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#7151 | |
Who Changed This?
![]() Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,383
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Re: What did you do to your truck today? Chapter II
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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#7152 |
Registered User
Join Date: Oct 2010
Location: Kingsburg, Ca.
Posts: 92
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Re: What did you do to your truck today? Chapter II
Guys, the tank is applicable to the Blazer. The exact model years escapes me but later 70's to later 80's I believe. It has a taper on the trailing bottom corner, assume to help with driveway approaches but the problem for me was that it then put the fill pipe aimed to the passenger side. So... I cut it off and brazed up the hole. On the driver side of the tank on the top corner there is a circular depression, that's where I put my fill tube. I used a mopar style grommet, which allows a little play/flex of the fill pipe if needed. I actually had an old Chrysler gas tank from which I cut the section that receives the grommet, and then brazed it onto the Blazer tank. This is what the stock 31 looks like:
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#7153 |
Registered User
Join Date: Oct 2010
Location: Kingsburg, Ca.
Posts: 92
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Re: What did you do to your truck today? Chapter II
Here are a couple pics of my tank after the previously noted modifications were made. The top of the tank is a little ugly, I got a few bucks off on it as it had a few dents and the heat from brazing didn't help any either, but I don't plan to see the top of that tank again for a long time.
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#7154 |
Registered User
Join Date: Oct 2010
Location: Kingsburg, Ca.
Posts: 92
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Re: What did you do to your truck today? Chapter II
Under the truck, I made a couple spacers to provide something to pull the tank up against, and also provide a little bit of gap/space for the vent line, fuel line etc. Two frame cross members were moved, never took a picture of their original location but they were riveted to the frame. I moved them outward to a point at the edges of the tank to provide a place to mount the tank straps.
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#7155 |
Registered User
Join Date: Oct 2010
Location: Kingsburg, Ca.
Posts: 92
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Re: What did you do to your truck today? Chapter II
As far as switching the tanks goes, this is what took me the longest to figure out. I used a simple valve, one wire leads to it so when energized the solenoid is shifted to draw from the aux tank. When de-energized it will draw from the main tank. (behind the seat) The switch is a 'double pole, double throw' unit and as far as I can tell is pretty much made for switching between a pair of tanks like this. Got these items on ebay. Also including an image of how the wires connect to the switch. I am not by any means an electrical genius but I was able to get this working.
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#7156 |
Registered User
Join Date: Oct 2010
Location: Kingsburg, Ca.
Posts: 92
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Re: What did you do to your truck today? Chapter II
Last item I think there is to cover is the fill tube. I wimped out and am currently filling in the wheel well, it is a 4x4 and lifted about 4 inches so there is plenty of room, and is mostly street driven so not TOO worried about a lot of debris or dirt on the gas cap. I mounted it firmly with some muffler clamps against the bottom of the bed with carriage bolts from the bed side. Connected this to the tank with a piece of rubber fill pipe hose and that is pretty much a wrap on the project. Perhaps in the future I'll do a fancy thru the tail-light gas door or something, but for now I think I'm on the road. Planning a trip over Tioga Pass to see the colors of fall late next month.
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#7157 |
Registered User
Join Date: Oct 2010
Location: Kingsburg, Ca.
Posts: 92
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Re: What did you do to your truck today? Chapter II
One other item of note, if you use a fuel pickup which is the same ohm rating as the one in your other tank, the double pole - double throw switch will route the current to your stock dash fuel gauge when connected as shown in the diagram. So, one switch to flip switches the feed from one tank to the other and also causes the gauge to indicate fuel level in the tank being drawn from. For a time, I thought I'd have to add a gauge for the aux tank and was pleased to find that isn't necessary.
Jeff Last edited by Quikshft; 08-19-2018 at 02:47 AM. |
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#7158 |
Registered User
Join Date: Oct 2010
Location: Kingsburg, Ca.
Posts: 92
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Re: What did you do to your truck today? Chapter II
Yikes, one more detail to describe. To vent the tank there is a tube on the fuel pickup. I ran a line from there and tee'd into the loop of line that goes up into the passenger side cab corner. (a high loop which proceeds from the stock tank, basically just a way to keep liquid fuel out of the vent line running to the charcoal canister under the hood) I just brazed a piece of fuel line into the existing 'high loop' and ran it solid down to a point through the cab floor, then used a short piece of rubber fuel line to connect to another hard line mounted inside the passenger frame rail, running parallel to the fuel line to the rear of the truck where again I ran some rubber hose to make the connections on top of the tank. I didn't really want to vent the tank to the atmosphere so the stock charcoal canister is going to do double duty now.
Hope this all is clear. Praise the Lord and pass the fuel filler nozzle! Last edited by Quikshft; 08-19-2018 at 02:45 AM. |
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#7159 |
Senior Member
![]() Join Date: Jan 2013
Location: North Charleston SC
Posts: 503
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Re: What did you do to your truck today? Chapter II
Completed Lizard Skin, I used both the sound and heat control.
