work, but still a big moment.
I spent a half hour on the phone yesterday with a GMPP tech and he was very helpful, although at the end of the call I still didn't really understand the difference between the VSS +/- and speedout wires. My BIL, Rick, and I had a long conversation about pull up - pull down resistors and after the call, I stumbled across a line in the Classic Instruments manual that stated the tachometer signal needs at least an 8V reference level and to use a 1K ohm resistor if the input wire is coming from a PCM/ECU. I only had about a dozen loose resistors in my electronics box, but luck was with me and I had one that was exactly 1K. After connecting it between switched 12DC and the signal post, I have a working tach. Now it's on to the speedo. The GM tech seemed to think that having the NAV system and the cruise control piggybacked off the same wire going to the digital interface box for the speedo might be attenuating the signal. So today I'll patch a wire directly from the GMPP harness to the speedo box to delete the other two sinks temporarily. If that doesn't work, I'll be on the phone to Classic Instruments on Monday. ![]() I still have some work to do in the engine compartment, so it will be a little bit before I get the hood on. It's been leaning up against the back of the shop gathering dust since I brought it home from paint.
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Victor 57 Chevy Wagon - California Dreamin'"Mecum'd" 9/2022 Dallas, TX Crusty Rusty Leaky Squeaky 67 Consigned 4/2019 Dresden, Germany Maybelline - my '57 Ford 2dr Sedan "Mecum'd" 3/2016 Location unknown Silver Streaker "Mecum'd" 4/2013 Somewhere in Texas |
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#2350 |
Registered User
Join Date: Aug 2012
Location: Topeka Kansas
Posts: 2,655
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Re: Crusty Rusty Leaky Squeaky 67 Step
Cobbling together a patchwork of components from several different manufactures can be tricky and time consuming even if you have experience and for the guys that don't do this kind of stuff all the time it is a daunting challenge but you are smart and determined and you will get through it, hell you already solved one tricky problem and you just started working on it, you will have it working properly before you know it.
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