I HAVE A 1991 S10 WITH A 305 IN IT

  • Tiny
  • Anonymous
  • 1991 Chevrolet S-10

I have a 1991 S10 with a 305 in it. The truck had a four cyl. In it when it was made my rpm are to high. I think it has 410 in the rearend. I have a 350 trans (3 speed auto) if I change my wheel size to 20 inch. Will it help me out a lot also im going to put 373 posi. That I already have. Thank you.

Friday, November 23rd, 2012 AT 9:22 PM

1 Reply

  • Tiny
  • Wrenchtech
  • Expert
  • 20,273 posts

If you put the 3.73 in, you shouldn't have to do anything with the tires.

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Friday, November 23rd, 2012 AT 9:29 PM

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