Last edited by SIXTY9; 08-19-2018 at 11:49 AM. |
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#7160 | |
Proprietor of Dale's Corner
![]() Join Date: Nov 2012
Location: Vacaville , CA
Posts: 16,087
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Re: What did you do to your truck today? Chapter II
Quote:
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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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#7161 |
Strongman Garage
![]() Join Date: Apr 2000
Location: Salinas, CA
Posts: 10,241
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Re: What did you do to your truck today? Chapter II
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Kalle 68 GMC Suburban 1500 4x4 SOLD 69 Pontiac Lemans 99 Silverado 4.8 5 speed ECSB [ Facebook Instagram Subscribe on YOUTUBE |
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#7162 |
Registered User
Join Date: Feb 2012
Location: So. Cali.
Posts: 2,642
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GREAT writeup ! .
That blazer tank is also used on '48 ~ '55.1 AD series Chevy and GMC pickups to rear mount a larger tank out of the cab .
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-Nate Geezer '49 3100 235 W/ Muncie SM420 SOLD '69 C/10 shortbed sidemount survivor 250 L6 W/ 350TH ![]() |
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#7163 |
Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: What did you do to your truck today? Chapter II
Finished the 2bbl factory air cleaner modify, now supports a 4bbl carb.
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Do it, Do it right, Do it right the first time |
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#7164 |
Registered User
![]() Join Date: Sep 2005
Location: British Columbia CANADA
Posts: 118
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Re: What did you do to your truck today? Chapter II
Went to the local car show in Port Coquitlam British Columbia. Lots of great cars and truck plus the streets were filled with spectators. Kinda hazy from the forest fire smoke but not too bad.
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1969 C20 Customer Camper CST, 396, TH400, Factory A/C, Olive Green. |
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#7165 |
Registered User
![]() Join Date: Jul 2016
Location: Murfreesboro, TN
Posts: 229
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Re: What did you do to your truck today? Chapter II
I've heard about Lizard Skin & am planning to use it on mine.....much later.
![]() In the meantime, I think I need to invest in a cutting torch. The cutoff wheel, hammer & chisel, & prybar aren't making this chore very quick. ![]()
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1969 GMC 2500. 250 I6, 4-speed w/ granny low |
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#7166 |
Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: What did you do to your truck today? Chapter II
Almost time to fire up again, three times a charm
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Do it, Do it right, Do it right the first time |
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#7167 |
Registered User
Join Date: Nov 2017
Location: Wasaga Beach Ontario Canada
Posts: 206
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#7168 |
70+ ( Old Skool Club )
![]() Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,115
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Re: What did you do to your truck today? Chapter II
Went over to a friends to get my factory original tilt column I bought 18 months ago installed. He did 90% of the work. Came in an out pretty easy. I really like the shorter shifter arm with the steering wheel I have.
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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#7169 |
Senior Member
![]() ![]() Join Date: Mar 2016
Location: Near Canon City ,Colorado
Posts: 3,957
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Re: What did you do to your truck today? Chapter II
I agree, good info, nice details.
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'35 1/2 ton Pickup (bought 2020) '68 C10 Suburban (bought 2021) '72 K5 Blazer (bought 2013) '67 Stepside (bought 1997-sold 2021) '96 Bronco Eddie Bauer (inherited 2010) My 1st day here-'67 C10(sold)and '72 K5 Blazer http://67-72chevytrucks.com/vboard/s...d.php?t=702056 "Another Blue Chevy"(1935) http://67-72chevytrucks.com/vboard/s...d.php?t=799203 ![]() ![]() |
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#7170 |
Registered User
Join Date: Mar 2013
Location: Hewitt, Texas
Posts: 444
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Re: What did you do to your truck today? Chapter II
discovered a small oil leak either from the front seal or front cover/oil pan area. gonna do some more lookin' tomorrow.
worst case scenario....how possible is it to reinstall the damper with the engine still in the pickup. this crank does not have the threaded nose to pull the pulley on
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Steven '67 SWB, 250ci, 3OTT.......this is my first build...... I wonder if my grand kids will say, "I would give anything to have my grand dads 2005 Chevrolet Z71" |
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#7171 |
Who Changed This?
![]() Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,383
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Re: What did you do to your truck today? Chapter II
Pulling the grille and radiator might be easier. With a six the damper is pretty close to the radiator core support.
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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#7172 |
Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: What did you do to your truck today? Chapter II
Started the engine and it sounds great. Got the break in done and just about to change the oil. HAPPY HAPPY HAPPY
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Do it, Do it right, Do it right the first time |
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#7173 |
Senior Member
![]() Join Date: Oct 2014
Location: New Palestine In
Posts: 931
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Re: What did you do to your truck today? Chapter II
Well Sun while out for a drive the mirror head fell off. It broke of course but I retrieved it and yesterday took it to the glass and mirror shop and they cut me a new one and glued it in. I used some Loctite 609 to epoxy the head back on the base and we're back in business. Stupid foreign made crap anyway. I also put a tack weld on the mirror ball cause I got tired of keep having to adjust the d#%n thing.
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Phil "Money is only a tool to create and achieve what you want most in life" PayPal: rodnrudy@comcast.net |
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#7174 |
Registered User
Join Date: Feb 2016
Location: Trenton,Ontario & South Carolina
Posts: 755
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Re: What did you do to your truck today? Chapter II
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#7175 |
Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: What did you do to your truck today? Chapter II
I'm thinking It might need a good test with the 5 speed. I should be up on the long weekend but I need to take my other truck and trailer. I should get your cell and I'll text ya when up.
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Do it, Do it right, Do it right the first time |
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