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SOHC TURBO TRANNY QUESTION...

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Old 05-01-2008, 08:31 PM
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Default SOHC TURBO TRANNY QUESTION...

wat tranny would be best if i go sohc turbo??? or would it be better if i custom a tranny???
Old 05-02-2008, 05:38 AM
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Sohc tranny's suck but best out the box is the s40 from a EX/SI. It has shorter gears then its s20 brother, steel shift forks and larger bearings. What r ur power goals? If you only trying to make 200-300 wheel then the s40 should hold up ok but I would recommend getting a LSD..
Old 05-02-2008, 06:20 AM
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Default Re: (mrbigg9032)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mrbigg9032 &raquo;</TD></TR><TR><TD CLASS="quote">Sohc tranny's suck but best out the box is the s40 from a EX/SI. It has shorter gears then its s20 brother, steel shift forks and larger bearings. What r ur power goals? If you only trying to make 200-300 wheel then the s40 should hold up ok but I would recommend getting a LSD..</TD></TR></TABLE>
SOHC transmissions can be very reliable, even with big power. I would highly suggest a full refresh on bearings and seals, and make sure your synchros are satisfactory. Both trannies have are identical (gear-wise) look it up.
An LSD is definitely recommended, I agree.

As for the OP, what are you going to do with your car? Road race? Bonneville? That's a VERY vague question.
Old 05-02-2008, 07:25 AM
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Default Re: (hatchling37)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hatchling37 &raquo;</TD></TR><TR><TD CLASS="quote">
SOHC transmissions can be very reliable, even with big power. I would highly suggest a full refresh on bearings and seals, and make sure your synchros are satisfactory. Both trannies have are identical (gear-wise) look it up.
An LSD is definitely recommended, I agree.

As for the OP, what are you going to do with your car? Road race? Bonneville? That's a VERY vague question.</TD></TR></TABLE>

Reading &gt; You I said EX/SI. THere r 2 differant s20 trannies one for the EX/Si and other for the LX/DX. The one from the 92-95 EX/SI (s20) has the same gearing has the 96-00 s40.. Last time I check they didnt make a d series SI in 96-00 that why i wrote EX SI
Old 05-02-2008, 12:41 PM
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so which 1? s20 or s40???
Old 05-02-2008, 01:37 PM
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Default Re: (d_EG COUPE)

You want any 92-95 ex or si tranny... The 96-00 ex's had steel shift forks that are paper thin and only have a very small contact point at the weld.. I can bend the forks by hand.. I went through 3-4 of the 96-00 trannies.. People kept saying they were better.. Then I took apart a 92-95 tranny with the aluminum forks and those things are beefy.. THey have a huge amount of webbing that the 96+ trannies do not have..

So I repeat 92-95 ex or si tranny will do you right... SYnchro wise the D-series trannies take a beating.. THey are only single cone synchros and do not do well at high rpm's..
Old 05-02-2008, 02:18 PM
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Default Re: (mrbigg9032)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mrbigg9032 &raquo;</TD></TR><TR><TD CLASS="quote">Last time I check they didnt make a d series SI in 96-00 that why i wrote EX SI</TD></TR></TABLE>Clarity &gt; You. You made the statement S40 in EX/Si. Your '92-'95 Si's didn't come with S40's. They have an S20 label and the stamp on the case near the axle hole says B000, as opposed to the S20 in the LX/DX that has A000. The S20 (B version) and the S40 (out of '96-'00 EX's) have identical gear ratios. That's what I was saying. It's all good, chief, I see what you are getting at, but the OP pretty much stated that he doesn't know about D-series trannies, and I was trying to clear that up.
Old 05-03-2008, 06:32 PM
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soooooooooo S20 then out of a 92-95?
thanx guys
Old 05-10-2008, 10:51 PM
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i make 300hp and have a 98 ex trans and i blew out 2nd gear twice within a week go with a gearspeed trans and you will never have a problem again
Old 05-12-2008, 05:08 PM
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well i juss picced up a s20 woot woot
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