hi have a s50 turbo e30 and im going to dyno soon ,i should be makeing 450 to 500 whp and wanted to no what rear end to use ..
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260 or ZF transmission?
1991 325iS turbo
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from what ive heard from people in the past. using a S3.25 out of a e36 m3, or a S2.93 out of a ES e30 (or optioned eta).1989 325i SETA stroker [delphin] R3V'd 8/31/2011
1989 325ix [zinnoberrot] $OLD
1970 2002 [Nevada]
Originally posted by Herr Faust SchinkenOriginally posted by ak-Comment
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im useing the m3 zf tranny and thanks for the reply..Comment
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It's important to know what transmission he's pairing it with though.Originally posted by Robotin View Post
An s2.93 on a ZF is like an s3.25 on a 260trans, sort of.
But an s2.93 on a 260trans is balls.
1991 325iS turbo
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You want an S2.93 then. I can't imagine using anything higher to have a usable 2nd or 3rd gear.Originally posted by bmwdready347 View Post
My bud is going through the same process right now, s52 turbo e30.
1991 325iS turbo
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2.93 or 2.791997 540i/6 - stock
1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDsComment
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Thanks I have a 293 and will put it on this weekComment
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go big, 373 or 4111989 325i SETA stroker [delphin] R3V'd 8/31/2011
1989 325ix [zinnoberrot] $OLD
1970 2002 [Nevada]
Originally posted by Herr Faust SchinkenOriginally posted by ak-Comment
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m30 turbo (~500rwhp ~600rwtq) has no traction in 3rd already with a 2.93, it's tall but going higher is literally retarded'89 335is +turboComment
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I run a 2.93. I have run as low as 3.46 but it wouldn't fully load the turbo in 2nd. The car would go through the gears too quick. The 2.93 is leaps and bounds faster... I get full boost in 2nd and she just pulls for ever. Less shifting tooTurbo E30
Roadkill 80lb 93 octane OBDI tune
BavSol Cylinder Head
Stock S50 in. cam Schrick ex. cam
Otis' tubular T4 manifold
Oringed 87mm S52, Eagle rods and 8.5:1 CP pistons.
GT4094r w/Batmowheel Impeller
614whp@17.5psi, 100 Oct
690whp@21psi, 100 Oct
801whp@27psi, 110 URT
Old: 1/4 mile: 10.91@144.38 (636whp)
New: ?
http://www.youtube.com/watch?v=L_f7fUVqblIComment
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Turbo? S2.93 definitelyOriginally posted by priapismOriginally posted by shamesonComment
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^this. picked up one at the end of summer. can't wait to see how it feels with my turbo.1989 E30 Zinnoberrot Vert 325i OBD1 S52 turbo;IPComment
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Originally posted by Lurker27 View Post
Impressive. From what i hear that pretty hard to do with that motor.Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.
www.gecoils.com
My euro 316 project Transaction FeedbackComment
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The pistons are thermally limited, I run meth+water inject on the biggest mcmaster nozzle. I also have a ported custom cam, flipped manifold, oring'd block w/ ARPs, bottom end rebuild, full 4" exh. It blew up my trans though so it's down right now.
would not recommend more than 15psi on a stock motor, they just choke past that anyway, M30s are terribly lift limited, so you need a very on point valvejob and then a cam can run 30% more valve curtain or so and wake it up @ high rpms'89 335is +turboComment
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