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

S5 Intake, S4 Tb?

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Old Nov 22, 2008 | 01:26 AM
  #1  
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S5 Intake, S4 Tb?

Can the S4 Turbo II throttle body bolt on to the S5 Turbo II Intake manifold?
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Old Nov 22, 2008 | 01:30 AM
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From: tracy/stockton ca
yes
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Old Nov 22, 2008 | 01:36 AM
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From: North Aurora
Yes, dont buy the s4 manifolds. I was only going to buy them just because of the fuel injectors + rails. But you do need the s4 injectors. Looking to buy a pair so I can trade you. Unless you take out the resistor box. Oh yeah, get the block of plates. If you can switch front cover from a s4 t2 for the mechanical omp. Unless your going to run premix.
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Old Nov 22, 2008 | 01:41 AM
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gonna run premix, **** it
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Old Nov 22, 2008 | 07:39 AM
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From: Perth, WA, OZ
the TB's swap OK
- you will find a slight difference in length of 1 stud, easily rectified

however, there is now a clever solution around the TB/ timing cover/ ecu/ linkage / premix s5 into s4 headaches

http://www.eomp.info/

this will run the EOMP independently
with only the spare wide TPS that s5 TB brings
rev and map versions are also soon avail to suit those without TPS
- and soon one that will piggy back a single TPS in conjunction and also to fool factory ECU limps


- s5 motors can go straight into s4 FC
as is with s4 ECU and s4 injectors
( or with s5 injectors and ballast loom changes )
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