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FAST intake and boost.

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Old 02-15-2010, 06:31 PM
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Default FAST intake and boost.

how much boost can a FAST intake take? would that be a good choice orr is there something better? i was looking at wilson intakes but theyre a little up there. thanks..
Old 02-15-2010, 06:47 PM
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I would assume they could handle at least 8 psi.... how much are you planning on
Old 02-15-2010, 06:52 PM
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waaayyyy more than 8psi. somewhere in the 20s. might have to save and just get a billet intake seems like from reading around. wilson makes a nice one but its 3200.
Old 02-15-2010, 06:54 PM
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I've seen it to 12PSI
Old 02-15-2010, 08:45 PM
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Originally Posted by gotboostls2
waaayyyy more than 8psi. somewhere in the 20s. might have to save and just get a billet intake seems like from reading around. wilson makes a nice one but its 3200.


yikes... sounds sketchy
Old 02-15-2010, 08:54 PM
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Holy **** 3200 for a damn intake? And I thought 600 was steep
Old 02-15-2010, 08:56 PM
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What kind of build are you looking at? Seems like the turbo guys prefer the ls6 intake over the fast.
Old 02-15-2010, 11:05 PM
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well i was thinking of running a twin turbo setup. not really exactly sure on what size. but was leaning towards twin 88mm
Old 02-15-2010, 11:07 PM
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Originally Posted by LS1Tuner_06
Holy **** 3200 for a damn intake? And I thought 600 was steep
yea its a lot. im not about to pay that haha. sounded good though ha. im sure theres something thats good thats not real expensive like that.
Old 02-15-2010, 11:09 PM
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That's really big turbos. What motor/transmission?
Old 02-15-2010, 11:27 PM
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Originally Posted by jdiddyws6
That's really big turbos. What motor/transmission?
im barely starting this build. might get an ls2 block. or just wait and save to get the lsx. tranny will be long down the road.
Old 02-15-2010, 11:30 PM
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An ls2 block isn't going to hold alot from twin 88's, and it's going to take some serious cubes to make effective use of twin 88's, which if used correctly, would certainly assassinate the rest of the driveline.
Old 02-15-2010, 11:31 PM
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its not really going to be a ''street'' car.
Old 02-15-2010, 11:33 PM
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how about the edelbrock pro flow xt? gonna need a different hoof though.
Old 02-15-2010, 11:35 PM
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Originally Posted by gotboostls2
its not really going to be a ''street'' car.
Then it's going to need alot more than an ls2 block and twin 88's to survive.
Old 02-15-2010, 11:51 PM
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I read somewhere that the new 102mm FASTs are good to 67psi. I have one, but no boost.

Edit: Googled, LSXR boost. Came up with this....

"The LSXR™ is constructed from a proprietary advanced polymer material that has been burst tested to withstand 67 psi of boost."

http://www.cpgnation.com/forum/fast-...-ls7-2504.html
Old 02-16-2010, 08:53 AM
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Originally Posted by jdiddyws6
Then it's going to need alot more than an ls2 block and twin 88's to survive.
yea i know. its going to be an lsx block..all the internals will be changed. going to be done right. so its going to take a little longer. and im not going to put it in a class or anything. just out to have fun.
Old 02-16-2010, 09:14 AM
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Ok, First off, this post would be better suited fpr the FI (Forced Induction) Section as this is a external part, the situation you maybe putting it in would require more "expert" advice.

When I was researching putting a D-1 ProCharger on my car which had a 90/90 Fast Set up. I saw people having intake failures north of 20 PSI. Since my car with a stock motor was not going to see that, I did not see the issue.

But beyond what I had remembered from my research. I do encourage you to search within that section first, and if a post does not match your need. Then make a new one.
Old 02-16-2010, 09:50 AM
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20# on a FAST?!?! Not happening, well maybe for a few runs?
You are better off doing a carb intake, elbow, and TB at that boost level. Hell if you have the money do a sheet metal intake!
Old 02-16-2010, 07:25 PM
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I don't think it really picks up anything with boost and that is why most of the F/I guys running plastic go with a LS6. The three piece design is definitely more leak prone too.


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