Direct bolt-on turbo (ko4 replacement)
12-17-2012 | 08:35 PM
#801
12-17-2012 | 08:55 PM
#802
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Joined: 03-05-11
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From: Encino,Ca
When 40rty gets his car back and the weather clears up. Me n him gotta meet up and have a go. EFR vs BNR
12-18-2012 | 12:00 AM
#812
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From: Bradenton, FL.
BNR 2871 is not very stable above 27 psi and you would have had a more massive torque spike but a large fall up top. Hp would have been about the same but reached at a lower RPM and peak torque would been higher of course. Likely 3-4* less midrange spark can be run at 30 psi with the BNR especially on 93 octane. Forty's setup with the 5th injector on E-85 should make around 450-460 whp at 26-27 psi on the dyno dynamics load type dyno he uses. Made 368 whp and 446 wrtq at 24 psi max no huge boost spike with stock turbo on E-85 with the car right on the edge of injection window misfire (6.2-6.5 Ms injection times up at 6500-7200 RPMs even with ZZPs big fuel lobe cams, 2500 psi rail pressure holding throughout (tried higher but would not hold over 2500 psi no matter what I commanded) and a very advanced injection angle
12-18-2012 | 12:10 AM
#813
those are pretty good numbers on 27psi David. I think I am goona go the conservative/cheap route, and go with the old school s20g or revised bnr myself. What do you suggest? I was thinking Hahn s20g since not many have it on here, but I am worried i wont break the 400whp/400wtq mark safely on it with what i have(full bolt-ons)
12-18-2012 | 12:52 AM
#814
those are pretty good numbers on 27psi David. I think I am goona go the conservative/cheap route, and go with the old school s20g or revised bnr myself. What do you suggest? I was thinking Hahn s20g since not many have it on here, but I am worried i wont break the 400whp/400wtq mark safely on it with what i have(full bolt-ons)
I fully bolted, turbo swapped and then returned my car back to stock in the time you were trying to decide what to do!
12-18-2012 | 12:54 AM
#815
Senior Member
Joined: 03-05-11
Posts: 2,582
Likes: 1
From: Encino,Ca
Come down!
Oh yes, there will be vids.
Psh, I don't think that at all. I'm thinking you're gonna rape me.
Please do, and build my motor while you're here.
That is what I'm waiting for...
Oh yes, there will be vids.
Psh, I don't think that at all. I'm thinking you're gonna rape me.
Please do, and build my motor while you're here.
That is what I'm waiting for...
12-18-2012 | 07:42 AM
#817
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Joined: 06-22-09
Posts: 5,989
Likes: 6
From: Kathmandu
those are pretty good numbers on 27psi David. I think I am goona go the conservative/cheap route, and go with the old school s20g or revised bnr myself. What do you suggest? I was thinking Hahn s20g since not many have it on here, but I am worried i wont break the 400whp/400wtq mark safely on it with what i have(full bolt-ons)
12-18-2012 | 05:06 PM
#820
Thread Starter
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From: Bradenton, FL.
S20G 1100
CHARGE-PIPES/BOV 500
= $1600
.......................................
ZFR 1950 with extended coupler
= 1950
.......................................
The revised BNR is 1500 - 300 core = $1200+$500 charge pipes/bov = $1700
.......................................
Pwerks WR-2 $2300-500core = $1800
.......................................
Maybe its worth the extra 150-350 to do the zfr, but it looks like there is a wait till the summer
CHARGE-PIPES/BOV 500
= $1600
.......................................
ZFR 1950 with extended coupler
= 1950
.......................................
The revised BNR is 1500 - 300 core = $1200+$500 charge pipes/bov = $1700
.......................................
Pwerks WR-2 $2300-500core = $1800
.......................................
Maybe its worth the extra 150-350 to do the zfr, but it looks like there is a wait till the summer
12-18-2012 | 05:37 PM
#821
Senior Member
Joined: 07-25-08
Posts: 12,478
Likes: 6
From: Florida
S20G 1100
CHARGE-PIPES/BOV 500
= $1600
.......................................
ZFR 1950 with extended coupler
= 1950
.......................................
The revised BNR is 1500 - 300 core = $1200+$500 charge pipes/bov = $1700
.......................................
Pwerks WR-2 $2300-500core = $1800
.......................................
Maybe its worth the extra 150-350 to do the zfr, but it looks like there is a wait till the summer
CHARGE-PIPES/BOV 500
= $1600
.......................................
ZFR 1950 with extended coupler
= 1950
.......................................
The revised BNR is 1500 - 300 core = $1200+$500 charge pipes/bov = $1700
.......................................
Pwerks WR-2 $2300-500core = $1800
.......................................
Maybe its worth the extra 150-350 to do the zfr, but it looks like there is a wait till the summer
12-18-2012 | 05:47 PM
#822
12-18-2012 | 05:54 PM
#823
Senior Member
Joined: 07-25-08
Posts: 12,478
Likes: 6
From: Florida
EFR spools up about the same as a 2871 BNR or the WR2 but IMHO it has more top end flow as it is more efficient at higher compressor speeds at least vs the BNR never seen a log of a WR2 car or a compressor map of a WR2. If I still had my Balt I would put a EFR on it in a heart beat.