trickflow 205 with trex cam?
trickflow 205 with trex cam? will these work fine together bout to buy the heads off a member he says they have a 660 spring lift on them and will be using the trex cam (242/248 - .608/.612 - 110 lsa). do you guys recomend other ones or should these work fine any ideas on hp numbers on a 98 with full bolt ons and 4.30's
thanks
thanks
On The Tree
Joined: Mar 2007
Posts: 137
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From: Austin, Tx
I would base my decision on running those springs depending on how many miles they were used and with how aggressive of a cam. Its good practice to change out your springs every 15000-20000 mile giver or take depending of the aggressiveness of the cam.
I would talk to Patrick G or Predator Z. There was a guy with a stock LS6 with long tubes that used the new EPS lobes. He made 430 through a locked converter and ran 11.2 on drag radials. The cam was small, around 222/226. Just throwing it out there. Regardless good luck on your build.
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TECH Regular
Joined: Jan 2008
Posts: 458
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From: Bellaire, TX
the Trick Flow 205's are great heads. much better than factory cast heads.
you may want to check with Thunder Racing on that Trex cam to see what they say about Piston to Valve clearance.
I wounder how the Trick Flow 205's stand up to the AFR 205's?
you may want to check with Thunder Racing on that Trex cam to see what they say about Piston to Valve clearance.
I wounder how the Trick Flow 205's stand up to the AFR 205's?
if the heads r milled any you will have to flycut! mill them to 59cc use a .040 head gaskets cut the pistons get u a good tune on that think and it will fly and at least 410 gears
I'm not looking for what cam is iN I'm looking for one to put down hp and trex is the one I believe can do it
He is right though, you will have to rev it to the moon. It will be kind of a turd under 4K rpm's. I had a cam like that in a 2800 lb drag car and it was awesome. But it lived at 4K to 7500 rpm's. The converter in that car was a loose 4500. It actually drove great on the road putting it around town.
i want a bit of both since the nearest track is couple hours away for me i want it to haul *** at the track and also be good on the street but i just heard so much good things about the trex that thats the one i decided on going with but wanted to know if the heads with that cam put down good numbers and be a good combo
yeah with good heads you could potentially see 450-470rwhp granted they are clearing okay. Not sure that you will have the tq following too closely though. I basically ran a shorter duration split of a TRex and an easier XE lobe. You probably couldnt tell the difference just from driving it really. The only difference was about 10° more overlap on the TRex giving it a ripe 25°.
Last edited by orangeapeel; Mar 31, 2010 at 01:47 AM.
Yeah, you can say that about any well thought out combo. This however.....
I have seen some stock headed TRex cars lay down a fat 430rwhp on a cool summer morning.
BOTTOM LINE:
You want to take torque to the track, not horsepower from a dyno.