91 s10 t5 transmission - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Chevy nutcase · 10-19-2022, 04:48 PM

I was looking for a suitable replacement to make my 66 c10 a little more driveable. The sm420 works fine but its geared ungodly low. I've only ever used 1st gear once on a steep hill and I feel like I'm pushing it going over 55 or 60 as its running around 2500 -3000 rpms. I saw a few vids on YouTube making the t5 swap and it looks like a good option. Found a guy with a t5 in a 91 s10 2wd that's running and driving for $500. That sounds a bit high but maybe it's fair idk.

**67 twins** · 10-22-2022, 12:17 AM

I'd agree that is a little high. I bought one for $300 that someone had already put new bearings and seals in. I'd say $200 is more reasonable for the run of the mill used T5

Warrens69GMC · 10-22-2022, 12:36 AM

Also you need to see if it is a 2.5, 2.8 or 4.3 t5. They were switching to nv3500 in those years

**chev-obsession** · 10-23-2022, 10:48 PM

I sold 2 mustang v6 t-5’s (priced together) for $350 earlier this spring. They were both cores, so for a running/driving good one… maybe $300-$350?

Chevy nutcase · 10-24-2022, 07:57 AM

So my suspicion was correct. I'm already over the $500 price. Thx guys

10-19-2022, 04:48 PM	#1
Chevy nutcase Registered User Join Date: Mar 2021 Location: Hershey Pennsylvania Posts: 327	91 s10 t5 transmission I was looking for a suitable replacement to make my 66 c10 a little more driveable. The sm420 works fine but its geared ungodly low. I've only ever used 1st gear once on a steep hill and I feel like I'm pushing it going over 55 or 60 as its running around 2500 -3000 rpms. I saw a few vids on YouTube making the t5 swap and it looks like a good option. Found a guy with a t5 in a 91 s10 2wd that's running and driving for $500. That sounds a bit high but maybe it's fair idk.

10-22-2022, 12:17 AM	#2
67 twins Senior Member Join Date: Mar 2019 Location: Herculaneum MO (20 minutes south of St. Louis Posts: 582	Re: 91 s10 t5 transmission I'd agree that is a little high. I bought one for $300 that someone had already put new bearings and seals in. I'd say $200 is more reasonable for the run of the mill used T5 __________________ 67 C10 283 T5 swapped longbed fleetside = wife's daily driver 67 C20 292 (originally a 250)4speed longbed fleetside w/original wooden bed=my project truck 67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD 72 C1500 Sierra Grande 350 TH350 longbed fleetside=wife's fair weather truck Can you tell we are fans of longbed fleetsides & 67s Chris

10-22-2022, 12:36 AM	#3
Warrens69GMC Registered User Join Date: Jan 2003 Location: Safford,AZ Posts: 3,613	Re: 91 s10 t5 transmission Also you need to see if it is a 2.5, 2.8 or 4.3 t5. They were switching to nv3500 in those years

10-23-2022, 10:48 PM	#4
chev-obsession Senior Member Join Date: Jul 2008 Location: kennewick, WA Posts: 1,461	Re: 91 s10 t5 transmission I sold 2 mustang v6 t-5’s (priced together) for $350 earlier this spring. They were both cores, so for a running/driving good one… maybe $300-$350? __________________ 1965 c/10 swb 1969 c/10 lwb

10-24-2022, 07:57 AM	#5
Chevy nutcase Registered User Join Date: Mar 2021 Location: Hershey Pennsylvania Posts: 327	Re: 91 s10 t5 transmission So my suspicion was correct. I'm already over the $500 price. Thx guys



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