92 rs 305, and no clue.
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Newbie
Joined: Oct 2009
Posts: 1
From: kansas
92 rs 305, and no clue.
i know a lot about carb. but have no idea about fuel injection. i have no idea what will work on my tpi 305. i want headers, and a lot to make it have some power. any one have any ideas?
4th Gear Member
Joined: Mar 2006
Posts: 2,430
From: Florida
Well the bad news: Your LO3 305 TBI in its stock form when new had 170 HP/255TQ. After 17 yrs it may have less ,but who knowns without having it dyno'd for a baseline.
More bad news, you can install 1 5/8 headers, new hi-flow cat & 3" mandrel bent exhaust and might gain and I said might 20HP. Nothing else you do with bolt ons will NOT make any big gains.
HP is not cheap and if you go with heads & cam you could make 250 HP, but is it worth it. that is up to you. A standard off the shelf GM 350 will give you more HP/TQ without out breaking the bank.
Do a little more reseach on the subject and then decide.....Just my opinion.
More bad news, you can install 1 5/8 headers, new hi-flow cat & 3" mandrel bent exhaust and might gain and I said might 20HP. Nothing else you do with bolt ons will NOT make any big gains.
HP is not cheap and if you go with heads & cam you could make 250 HP, but is it worth it. that is up to you. A standard off the shelf GM 350 will give you more HP/TQ without out breaking the bank.
Do a little more reseach on the subject and then decide.....Just my opinion.
Last edited by blackz87; Oct 23, 2009 at 07:54 PM.
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