slimsoftball Posted February 12, 2004 Report Share Posted February 12, 2004 I have been bouncing this question of a few of the guys, now I will ask everyone. Is the 2K that I would spend on heads going to be worth the minimal gains I will see power wise. Or am I completely wrong about what kind of gains to expect. I am under the impression that the Dynamax long tubes and high flow cats I ordered and a bigger cam than mine can get me close to the same thing. I hope I am wrong because I got money burning a whole in my pocket. Link to comment Share on other sites More sharing options...
zippy Posted February 12, 2004 Report Share Posted February 12, 2004 personally i'd just port the stock one's and go with the supermax headers. it's the exhaust side that's going to need the majority of the work. Link to comment Share on other sites More sharing options...
SilveradoSS04 Posted February 12, 2004 Report Share Posted February 12, 2004 Link to comment Share on other sites More sharing options...
Fun Guy Posted February 12, 2004 Report Share Posted February 12, 2004 personally i'd just port the stock one's and go with the supermax headers. it's the exhaust side that's going to need the majority of the work. Who would do that, and what advantages would that produce? Has anyone done before/after dyno runs with ported stock heads? Link to comment Share on other sites More sharing options...
QWKLS1 Posted February 12, 2004 Report Share Posted February 12, 2004 This is just my 2 cents worth....On my trans am i went from running 12.36@109mph with stock heads and the comp cam that is in it now, changing to TEA stage 1.5 heads I dropped to 11.94@114mph in the same weather conditions and everything. This isnt a huge cam either that had to have heads to run. Its only running .525/.532 lift with 216/220 duration. Link to comment Share on other sites More sharing options...
383ss Posted February 12, 2004 Report Share Posted February 12, 2004 do the cam/headers first then later down the line do the heads. you'll probably get around 25-35rwhp from the cam and another 25-35+ from the heads. depending on cam size and head quality. with a decent cam/head and the rest of the bolt-ons you should push 400-420rwhp. Link to comment Share on other sites More sharing options...
BenKey Posted February 12, 2004 Report Share Posted February 12, 2004 with those mods, number sounds pretty conservative Link to comment Share on other sites More sharing options...
383ss Posted February 12, 2004 Report Share Posted February 12, 2004 oops. I didn't see his current mods Link to comment Share on other sites More sharing options...
zippy Posted February 12, 2004 Report Share Posted February 12, 2004 for the most part, except afr's, all heads that you buy for these engines are factory heads that are re-worked. i do all my own (and some for other people) port work. machining i send out to baker engineering, but everything else i do myself. Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.