Rear end swap

Tiny
JR1896
  • MEMBER
  • 1994 GMC SONOMA
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 145 MILES
I’m doing a 350 build on my vehicle listed above and I was wondering what’s a good swap on the rear end to hold that much power rather then the stock rear end. I’ve been hearing a 8.8 Ford rear end, but I want more ideas out there.
Wednesday, September 16th, 2020 AT 11:10 AM

3 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Are you asking which differential is a direct bolt in replacement or just one that is strong enough for the 350 conversion?Hope this helps and thanks for using 2CarPros.
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Wednesday, September 16th, 2020 AT 3:06 PM
Tiny
JR1896
  • MEMBER
  • 9 POSTS
One that is strong enough to withstand the 350 conversion.
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Wednesday, September 16th, 2020 AT 3:22 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello again.

Well, pretty much the strongest rear differential out there is the Ford 9 inch. I'm not sure what size rear differential came in the 1991 S10 Cyclone's and GMC Typhoon's but they could survive those turbocharged 400 hp 3.8L V6's. I'll find out more info in the morning when places are open. I've attached a picture below of a place that does v8 swaps and have a few differentials for sale. Quite pricey though and not sure of your budget. Hope this helps and thanks again for using 2CarPros.

Danny-
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Wednesday, September 16th, 2020 AT 5:25 PM

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