Oct 9, 2010 · It started about a month ago and ive been covered in grease since then.. The truck is an 88 gmc s15 jimmy with 4.3 auto 4x4, ill be driving and it acts like its choking for gas. But my real reason for posting is a simple question and advice? I …

Sep 15, 2010 · i have a 88 gmc s15 2.5 5 speed, bought it for 200 buck, ran good great mpg, recently it has a hight idle, runs to rich and oil in the radiator.

Jul 28, 2005 · 1988 gmc s15 regular cab 2.5 5spd 127,000 miles Got truck form uncle who got killed on his tractor. He never drove truck over 70, never wound it out or squealed out. Truck messed up on him once, got a new computer check engine light went off and ran fine. When he got illed we went through all...

Sep 4, 2013 · I look in owners manual at it show 5 quarts of oil when changing oil & filter. The oil showed overfilled before changing. I drain the system & change the filter and added 5 quarts of oil. The oil level is about 1 inch over the full mark on the dip stick. Is 5 …

Mar 5, 2004 · 1988 S15 Jimmy "Gypsy" I just picked up an 88 S15 GMC Jimmy "Gypsy" model last week. I have had an 89 S10 Blazer since new, but this "Gypsy" designation was new to me, I have never seen one. What is so special about it. It says "Gypsy" on the rear tail gait and on the interior glovebox. It is a 4x4 262ci motor.

Oct 27, 2024 · Looking over the electrical schematic for an '88 (1988 - Google Drive), the 2 wire (orange & black) glove box harness is fed from the horn circuit (fuse). Why was it piggytailed to the lighter? I have not heard of the glove box switch, or the glove box door 'alignment' being problematic, but it is possible.

Sep 9, 2022 · This is for a 350 CID SBC with a 700R4 transmission in my '88 GMC S15. Parts: Right Exhaust Manifold Part 14031361 Left Exhaust Manifold Part 14033037 Exhaust Manifold Adapter L98 Exhaust Heat Riser Spacer (?) Walker 2” Exhaust Connector 41724 Kaos Motor Sports 2” U J Combo Mandrel Bends...

Jul 24, 2023 · My son just bought his first vehicle and we drive it home. It is a 1988 GMC Jimmy 4x4 2.8L It did feel under powered, but it made the 120 mile journey back. I had no issues starting the vehicle even once we were home including after washing the vehicle to move it around. Exterior was washed...

Mar 2, 2012 · My truck is the 1st Generation, 1988 GMC S15. It has the analog speed, and fuel indicators. The idiot lights are on the columns on left and right of the speed and fuel. *SIGH* If I have to fab it, so be it. It 'works' ok, but it shows its age. Just hope someone might have a few on hand that fit that exact vintage. Some pick-n-pulls may be a ...

Apr 28, 2024 · I have converted by '88 GMC S15 to a 350 ci V8 with a 700R4 Transmission. The Blueprint engine is dyno-ed at 375 HP and 407 Lb-Ft. (although my Sniper FI and CI exhaust system may choke that down a little). I am contemplating buying a 9" Ford rear end with limited slip. What would be a good gear ratio?