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looking to upgrade my intake on 02 trans am

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Old Aug 29, 2010 | 04:47 PM
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Default looking to upgrade my intake on 02 trans am

like the title says i want to get a new intake im making 407 whp now with just cam and headers what intake can i get that will make nice hp n will bolt right on to the stock fuel rail i was looking at the 102mm butdont know if it is a direct bolt on any help would be great
thanks
and if anyone has any good bolt ons that will help make hp that would be great the car has slp exhust,cam,headers, thats bout it
thanks
again
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Old Aug 30, 2010 | 02:34 PM
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The only intake I would recommend spending money on would be the FAST setup. Unfortunately it does not fit with the stock fuel rails. IMO your money is better spent on a set of heads at this point. You will see a much better power pick up for your money with a set of ported heads of some kind.
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Old Aug 30, 2010 | 05:44 PM
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What kind of heads would be good n what kind of power would i be looking at here n what kind of price
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Old Aug 30, 2010 | 07:27 PM
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if you are on a budget then ls6 stg 2.5s are a good choice..they worked for my budget build..
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Old Aug 30, 2010 | 07:38 PM
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the ls6 intake is good for 450 rwhp.port and polish you TB,and get a under drive crank pulley.look at some TSP heads,you will need bigger injectors then.
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Old Aug 31, 2010 | 12:27 PM
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yes getting heads will be more cost effective than an intake. I did a budget build with 2.5 heads and love them. I make great power and have no issues.
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Old Aug 31, 2010 | 06:41 PM
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ok thanks for the feed back
ok so how much hp can i see come from the heads vs the intake
will the underdrive pulley mess with cooling or charging
where is the best place to get the set of heads n can i do the porting myself if so could i get a link if their is any
thanks a again guys this site helps alot
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Old Aug 31, 2010 | 06:53 PM
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ok guys i have a buddy who is going to give me a good price on a set of stock ls2 heads i mean good like 150.00!!! i was thinking i can port them would this b a good idea n has anyone done this so i can get an idea of a hp range if not no big deal just trying to get my hp up cause my buddy is getting a 402 n this car i just would like to keep up hahaha
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Old Sep 1, 2010 | 08:43 AM
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hard to say how much HP. It just depends on your cam really. how they work together and all
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Old Sep 1, 2010 | 09:21 AM
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ok well if this would help any this is the cam size
duration .236 .242
lift .617 .622
lobe separation 112.0
407.04 whp
thanks guys
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Old Sep 1, 2010 | 10:15 AM
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With that size cam I would stick with stock valves to maintain good piston to valve clearance. We have done a lot of porting on LS6/LS2 heads, and on our Stage 1 port we have been able to consistantly pick up anywhere between 25-35rwhp over a stock LS1 head.
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Old Sep 1, 2010 | 11:36 AM
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ok thanks thats better then i thought
what do u think it would cost to do the porting i would do it but i would like to know it is right ifu know what i mean
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