heads on a trex...
heads on a trex... i was gonna go with some ls6 ported heads or something... as long as i dont get them milled and use the stock gaskets would everything be ok?! wat othr heads would u guys recommed i know the cars out there with the trex and heads are makin some sick numbers so post it up...
Get TSP PRC Heads my friend Caprice SS Ran 11.2 with that setup 4 doors LS1
Another friend have them with MS4 The car pulls like friggen train.
Those heads give friend of mine 39rwhp and 29rwtq just from heads swap no BS Here.
check this
http://www.youtube.com/watch?v=tYN46ZXIUYY
Another friend have them with MS4 The car pulls like friggen train.
Those heads give friend of mine 39rwhp and 29rwtq just from heads swap no BS Here.
check this
http://www.youtube.com/watch?v=tYN46ZXIUYY
ya i knw i have to go with the ls6/ls2 how much should i get them ported. and will my valves from my 853's work on them becuase i already have the patriot extreme springs with everything...
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the prc stage 1's are fairly inexpensive for what they flow and you might as well do a ms3 or ms4 while your there. I made 473rwhp with a sky high idc at 117%. so they make good power. just my 2 pennies.
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Stock 317's should work, but you'll lose a lot of compression, not a good idea with that cam. You would give up a lot of low-end throttle response.
AFR 205 heads have a greater valve drop, even milled to 59cc, than stock 241 heads. Louis from LG Motorsports has posted this on more than one occasion in reference to installing G5X3/4 cams with heads. If you could swing a set of those, and run some .040 gaskets, you should be able to squeak by (but still check!!!) PTV clearance. If cutting is required, it will be a great deal less than a stock casting would require, milled to the same cc's.
AFR 205 heads have a greater valve drop, even milled to 59cc, than stock 241 heads. Louis from LG Motorsports has posted this on more than one occasion in reference to installing G5X3/4 cams with heads. If you could swing a set of those, and run some .040 gaskets, you should be able to squeak by (but still check!!!) PTV clearance. If cutting is required, it will be a great deal less than a stock casting would require, milled to the same cc's.
The PRC Head are very cheap and you can get them without the Springs man believe me you wont be sorry buying those $1049 Ported and with comptition CNC Valve jop. 
Good luck and like been said before those 317 are not worth the heads swap.
Good luck and like been said before those 317 are not worth the heads swap.
i cant afford to go with new heads from a sponser with a port job cnc that and this, for now im buyin stock heads.
i e ls6, ls2 etc etc.
wat is with these 317's? will they bolt on how are they with a cam only setup cus i knw alot of people are runninght them on FI setups
i e ls6, ls2 etc etc.
wat is with these 317's? will they bolt on how are they with a cam only setup cus i knw alot of people are runninght them on FI setups
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Originally Posted by LightEmUpLs1
i cant afford to go with new heads from a sponser with a port job cnc that and this, for now im buyin stock heads.
i e ls6, ls2 etc etc.
wat is with these 317's? will they bolt on how are they with a cam only setup cus i knw alot of people are runninght them on FI setups
i e ls6, ls2 etc etc.
wat is with these 317's? will they bolt on how are they with a cam only setup cus i knw alot of people are runninght them on FI setups
stick with LS6/LS2 243 casting.
Originally Posted by PREDATOR-Z
317 are 72cc (too big)
stick with LS6/LS2 243 casting.
stick with LS6/LS2 243 casting.
should i not even mess with going with a bigger gasket to clear the PTV w/317's...'
now with the 243's how much for a good port job, down the road?
Originally Posted by venom ws7
Get TSP PRC Heads my friend Caprice SS Ran 11.2 with that setup 4 doors LS1
Another friend have them with MS4 The car pulls like friggen train.
Those heads give friend of mine 39rwhp and 29rwtq just from heads swap no BS Here.
check this
http://www.youtube.com/watch?v=tYN46ZXIUYY
Another friend have them with MS4 The car pulls like friggen train.
Those heads give friend of mine 39rwhp and 29rwtq just from heads swap no BS Here.
check this
http://www.youtube.com/watch?v=tYN46ZXIUYY
X2 to the PRC heads. you'll be happy with the stage 2.5 heads. I have been running 11.2's N/A all day foot braking the car and i also have a TREX cam.
Originally Posted by Raven02TA
X2 to the PRC heads. you'll be happy with the stage 2.5 heads. I have been running 11.2's N/A all day foot braking the car and i also have a TREX cam.
that was launching at 3800 RPM on the foot brake. forged internals/trex cam/PRC stage 2.5 heads/Neal Chance 4000 stall/TH400 (now with a brake)/4.11 gears/lot of suspension work.
Originally Posted by Raven02TA
that was launching at 3800 RPM on the foot brake. forged internals/trex cam/PRC stage 2.5 heads/Neal Chance 4000 stall/TH400 (now with a brake)/4.11 gears/lot of suspension work.