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Originally Posted by sleepydogz
(Post 11795811)
That's your user name so I can add you to my YouTube channel
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Originally Posted by shawnm565
(Post 11796219)
Most of my video's are under turblown's name.
I have a question has anybody Try the EFR8374 with a front mount intercooler? Instead of a v-mount with the radiator. Would it have a big difference on the spooling |
Every kit we have sold both IWG and EWG has been on a car with a Vmount.
In my experience there is about 200 to 300 RPMs difference between the two( because of longer piping). |
Originally Posted by howard coleman
(Post 11796114)
the GT35 and the EFR 8374 are very different turbos. the GT35 is a small turbo. the EFR 8374 is a middle size turbo GT35 compressor size 6.38 average square inches area/ cast turbine size is 5.17 EFR 8374 compressor size 6.62/ Billet turbine 6.23......... plus 20.5% to the GT35 assuming both turbos can be driven to the 60% edge of their compressor maps... at 14.7 psi boost GT35 max power 420 EFR 8374 max power 460 at 20 psi GT35 440 EFR 8374 527 EFR at 40 psi boost 580 one of the significant benefits of the EFR is the larger hotside turbine wheel. the more efficient the hotside is the lower the EGT which pays dividends both in and out of boost. less chance of warped apex seals. the GT35 is a nice turbo but IMO the primary drawback is the smallish (80% of the cold side) hotside. since our motors require 30% more flow to make similar power to a piston engine and the exhaust is generally around 2-300 degrees hotter big hotsides work really well. Borg Warner generally offers better hotside options. the garden variety BW equivalent to the GT35 has a 6.31 inch turbine. plus 22% to the GT35. OE build quality. you won't go wrong w any of the aforementioned turbos but it will be important to pick a turbo that properly fits your objectives. howard
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"Howard how does billet pte6266cea compare to the above turbos?"
Precision doesn't provide compressor maps unlike Garrett and Borg Warner. i have no first hand experience w P and others on the forum would be better able to answer from experience. hc |
Power output is similar, but the response is not even close in my experience. I have not done back to back testing however.
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My EFR 7670 maxed out at 369rwhp @ 26psi as I predicted from the compressor flow, but not for the reason I thought. I wasn't able to do a full 28psi run as I hit 100% duty cycle around 4,000rpm.
350ftlbs torque, 369rwhp on a dyno dynamics @ 26psi. https://www.rx7club.com/single-turbo.../#post11796556 |
Originally Posted by BLUE TII
(Post 11796558)
My EFR 7670 maxed out at 369rwhp @ 26psi as I predicted from the compressor flow, but not for the reason I thought. I wasn't able to do a full 28psi run as I hit 100% duty cycle around 4,000rpm.
350ftlbs torque, 369rwhp on a dyno dynamics @ 26psi. https://www.rx7club.com/single-turbo.../#post11796556 Very nice. Speedjunkie and I were guessing his output was around 360-380WHP at about the same PSI. so we were close in our guesses. |
Efr8374
Hey guys
Am going to be running the efr8374 with a front mount intercooler Am thinking of getting this clutch http://www.rx7store.net/product_p/zx6-xtr6.htm Would it be a good clutch to run with it?? The goal is 460hp I see the clutch is good for 577ftlb Any info will help thanks |
It'll be good for the power level, and then some.
But if you are using it on the street, you'd be better off looking at a clutch with a sprung hub. The solid clutch disk has lower rotating mass and is better when shifting, especially downshifting, but if have to drive in any kind of traffic, you probably won't like it. They're just too harsh. |
Originally Posted by Vicoor
(Post 11808430)
It'll be good for the power level, and then some.
But if you are using it on the street, you'd be better off looking at a clutch with a sprung hub. The solid clutch disk has lower rotating mass and is better when shifting, especially downshifting, but if have to drive in any kind of traffic, you probably won't like it. They're just too harsh. Ok thanks!! Any recommendation?? I need something that if I deside Togo to the track one day it would hold.. But mainly a weekend car with power.. |
The ACT clutches you're looking at are good, just get one with a sprung hub
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