2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

13B Cosmo LIM on S4

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Old Feb 1, 2006 | 03:06 AM
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13B Cosmo LIM on S4

Anyone know if the LIM bolts to the S4 block?
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Old Feb 1, 2006 | 03:19 AM
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im about 99% positive that it DOES NOT.

Have you ever seen the manifold adaptors to fit the FD UIM to S5 LIM? You might be able to work up something like that, has some angled/portmatched holes since they don't line up, and new bolts since the mounting holes don't line up either.
Thats just an idea, and I have no idea on how off the intake runners are though. Doubt it would be a clean shot, and probably not worth your time.
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Old Feb 1, 2006 | 03:23 AM
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Originally Posted by Node
im about 99% positive that it DOES NOT.

Have you ever seen the manifold adaptors to fit the FD UIM to S5 LIM? You might be able to work up something like that, has some angled/portmatched holes since they don't line up, and new bolts since the mounting holes don't line up either.
Thats just an idea, and I have no idea on how off the intake runners are though. Doubt it would be a clean shot, and probably not worth your time.

Yea I remember that issue.
I'm looking at the whole UIM / throttle body and LIM.
I'm just concerned about the LIM bolting up.
Thanks for the response though
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Old Feb 1, 2006 | 03:42 AM
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i highly doubt it will and if it does it will need a serious facelift and won't flow any better than a S5 or even a S4 manifold for that matter.

RE and REW ports are about 75% larger than T2 ports, flow may be better through the manifold itself but the bottleneck it creates into the engine would overall reduce flow over even stock levels.
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