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#1 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
Posts: 290
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Re: My 71 gmc suburban
A little more progress today. Got the engine and trans testing where it should be. Hopefully start getting pulleys and such this coming week.
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#2 |
BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 19,866
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Re: My 71 gmc suburban
Interesting how the dual tanks look to work. Do they get connected via a hose down low?
How do you determine how much gas you have? I had a burb I parted years ago that had dual tanks, but they were separate like a dual tank set up with a truck would be. Had an extra filler right next to the stock one.
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#3 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
Posts: 290
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Re: My 71 gmc suburban
The tanks have a pipe at the bottom that will get connected with a short hose. From what the guy that gave it to me said is that due to the way it fills that it just uses the stock sending unit. Hopefully it works well.
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#4 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
Posts: 290
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Re: My 71 gmc suburban
Got a few more things buttoned up today. Torqued the torque converter nuts and engine mounts. Added a few more brackets to the engine and installed the sway bar. Luckily I noticed while doing this that the upper control arms were in the wrong side🤬. Better to find it now I guess so I got that corrected.
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#5 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
Posts: 290
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Re: My 71 gmc suburban
I have a question and hopefully someone will have an answer🤣 On my alternator bracket when I install it it wants to go behind the alternator instead of in front. Should there be spacers at the water pump and at the intake to get it in front of the alternator? The pulley lines up to the crank pulley just fine.
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#6 |
low n' slo
![]() Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,166
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Re: My 71 gmc suburban
that looks like it would be a pretty good size spacer..like an inch? if I remember right my old 305 had alt bracket spacers for the same reason
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67 1/2 ton Suburban - Project DRGNWGN. Build thread ![]() -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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#7 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
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Re: My 71 gmc suburban
It will be a decent sized spacer. I just dont remember from years back if there was one when I got it. It always lined up behind the alternator and that is how I was running it but then I noticed that every other big block I see the brackets in front and it does look better.
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#8 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
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Re: My 71 gmc suburban
I havent updated this in a little while.over the last few weeks I was able to get most of the front together, got brakes roughly bled yesterday but I need an assistant to help me finish that off. Finished up my dual tank install today and topped off fluids and got her running today. Still need to route wiring properly and dial in timing. I also still need to figure out the issue with alternator pulley alignment and also my fuel gauge shows way past full even with the wire to sender disconnected. Anybody ever see that and have any advise?
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#9 |
low n' slo
![]() Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,166
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Re: My 71 gmc suburban
looks good! where did you get those alignment shims for the upper A arms? when I pulled mine off 1 side had 3 and the other none. I'm sure when I get it aligned waaay down the road that will change. will be nice to have a pack of them ready to put in or adjust
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67 1/2 ton Suburban - Project DRGNWGN. Build thread ![]() -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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#10 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
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Re: My 71 gmc suburban
Thanks. The shims are what were on it when I took it apart. I tried to get close to what it had as a starting point for alignment.
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#11 |
low n' slo
![]() Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,166
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Re: My 71 gmc suburban
ya that's what I hear too. but no way mine would have that less lol. thanks for the info. I'll have to look into some aftermarket ones
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67 1/2 ton Suburban - Project DRGNWGN. Build thread ![]() -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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#12 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
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Re: My 71 gmc suburban
Im not sure if what I have is excessive or if thats normal. Not too familiar with these trucks. I just went through your whole build thread last week over a few days and damn your Suburban looks bad ass all layed out😎
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#13 |
6>8 Plugless........
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Location: Prairie City, Ia
Posts: 17,140
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Re: My 71 gmc suburban
Nice work on your suburban. On the fuel gauge issue, have you checked to see if the printed circuit on the back of the cluster is still ok?
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#14 |
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Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
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Re: My 71 gmc suburban
Thank you. The fuel gauge is working correctly now. Turns out I knocked the wire off the sending unit while I was installing it.
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#15 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
Posts: 290
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Re: My 71 gmc suburban
Got the truck buttoned up for the most part. I still need to install the bumper and get it aligned. I drove it to the gas station today to fill up the dual tank. Turns out it takes around 45 gallons to fill it up. The gauge reads full so hopefully it all functions well. This set up uses a second tank with a hose joint at the bottom so it uses the stock fuel gauge which is nice.I was able to install a T inline for venting purposes. The one side in the picture is connected now.
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#16 |
low n' slo
![]() Join Date: Mar 2009
Location: rosenberg, texas
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Re: My 71 gmc suburban
45 gallons?? Jesus lol that's like $130 bucks around here
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67 1/2 ton Suburban - Project DRGNWGN. Build thread ![]() -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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#17 |
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Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
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Re: My 71 gmc suburban
Damn California.It had 7 gallons in when I drove it to the gas station and it cost me around 190 for the 38 gallons to top it off
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#18 |
low n' slo
![]() Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,166
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Re: My 71 gmc suburban
ouch were about 2.90 in my neck of the woods, and I still complain lol
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67 1/2 ton Suburban - Project DRGNWGN. Build thread ![]() -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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#19 |
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Join Date: Oct 2012
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Re: My 71 gmc suburban
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#20 |
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Location: Cheraw
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Re: My 71 gmc suburban
With the price of gas today I would put some extra protection on the vent hose wear it touches that support rib.
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#21 |
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Join Date: Oct 2012
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Re: My 71 gmc suburban
[QUOTE=BigBird05;8998207]With the price of gas today I would put some extra protection on the vent hose wear it touches that support rib.[
Thanks for the heads up. I will either wrap the hose with another hose or install some clamps so there arent any run through. I hate the way they look but I also had to install a locking gas cap because Ive already had gas stolen out of it when my boy drove it to his moms house. |
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#22 |
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Location: Cheraw
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Re: My 71 gmc suburban
About your alt bracket, I saw an original single arm bracket that went to the back side of the alt.
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#23 |
Registered User
Join Date: Oct 2012
Location: VENTURA COUNTY CALIFORNIA
Posts: 290
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Re: My 71 gmc suburban
This bracket lines up decently at the back of the alternator but Im still too far back. I found some spacers at my local hardware store and between those and a spacer behind the alternator fan it lines up now. Is the single arm bracket different from what I have? I dont know big block GMs much.
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