Motor Rebuild... Going bigger??

Ozymandias · 08-20-2005, 07:33 PM

So, i've got a 95 Chevy Extended Cab Z71... 170K miles, new Jasper Rebuilt Tranny... My babby is getting a little weak, and i do alot of towing. I was thinking of rebuilding/building the motor. I was thinking about going .40 over with the rebuild. adding a cam, and new intake, and heads... anyone have a good combination they have tried? I'm looking for gettin my max horses by about 4K RPMs.. and of course as much torque as poosible at low RPMs. I would like to keep the stock computer (already have a chip), and TBI, but would go to after market on the TBI if i could find one... any input would be great...

932500 · 09-10-2005, 10:32 PM

Only bore it as much as needed for the rebuild. over boring only limites the life of the motor. It can only be bored out so much. My recommendation is a set of L31 vortec heads and a torgue producing cam. You will be amazed at what those heads will do ofr you with a good cam, and a matched exhaust.

chevyguy · 09-22-2005, 03:04 PM

I installed L31 heads on my S10 project with some light machine work on the intake and wow what a difference. It likes the spray too. I traded all my old 202 heads for as many L31 heads that I could find. Good advice

08-20-2005, 07:33 PM	#1
Ozymandias Junior Member Join Date: Aug 2005 Location: TN Posts: 3	Motor Rebuild... Going bigger?? So, i've got a 95 Chevy Extended Cab Z71... 170K miles, new Jasper Rebuilt Tranny... My babby is getting a little weak, and i do alot of towing. I was thinking of rebuilding/building the motor. I was thinking about going .40 over with the rebuild. adding a cam, and new intake, and heads... anyone have a good combination they have tried? I'm looking for gettin my max horses by about 4K RPMs.. and of course as much torque as poosible at low RPMs. I would like to keep the stock computer (already have a chip), and TBI, but would go to after market on the TBI if i could find one... any input would be great...

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09-10-2005, 10:32 PM	#2
932500 Banned Join Date: Jul 2005 Location: Oregon Posts: 51	Only bore it as much as needed for the rebuild. over boring only limites the life of the motor. It can only be bored out so much. My recommendation is a set of L31 vortec heads and a torgue producing cam. You will be amazed at what those heads will do ofr you with a good cam, and a matched exhaust.

09-22-2005, 03:04 PM	#3
chevyguy Senior Member Join Date: Sep 2005 Location: ALABAMA Posts: 3,160	I installed L31 heads on my S10 project with some light machine work on the intake and wow what a difference. It likes the spray too. I traded all my old 202 heads for as many L31 heads that I could find. Good advice