'92 GMC Sonoma - S-10 Forum
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'92 GMC Sonoma

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Old 07-15-2011, 03:02 AM   #1
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'92 GMC Sonoma

i have been lurking the forums or some time and now i wanted to share my new project. here is the truck the day i got here (about 2 weeks ago). the plans for her ae 4" lowering kit front and rear, 15" wheels, flat black with flat clear coat, and some sounds. Nothing crazy just want to clean it up. first question i do have is the decals. i want to replace but can't find a place to tell me the type of font the Sonoma lettering is or a place that just sells the gmc decals. i will post pics of the progress. only issue i have found was slight rust on the roof which i fixed earlier tonight.

thanks chris



Old 07-15-2011, 03:04 AM   #2
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Re: '92 GMC Sonoma

oh one more thing what is the difference from the sonoma st model and others. i can't find too much on the st model. hopefully you guys can help me out.
Old 07-15-2011, 03:13 AM   #3
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Re: '92 GMC Sonoma

list the codes from the rpo label in the glovebox


if its a factory package then it will be listed on there and i or someone else can look it up and get details


that should turn out to be a slick looking truck if you can keep it bone stock but get everything cleaned up or replaced etc.,

i like that its a 1991 to 1993 sonoma, very cool loolking and very rare around here where i am, dont know about where you are id love to have one or put sonoma grille things on mine haha

pretty neat

and if not then at least bravada stuff 1991 to 1993

ppl keep scrapping them here complete, and all time, its pretty sad to see, ppl are too greedy for the quick scrap cash..



good luck
Old 07-15-2011, 04:13 AM   #4
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Re: '92 GMC Sonoma

thanks for the tip i'll take a look and let you guys know. there are a lot of nissan and toyota hard bodies and s10's out here but like how it use to be in the 90's. i'm pumped to have gotten this one. got it off of my friend who decided to move to mexico to surf hahaha. he was the only owner.
Old 07-15-2011, 04:14 AM   #5
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Re: '92 GMC Sonoma

has about 170 on the odometer
Old 07-15-2011, 08:05 AM   #6
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Re: '92 GMC Sonoma

the y-pipe is a bit bigger if it's an 4.3. some parts are from the jimmy.
you'll have a bench seat in yours as it's a single cab in it. it was made
in la. there wasn't really an option on these. gmc picked out some and
did some lil things to them, but not much. you'll have a hell of a time
finding the red/black strip along with the sonoma st label. mine is an x
cab. the interior may be an "sls". you probably have the 3:42 posi in it.
you'll more than likely have to go to an auto graphics place and the
stripe combo and badges or labels made up. i was able to get the
stripe along time ago and have used it up, but was never able to
locate tge sonoma st decals/badges, whatever..

sonoma st's are semi rare, but don't have any body work like a gt
or chevy cameo, etc. mine has been damn reliable and i have run
it hard. has 170,000 ^ on it >



it'd be nice if someone besides myself and a couple others
had an st. it gets lonely...
Old 07-15-2011, 03:54 PM   #7
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Re: '92 GMC Sonoma

As simple as those decals are you could have them made by a local decal shop, just a thought.

See if you can find someone local and take it to them I sure they could make them easily.
Old 07-15-2011, 10:40 PM   #8
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Re: '92 GMC Sonoma

well here is anothe st for the fam bam haha. yeah its a 4.3. i will be getting the numbers from the glovebox as fast58chevy mentioned for you guys. I figured going to a sign shop wouldnt have a problem getting something made up. i was just thinking about repainting them but that would be super bootleg haha.
Old 07-15-2011, 10:47 PM   #9
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Re: '92 GMC Sonoma

bg your sonoma is clean. how much is it lowered and what is the wheel and tire set up?
Old 07-16-2011, 02:23 PM   #10
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Re: '92 GMC Sonoma

thanks. 3.5" blocks with a leaf pulled in the back so it's probably 4.5/5" in the
back and 2" drop spindles with 1" coils that have settled to 1.5" to 1.75" in front,
so it's probably 3 or 4". the wheels are ar tt II"s at 15" and the tires are dunlop
sp 60's at 215/75-15 in the rear and 205/75-15 in the front. i don't care for large
sized wheels. it scrapes when i hit a bump or dip on the right side so i'm going to
reduced the tire size to 205/70-15 up front. it rides pretty hard. one feels all the
bumps.

were i to have it to do over again, i'd of left it completely stock. wish i had.

