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S5 TII short block going in S4 NA

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Old 09-18-08, 04:40 PM
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dewey

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S5 TII short block going in S4 NA

ok, i read up on some procedures in doing this and supposely the point of all this is too make the ECU still think the engine is a S4(while its a S5).

i got the intake/exhaust manifolds and TB... TII fuel rails, ECU, AFM

what else do i need?

i know i need a TII tranny and upgrade the fuel pump... what about the driveshaft? any changes in that? or should i get a custom made one? well... i was thinking if i needed one, i'd get it from this place... http://www.pstds.com/

well, after all that, would everything be plug and play.
Old 09-19-08, 08:45 AM
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dewey

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not doable?
Old 09-19-08, 09:08 AM
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NASA-MW ST4

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If you are keeping your n/a diff and using a TII trans you need a custom driveshaft. You can get it at mazdatrix.

You don't need a tII tranny but you would be wise to use one, with a TII Tranny you also need - TII Clutch Slave Cylinder, TII Clutch and PP, TII Flywheel
Old 09-19-08, 11:58 AM
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dewey

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so i'll need to replace the master and slave on the clucth, and what's PP?

and i'm hoping it works out because my diff is the lsd diff... i have the 88 GTU
Old 09-19-08, 01:28 PM
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Mac Attack

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You don't need to change the clutch master, just the slave. PP means Pressure Plate.
Old 09-19-08, 01:38 PM
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dewey

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oh haha... i was trying to figure it out... think power steer, p, p, p.... pp what? :P
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