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Which first, ported heads or fast 90/90

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Old 04-01-2008, 08:35 PM
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Default Which first, ported heads or fast 90/90

I have an 01 Z06 with stock LS6 intake and stock LS6 heads. It seems that the price of some CNC ported 243's is roughly the same price or a little more than a FAST 90/90 setup. Any reason to do one before the other, I can't afford to do both at once. The other mods are in my signature.

Mark
Old 04-01-2008, 08:46 PM
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What cam do you have?


I'd say heads first you'll get more HP and TQ outta nice heads then a 90 setup
Old 04-01-2008, 08:53 PM
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I have the MTI X1 cam
Old 04-01-2008, 08:55 PM
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Then i'd say get heads

I'm having trouble picking what ones.

Dunno if i should get Texas speed heads or save anuther year and get AFRs
Old 04-01-2008, 08:57 PM
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I'm looking at Patriot Stage II 243's with 59cc
Old 04-01-2008, 09:00 PM
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How much are they these days?


Looking to spend under 1250
Old 04-01-2008, 09:05 PM
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id definitely go with heads!! you already got a LS6 intake..
Old 04-01-2008, 09:06 PM
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Originally Posted by kingsey
How much are they these days?


Looking to spend under 1250
I think $1295 with dual springs and titanium retainers.
Old 04-01-2008, 09:06 PM
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Shipped?
Old 04-01-2008, 10:06 PM
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i'd say heads.
Old 04-01-2008, 10:20 PM
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Heads for sure.

Check this thread if you can go with these heads

https://ls1tech.com/forums/showthrea...ghlight=mti+x1
Old 04-01-2008, 10:44 PM
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should of got in in the group purchase of teh livernois heads
Old 04-02-2008, 07:16 AM
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i say heads also. but other things like gaskets and stuff adds up when installing heads and if you aren't mechanically inclined labor will be up there as well. the intake swap is very simple and don't take no time even for a novice, unfortunately you will probably only pick up around 20 rwhp with a ported intake and that will be at peak, a good set of heads with the right scr/dcr will pick you up probably around 40 rw or so .
Old 04-02-2008, 08:20 AM
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heads first
Old 04-02-2008, 08:28 AM
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Both, lol, get the intaked ported to the heads.

Either way you will gain, but on average you should gain better with the heads.
Old 04-02-2008, 08:48 AM
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I would say port first, but that's just my .02

I'm kinda biased against the FAST 90, just b/c of it's cost. I know there are considerable gains, but i still can't justify the price for just a manifold, i dunno. Plus i still think you'll net more from porting.
Old 04-02-2008, 09:33 AM
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Alright heads first. Now I'm thinking of just waiting till I can do some TFS heads, I don't want to do it twice.
Old 04-02-2008, 10:11 AM
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Originally Posted by VIPERBLUELX
Alright heads first. Now I'm thinking of just waiting till I can do some TFS heads, I don't want to do it twice.
Did you talk to a local guy with a black Z06 that has some TFS for sale yet or has he sold them already?
Old 04-02-2008, 10:15 AM
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Didn't know anything about it? Stevie or Robert?
Old 04-02-2008, 10:18 AM
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Originally Posted by VIPERBLUELX
Didn't know anything about it? Stevie or Robert?
Stevie, I forgot about Robert's Z. He sells and buys so many of them.

Stevie mentioned it to you on the local board when you posted about your cam.



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