Tested Holley Hi-Ram LS3 intake vs Stock LS3, 45 rwhp gain on stock LS3 heads

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12-26-2011 | 05:46 PM

#21

a98ws6

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From: KCMO

Ive read cathedral pory version should be out by late jan.

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12-27-2011 | 01:40 AM

#22

FlashWS6

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From: Houston tx

if only this would clear a vette's hood!

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01-23-2012 | 11:33 AM

#23

a98ws6

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From: KCMO

Cal Speed, did you ever test this on the low rpm lock up car you were going to test?

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01-27-2012 | 11:55 AM

#24

NemeSS

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From: Houston,TX

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03-02-2012 | 06:29 PM

#25

tonyturbo42

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From: Hollywood / Hayward, Ca

Quote:

Originally Posted by NemeSS

Any word of cathedral port versions eventually?

http://bangshift.com/blog/holley-unv...rt-hi-ram.html

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08-22-2012 | 10:17 PM

#26

GIGAPUNK

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From: Trabuco Canyon, CA

Did that lock-up'd trans test below 5000 rpm ever happen?

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06-02-2015 | 07:54 PM

#27

posenheimer

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From: Farmington, NM

Looks like symbol luxury performance is claiming the same exact graph is theirs

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06-18-2015 | 09:18 AM

#28

1sick_eg

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From: Leesburg, Virginia

Nice catch. Did you happen to call them out? I've seen the inside of those intakes in person. The welds are absolutely horrid. The outside looks OK, but inside, nothing but slag. Not sure how you even do that tig welding.

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07-04-2015 | 04:10 AM

#29

DSRE

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From: Tigard, Oregon

Looks like you are having valve control issues after 6,000rpm that should not dive that fast, definitely something wrong, get that sorted and it with make a lot more power with both intakes fwiw

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