i like your a lot ! only thing i'd do to it is get a fresh black paint job, refresh the
decals and replace the wheels with some early gm rally wheels at 15 with the
short hub caps. that would be a sweet lil ride, just my 0.02.
Old 07-16-2011, 09:45 PM   #11
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Re: '92 GMC Sonoma

are you running 15x7 o 15x6? i have the numbers from the glovebox there are quite a bit, but from what the registration says its a 4.3 fuel injected sts sonoma. right now i'm just waiting for wed to register it. first mission will be painting it. i'll keep you guys posted
Old 07-16-2011, 10:19 PM   #12
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Re: '92 GMC Sonoma

here are the numbers...
AJ1 A52 B32 C5D C60 DC4 D34 D44 E63 GQ1 GU4 G51 JM3
K34 LB4 MD8 MX0 NB2 NQE N40 PC4 P06 QSA R6N SLA SLM
TFE UM6 UP8 U73 VF6 VG8 VP6 VXS V01 V73 XSA X96 YA7
YC1 YD3 YD5 YF5 YSA ZM7 ZSA ZY1 Z88 1SC 1SZ 130 V31
19U 6CF 7CF

if there is anything else that will help let know oh and corrections from last post it is a SLS not STS
Old 07-17-2011, 12:27 AM   #13
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Re: '92 GMC Sonoma

I thought it would be an SLS as that's all that came on the ST's from what
I seen. I've seen more than one at junk yards over the years and if the glove
compartment door was still there, it had the SLS emblem on them. The wheels
are 15x7's. I kinda wish I had gone with 16's, but no big deal. Funny you should
start a thread on this ride. A member with a Jimmy ST which are even more
rare, contacted me for a little bit of info. I'm ALWAYS on the hunt for rides, info
and history on the ST's but it is very hard to find.

Something you might find interesting is the fact you have headrests on your bench
seat. I don't believe the s15/Sonoma single cab or the S10 trucks with a bench seat
came with them. Maybe the s10 cameo might have and of course the Sonoma GT's
Sy's and Ty's had buckets, etc. You'll also notice on all ST's that the bumpers are the
same color as the trucks body. No ST ever came with a chrome bumper in the front
or the rear.

Have you run the VIN yet to see what options came with your ride and how rare
or not it is ? If not, go here and type in your VIN. If there is a history, you'll see
it.

http://www.compnine.com/vid.php
Old 07-17-2011, 01:23 AM   #14
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Re: '92 GMC Sonoma

Kinda happy right now. Been looking for one of these for a long time, just
couldn't locate one until tonight. Now at least I can see what parts with numbers
are on my old ride. No doubt they are obsolete, but at least I'll have a better
idea of what is what or was...Covers the Sy's, the Ty's, the GTs' and the ST's.

That'll work.

Old 07-17-2011, 02:41 AM   #15
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Re: '92 GMC Sonoma

that catalog is a find for sure. I have 2 little honda motorcycles i'm working on also and it always seems that parts or history on my projects are a little harder than others. that isn't by choice either.
Old 07-17-2011, 02:42 AM   #16
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Re: '92 GMC Sonoma

the bench seats do have head rest haha. thanks for the info i'm excited to see someone that is pumped on this little ride. you will definitely be hearing some questions from me as the build goes on. i'll run the vin sometime this weekend. thanks for the tips.
Old 07-17-2011, 02:43 AM   #17
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Re: '92 GMC Sonoma

reason i am deciding to go with 15's is because tires are a lot easier to come by and cheaper hahahaha
Old 07-27-2011, 01:05 AM   #18
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Re: '92 GMC Sonoma

so sunday i gave the truck a tune up. changed spark plugs, plug wires and oil. will be picking up a radiator next week. But i noticed that inside my passengers feet vent there was a leak. i think it is the ac but i haven't used it at all. the liquid that is leaking looks like coolant. slight green tint water. would you guys know anything that can cause this.


this is where it leaks.

Old 07-27-2011, 01:48 AM   #19
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Re: '92 GMC Sonoma

Oh boy..You have a heater core leaking. It can be a pain in the ass to replace, but
if you follow this how to, it will go much easier..Truck looks good. >

http://www.sytyarchives.com/howto/vi...imate_controls

Click the pics. most will blow up.
Old 07-27-2011, 03:27 PM   #20
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Re: '92 GMC Sonoma

Yeah, heater core is not that bad really. Just a lot of little bolts to take out and if you loosen the passenger side of the dash it makes it easier.

