What is the best intake manifold for a high hp boosted aplication
#21
8 Second Club
iTrader: (4)
IMO the power per dollar invested just isn't there with aftermarket intakes and low RPM turbo setups.
We had a local test 3 of the aftermarket LSX manifolds back to back at our track in one night. (NOS327) He did a write up on YellowBullet.
Ported FAST92, an out of the box ProFlo XT, and a lightly ported Victor Jr (EFI) both with and without cast 90deg elbow.
On his NA 6.0 there was less than 1mph difference in the three. I believe the Fast came out on top... barely. Wish he had some OEM intakes to try that night too...
http://www.yellowbullet.com/forum/sh...d.php?t=604281
We had a local test 3 of the aftermarket LSX manifolds back to back at our track in one night. (NOS327) He did a write up on YellowBullet.
Ported FAST92, an out of the box ProFlo XT, and a lightly ported Victor Jr (EFI) both with and without cast 90deg elbow.
On his NA 6.0 there was less than 1mph difference in the three. I believe the Fast came out on top... barely. Wish he had some OEM intakes to try that night too...
http://www.yellowbullet.com/forum/sh...d.php?t=604281
Last edited by Forcefed86; 12-31-2013 at 02:55 PM.
#22
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I'd kinda like to see if there is some power differences between a stock intake and aftermarket on boost applications. I'm thinking there's not 2 cents worth of difference. Id kinda like to go with the holley hi ram on my nova but after seeing the way stock48 nova runs i'm gonna stick with my free truck intake lol ! For now
#23
TECH Senior Member
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you ask two different questions.
answer to post title - cnc /sheet metal like this
then you ask for a drop in off the shelf intake of which many would fit the bill. For your application any changes would be negligible compared to the bang/buck of just turning up the boost.
answer to post title - cnc /sheet metal like this
then you ask for a drop in off the shelf intake of which many would fit the bill. For your application any changes would be negligible compared to the bang/buck of just turning up the boost.
Last edited by MIGHTYMOUSE; 01-02-2014 at 10:52 AM.
#27
On The Tree
we made 1000 with a stock early truck intake & T/B, new engine will have L92 heads and the newer truck intake w/102 T/B see how that works...on paper about 150-200 gain...
#29
8 Second Club
iTrader: (16)
IMO the power per dollar invested just isn't there with aftermarket intakes and low RPM turbo setups.
We had a local test 3 of the aftermarket LSX manifolds back to back at our track in one night. (NOS327) He did a write up on YellowBullet.
Ported FAST92, an out of the box ProFlo XT, and a lightly ported Victor Jr (EFI) both with and without cast 90deg elbow.
On his NA 6.0 there was less than 1mph difference in the three. I believe the Fast came out on top... barely. Wish he had some OEM intakes to try that night too...
http://www.yellowbullet.com/forum/sh...d.php?t=604281
We had a local test 3 of the aftermarket LSX manifolds back to back at our track in one night. (NOS327) He did a write up on YellowBullet.
Ported FAST92, an out of the box ProFlo XT, and a lightly ported Victor Jr (EFI) both with and without cast 90deg elbow.
On his NA 6.0 there was less than 1mph difference in the three. I believe the Fast came out on top... barely. Wish he had some OEM intakes to try that night too...
http://www.yellowbullet.com/forum/sh...d.php?t=604281
you just cant do a 1:1 comparison with intakes....all 3 of those require a different camshaft with different valve events...
so your FAST intake coming out on top, just shows you had the right cam for the FAST..that is all your comparison shows.
#36
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Take a stock LQ4 with a 6500 rev limit. Then pick whatever cam you think is matched to a FAST intake. Then run the other two intakes. I don’t believe there is going to be a massive power difference between any of them
#37
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We aren’t talking about all out race motors reving to the moon. IMO The comparison shows that on a moderate build, aftermarket intakes aren't going to make a huge difference in power. Not worth the 1000+ they cost. When you can pretzel the rods on an OEM intake.
Take a stock LQ4 with a 6500 rev limit. Then pick whatever cam you think is matched to a FAST intake. Then run the other two intakes. I don’t believe there is going to be a massive power difference between any of them
Take a stock LQ4 with a 6500 rev limit. Then pick whatever cam you think is matched to a FAST intake. Then run the other two intakes. I don’t believe there is going to be a massive power difference between any of them
#38
TECH Fanatic
iTrader: (7)
Maybe we should ask the OP for him to define high hp applications.
Cause from the evidence that has been presented unless you are north of 1000 a stock intake is just fine in a boosted application. Just because it costs big $$$ and it does not look stock does not mean you NEED it. I am happy to support vendors but if I can do it my self, learn while doing so, and save bux for needed parts that is my process.
Cause from the evidence that has been presented unless you are north of 1000 a stock intake is just fine in a boosted application. Just because it costs big $$$ and it does not look stock does not mean you NEED it. I am happy to support vendors but if I can do it my self, learn while doing so, and save bux for needed parts that is my process.
#39
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I quote sound engineer in post #4 with reference to a 98 computer being sufficient and I think that philosophy applies here too.
https://ls1tech.com/forums/pcm-diagn...-too-slow.html
Lots of times, stock parts are just fine in lots of applications.
https://ls1tech.com/forums/pcm-diagn...-too-slow.html
Lots of times, stock parts are just fine in lots of applications.
Last edited by aknovaman; 01-03-2014 at 05:17 PM.