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  1. 72chevy2door

    Help wiring CS-144 alternator on 88 GMC suburban

    I started to do the CS-144 upgrade on my 1988 GMC Suburban 1500. Originally it was the 350 TBI and I have since converted to carbureted. Well I wanted the better amperage alternator and so I purchased the pigtail harness from Autozone Part No. 792. And the alternator is from a 1994 Chevy caprice...
  2. 72chevy2door

    What's this?

    1986 Silverado 305/350c saddle tanks. No hoses are attached to it. If anyone can help me it would be much appreciated. And I know about the shorted wire. Still trying to chase that thing down on why it did it. Not sure when though.
  3. 72chevy2door

    1986 HEI extra plug?

    Hey everybody it's been a long time since o have posted on here and was wondering if I could get some help on this. I have a 1986 Silverado lwb with a 305/350C. The distributor is an HEI but has another plug on it. I'm thinking the distributor is going out because it constantly changes timing...
  4. 72chevy2door

    2/4 drop wheel sizing

    Hey everybody been a long time since I've posted anything but I have a 86 2wd Silverado lwb and I'm looking into lowering it 2/4 and put a stout 350/700R4 combo eventually. Well I am in search of new rims and tires so that away when I do drop it I won't have to get another set then. I'm wanting...
  5. 72chevy2door

    Aux tank usage?

    I know this may sound stupid but how do I use the other tank? Currently I'm using the driver side tank but I would like to see if the passenger side will work too. I read the solenoid valve thing goes out commonly and would like to test it. I tried looking through the owners manual but it didn't...
  6. 72chevy2door

    Distributor plug? HEI

    I'm curious as to what this plug is for. I have never seen a HEI with one of these. It's on a 1986 lwb C10. 305/350. Is it important? Such as if this distributor ever goes out will I be able to use another standard HEI that won't have this plug?
  7. 72chevy2door

    TCI Lock up kit install

    Hi guys if anyone is able to help me I would greatly appreciate it. I am converting my suburban from TBI to carburation and I purchased a lock up kit Summit part number TCI-376600. I'm wanting to use the vacuum switch so I don't have to mess with it ever again. It came with instructions, but for...
  8. 72chevy2door

    Fuse blows instantly.

    Hey guys I'm at a loss with this truck. I'm to the point of setting fire to it. It's a 88 gmc suburban 1500. The horn and dome light fuse keeps popping. It's supposed to have a 20a fuse in it. I tried a 30a and it still pops it without any hesitation, I can't even get the fuse in completely...
  9. 72chevy2door

    $500 lwb good deal?

    Well bought a 1986 chevy LWB 1/2 ton truck about a month ago. Was going to sell it to a family member for what I paid (original intention) but he backed out due to other reasons. I'm technically 3rd owner the second owner was the grandson that did absolutely nothing to it. The interior is pretty...
  10. 72chevy2door

    Suspension rebuild

    Hey guys. I'm looking into rebuilding the front end of my 1/2ton 88 2wd suburban. I'm also going to be replacing leaf spring bushings as they are rotted almost completely out. Are all the leaf spring bushings the same or are they different sizes? I will be replacing ball joints tierods pitman...
  11. 72chevy2door

    Largest tire in Suburban?

    If anybody can help I would greatly appreciate it. What is the largest factory tire option in 1985 for the 2wd 3/4ton suburban with the Steel wheels? And what is the largest tire I can run with the steel wheels at stock ride height without scrubbing? I know the rim is 16in but I don't know how...
  12. 72chevy2door

    Suburban with front and rear A/C

    I have a 88 gmc 1500 suburban with front and rear A/C and it also has the smaller (pancake) style compressor. It is currently R-12 freon but whenever I get the cash up it will be converted to R-134 freon. The system doesn't work right now and not sure what's wrong with it. It might not have any...
  13. 72chevy2door

    What are these things under the dash?

    Hey guys and gals I have a couple of questions as to what these things are. It's on a 1988 gmc 1500 2wd suburban. The black with aluminum fins is located under the column and the blue plastic thing is located behind the headlight switch. What are they and what do they do? I've never seen them...
  14. 72chevy2door

    Power window mod on suburban?

    I am sure it's possible to do it as it would be just two extra doors but I have no clue on how to wire it up at all. If anyone is able to help me much would be appreciated. I'm just trying to get it all figured out for now as I don't have the cash for all the relays or the spade connections...
  15. 72chevy2door

    Power window mod on suburban?

    I am sure it's possible to do it as it would be just two extra doors but I have no clue on how to wire it up at all. If anyone is able to help me much would be appreciated. I'm just trying to get it all figured out for now as I don't have the cash for all the relays or the spade connections...
  16. 72chevy2door

    Best fitting big block headers?

    Hey guys question here, what are the best fitting big block headers? It's for a 85 chevy suburban 2wd. It's for my brothers truck so I'm trying to help him locate a set that fit without having to be hammered to hell and back. We arnt picky on them being ceramic coated but we do want full length...
  17. 72chevy2door

    Russel braided brake lines

    Hey guys, curious if any of y'all have used or heard of someone using Russell's stainless braided brake lines on their square body? I have two different sets I bought one was supposed to be a gift be he sold his truck. Anyway I have these two sets. They look the exact same. Lengthwise and...
  18. 72chevy2door

    Lido storage box?

    Has anyone ever owned or used one of these? When I bought my truck it was in it. I was curious as to if anyone has ever seen one. I tried a google search on them and only find one for a jeep. This is defiantly a suburban one as you can see it fits perfect as the 3rd row handle clears and where...
  19. 72chevy2door

    Tbi to carb.

    Hi guys I need a little help on this. I own a 1988 GMC 1500 Sierra Classic suburban with a 350tbi 700-R4 transmission 2wd. I am having problems with the distributor throttle body coil something I don't know but it's causing me tons of stress and I'm broke so I just can't throw parts at it and...
  20. 72chevy2door

    Tbi engine backfire

    Hi guys I'm new to this forum and would greatly appreciate y'all's help. I own a 1988 gmc 1500 suburban. It has a 350 small block with tbi injection and a 700r4 transmission. I just did a fresh rebuild on the motor built it completly back to stock other than the camshaft, timing chain, and long...

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