That thing shined up nicely.
Old 07-30-2011, 03:03 AM   #21
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Re: '92 GMC Sonoma

so i took care of the leak... i just bypassed the heater core its hot out here in long beach and who needs a heater where it doesn't get below 70. i'll post pics tomorrow but since i changed the distributor cap and wires it revs really really high. will be looking into why tomorrow at a friends house hopefully it isn't anything crazy.
Old 07-30-2011, 10:42 AM   #22
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Re: '92 GMC Sonoma

Make sure you plugged in all your vacuum lines. I was chasing a high idle for a while, and oddly enough, when I unplugged the vacuum advance, it went away. Who knew? I bet it hurts upper end performance, but my old 2.8 stumbles before you get any revs on it anyway.
Old 07-30-2011, 12:14 PM   #23
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Re: '92 GMC Sonoma

Sometimes one can dislodge the vacuum hose from the one port
next to the TBI on the manifold that sends manifold vacuum to
support the EGR, the cruise control and the vacuum reservoir ball.
There is a small vacuum devise back by the dist that splits vacuum
to the cruise control and then to the reservoir ball and the vacuum
line/lines can become dislodged there. It definitely sounds like a
vacuum line came loose somewhere. May even be at the EGR itself.

By the way, mine revs really high when I first start it up and
continues to do so until the o2 and the engine gets warmed up.
This was GM's idea of cutting down emissions, but high idling
so not only could the o2 warm up, the heat from the exhaust
would go up through the snorkel and send hot air to help heat
the fuel mixture so it would atomize easier cutting down on
extensive emissions due to the fuel"drops"..It's programmed
into the ECM's parms and program. Only way to get rid of it
is to get have someone reprogram the ECM which consists of
a chip and other things..

Quote:
out here in long beach and who needs a heater where it doesn't get below 70
What a small world. I'm on the other side of San Berdoo
heading towards the lower deserts..
Old 08-10-2011, 10:21 AM   #24
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Re: '92 GMC Sonoma

so i have to get some new tires and figured i would just get some wheels and tires. I'm not going to be able to lower for awhile due to funds and i kind of want a good ride for a little bit. right now since the shocks are gone and the tires are crap i feel like the truck is lowered already.
Old 08-10-2011, 10:23 AM   #25
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Re: '92 GMC Sonoma

question is and i have done research what would be the best tire size. ill be running 15x8 with 4.25 backspacing. normally what looks good on that wheel is a 235-60-15 but i want some height on the tire. problem with these trucks is there isn't much width under the wheel well and a lot of height. any suggestions.
Old 08-10-2011, 11:08 AM   #26
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Re: '92 GMC Sonoma

One of my Dimes has 235 70s on the back and 215 60s on the front on
7 X 15 wide factory alloys. It looks great. ( the dark blue Dime)

The rear wells fill out with the 235s and the front is a little lower with the 215s. Too bad I can't rotate them...
Old 08-10-2011, 01:04 PM   #27
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Re: '92 GMC Sonoma

they both look great. I've been thinking about a staggered set up but i do want to be able to rotate them
Old 08-10-2011, 01:26 PM   #28
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Re: '92 GMC Sonoma

mad max for your 15x7s are they running out past the fender?
Old 08-29-2011, 01:19 PM   #29
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Re: '92 GMC Sonoma

so no crazy updates just changed the serpitine belt got my measurements for wheels and tires (decided to go with 17x8's all the way around) now i have a whining noise which i believe is coming from the power steering. I checked the fluid and its good any suggestions.
Old 10-21-2011, 06:49 PM   #30
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Re: '92 GMC Sonoma

its been awhile since i have done anything with the truck due to work but now i'm ready to get some work done. I have changed the whole game plan only because i got another vehicle and want my sonoma to be the way i want it.
Old 10-21-2011, 06:52 PM   #31
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Re: '92 GMC Sonoma

my plan is this 5 front and 6 rear drop love the ground hahaha 15x8 with a 195-60-15 (the tire size might change depending on how much room i have) now this is were your guys help come in. i'm looking to have this thing handle as best as possible i know the ride will be rough and i'm not worried about that. but i need some suggestions on the best shocks and suspension parts that would help me handle the road and corners. any suggestions would be great. also i'm working on the audio stuff right now. i'll post pics
Old 10-22-2011, 08:07 PM   #32
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Re: '92 GMC Sonoma

Mine is lowered with 4" blocks in the back, and 3" springs in the front........and I'm running 235/60/15's on the back........195/65/15's on the front. Plenty of room in the wheel wells......maybe a bit too much in the front; but I'll just buy a slightly taller tire when the fronts are shot.

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