Full Race Manifold on Evogreen IX - Yes or No?
Oct 25, 2007, 04:01 PM
#31
I don't understand this porting of the stock manifold being a better solution over headers. The purpose of the equal length headers is to isolate exhaust gases into seperate pulses from the exhaust valves. Each runner will get it's own self-contained exhaust pulse which, under extreme pressure, will direct flow to the turbine housing in a non-turbulent fashion which should cause faster spoolup and good flow. There is little chance that the exhaust gases would collide with each other and back up into the head with this manifold. The 'log' manifold can, which would play havoc with the efficiency of the motor. Porting the 'log' doesn't take this problem away - it only causes better flow, but the flow is turbulent as opposed to directed like the headers would be.
The stock evo mani is a very well designed twin scroll manifold. The full race is very well designed manifold as well. But on the evo it is only good for 6whp. Not worth the 1k price if you ask me. especially since the tubular manifolds add so much heat to the engine compartment.
im sure he could do a good job portin it, then u can have them coated by one of those rally guy's u know. i want the full race mani as well, but not sure if it's gonna give me more power, or more lagA tubular header, no matter how great the welding, will eventually crack, and need to be re-welded. no problem if youre on a race team...maybe a problem if youre sponsered by your pocketbook. cost to benefit fo rth estocker outweighs the tubular mani... wait to get a 35r...then buy the manifold. 
Oct 25, 2007, 04:56 PM
#33
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I guess it's the whole "You get what you pay for" philosophy. Megan tubular headers (around $200) are the ones I see cracking all the time. Some guys figure if it cracks in less than a year, the company replaces it with a brand new one under warranty. I've only heard of one high quality AMS tubular ever cracking. All depends on how it was taken care of too.
After looking a little more at the full race manifold, I think it's a quality product. I couldn't find any search results of it letting anyone down. Didn't mean to judge too soon, but I guess I'm always a little bit paranoid of parts I haven't seen installed yet. Little expensive? yeah, but if it does the job everyday without a problem, who cares. You'll spend more in the long run if you bought a cheaper product (::cough:: megan) and damaged something.
This will be a brand I would consider when/if I do a 20G-LT.
After looking a little more at the full race manifold, I think it's a quality product.
I couldn't find any search results of it letting anyone down. Didn't mean to judge too soon, but I guess I'm always a little bit paranoid of parts I haven't seen installed yet. Little expensive? yeah, but if it does the job everyday without a problem, who cares. You'll spend more in the long run if you bought a cheaper product (::cough:: megan) and damaged something.This will be a brand I would consider when/if I do a 20G-LT.
Oct 25, 2007, 05:34 PM
#34
I cant wait for one of your twin scroll manifolds to be swapped in to a flying maxed out setup and we find it looses hp like good tuners have been saying for 40 years.
Oct 25, 2007, 07:26 PM
#37
why is the lower power number on the full-race-geoff dyno chart so smooth & damped?
i have to believe that a after market header will make more power than a stock mani that's ported on a fp-grn if everything else is in place to allow the entire aspect of the engine/turbo to breath, including the tune......i said i beleive, but i will find out in the next month or 2 if the megan header is worth the hassle or not, with my own test.....
i have to believe that a after market header will make more power than a stock mani that's ported on a fp-grn if everything else is in place to allow the entire aspect of the engine/turbo to breath, including the tune......i said i beleive, but i will find out in the next month or 2 if the megan header is worth the hassle or not, with my own test.....
Oct 25, 2007, 09:37 PM
#38
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I have a hard time readingthis graph, but 25whp is ridiculous. The smoothing looks perfect on one pull and crazy on another.
I would love to see back to back testing done. Any tuners out there willing to do this that has access to a FR manifold and BR ported stocker?
Anyone in the MD/PA area up for a back to back testing? I have a BR ported stocker in my garage. Maybe we can talk Chad up at CBRD to do some "free testing" LOL.
jason
I would love to see back to back testing done. Any tuners out there willing to do this that has access to a FR manifold and BR ported stocker?
Anyone in the MD/PA area up for a back to back testing? I have a BR ported stocker in my garage. Maybe we can talk Chad up at CBRD to do some "free testing" LOL.
jason
Last edited by Cali2MDevo8; Oct 25, 2007 at 09:50 PM.
Oct 25, 2007, 11:19 PM
#40
Snow Performance Meth kit
FP GREEN
Full Race Manifold
Hallman MBC
GSC 272's
ARP Head studs
Helix Intercooler pipes
Turbo XS FMIC
Helix 3" TBE w/ titek O2 Housing
Walbro FP
PTE 780cc Injectors
My numbers on the dyno were 387hp 385tq on 91 octane & 100% methanol. I just ran this past weekend a best of 11.65@116mph with a 1.72 60'ft. My downside is I have an MR so I have to shift to 5th gear before crossing the line but no biggie. Out of curiosity, are my dyno numbers to low or high for the times I hit at the track?
Oct 25, 2007, 11:31 PM
#41
I have a pretty basic common setup I would say:
Snow Performance Meth kit
FP GREEN
Full Race Manifold
Hallman MBC
GSC 272's
ARP Head studs
Helix Intercooler pipes
Turbo XS FMIC
Helix 3" TBE w/ titek O2 Housing
Walbro FP
PTE 780cc Injectors
My numbers on the dyno were 387hp 385tq on 91 octane & 100% methanol. I just ran this past weekend a best of 11.65@116mph with a 1.72 60'ft. My downside is I have an MR so I have to shift to 5th gear before crossing the line but no biggie. Out of curiosity, are my dyno numbers to low or high for the times I hit at the track?
Snow Performance Meth kit
FP GREEN
Full Race Manifold
Hallman MBC
GSC 272's
ARP Head studs
Helix Intercooler pipes
Turbo XS FMIC
Helix 3" TBE w/ titek O2 Housing
Walbro FP
PTE 780cc Injectors
My numbers on the dyno were 387hp 385tq on 91 octane & 100% methanol. I just ran this past weekend a best of 11.65@116mph with a 1.72 60'ft. My downside is I have an MR so I have to shift to 5th gear before crossing the line but no biggie. Out of curiosity, are my dyno numbers to low or high for the times I hit at the track?
Oct 26, 2007, 07:16 AM
#44
edit: I'm running a peak of 28psi
Last edited by caLi4G63; Oct 26, 2007 at 07:26 AM.
Oct 26, 2007, 07:22 AM
#45
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My Full-Race manifold decreased turbo spool time and increased power significantly once tuned. Keep in mind I sent it for Swain-Tech White Lightning coating before install. Unfortunately I do not have a baseline dyno graph, but I do have the before-tune vs. after-tune graph uploaded...
Theoretically, the Full-Race manifold should work with the FP Green turbo. Correct me if I am wrong.
-Carl
Theoretically, the Full-Race manifold should work with the FP Green turbo. Correct me if I am wrong.
-Carl