S4-s5-s6 Interchangeable Parts
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ROBRXRAY
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S4-s5-s6 Interchangeable Parts
OK As I work my way through the RX7 world of parts and cars, modifying and interchanging parts, thought there would be a thread put together about this but haven't seen it in archives, in any in depth topics. I think most 7 owners, know the basic cosmetic changes wings, taillights, mirrors, wheels but say putting a fd upper intake and s5 lower intake on a s4 motor. Or turbo drive train or fd into a n/a. What all works between the gens 1,2,3rd. If you have experience and time, I think this thread will answer a lot of question on the subject if you post it.
#3
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Originally Posted by SirCygnus
um.... the spark plugs pretty much are interchangeable, i dont know about the lug nuts though.
S4 clutch type lsd can be swapped into an S5 to get rid of the Viscous LSD.
#4
ROBRXRAY
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what no info out there except obvious expert sircygnus
find out for yourself bs, wtf?
Break it down into categories and I will copy and post and keep thread going,
example
FD TO FC UPGRADES
FUEL PUMP - insert installation info
UPPER INTAKE- insert installation info
ALTERNATOR - insert installation info
I can sort by systems electrical, fuel, engine etc.
find out for yourself bs, wtf?
Break it down into categories and I will copy and post and keep thread going,
example
FD TO FC UPGRADES
FUEL PUMP - insert installation info
UPPER INTAKE- insert installation info
ALTERNATOR - insert installation info
I can sort by systems electrical, fuel, engine etc.
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I see this thread is going places....
Anyway, to contribute...here is a installation schemeatic for the s4,s5,s6 alternator.
I wish i knew who to give credit to, but i don't.
ALTHOUGH...i don't know about the actual mechanical modifications you have to make...as in pulley's and spacers, etc.
Anyway, to contribute...here is a installation schemeatic for the s4,s5,s6 alternator.
I wish i knew who to give credit to, but i don't.
ALTHOUGH...i don't know about the actual mechanical modifications you have to make...as in pulley's and spacers, etc.
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#10
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Basically, a lot of the parts from FD to FC are almost FC turbo specific.
Any of the FC non-turbos that use Turbo II parts can use the FD parts - i.e. the brake calipers.
Almost everything you mentioned (UIM, alternator) are not drop in.
The FD alternator can drop in (I think) to a Kouki FC turbo, but the pulley is all wrong.
FD Torsen diff can swap with any Turbo II diff.
-Ted
Any of the FC non-turbos that use Turbo II parts can use the FD parts - i.e. the brake calipers.
Almost everything you mentioned (UIM, alternator) are not drop in.
The FD alternator can drop in (I think) to a Kouki FC turbo, but the pulley is all wrong.
FD Torsen diff can swap with any Turbo II diff.
-Ted
#12
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RETed can you elaborate some on FD to FC turbo specific parts, I know the motor isn't direct bolt in, but people use the rotors and housings, other engine parts? there is a FD uim people use also to FC and ssomeone has already posted about the alternators on this thread.
I know you have wheel fitment taken care of for FD to FC because that is what I used. Again, wheeladapter.com Fred Goeske made mine that are hubcentric/wheelcentric one piece adapters that are perfect, if interested let me know and I will talk with him about group buys.
satanicmechanic you can change out the warning lights from s5 into s4 and use the s5 surround.
I think the S5 steering wheel is adaptable to s4 also.
I know you have wheel fitment taken care of for FD to FC because that is what I used. Again, wheeladapter.com Fred Goeske made mine that are hubcentric/wheelcentric one piece adapters that are perfect, if interested let me know and I will talk with him about group buys.
satanicmechanic you can change out the warning lights from s5 into s4 and use the s5 surround.
I think the S5 steering wheel is adaptable to s4 also.
#13
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Originally Posted by robrxray
RETed can you elaborate some on FD to FC turbo specific parts, I know the motor isn't direct bolt in, but people use the rotors and housings, other engine parts?
The rotor housings bolt together, but 1) the spark plug positions are like the Kouki motors - a little lower than the Zenki ones, and 2) if you need the water passage for the stock turbo, they are not drilled on the 13B-REW.
So, I don't call them swapable at all - not without a little custom machining.
Rotors are basically the same as the Kouki FC 13BT.
Front stat gear is not the same, and the 13B-REW uses different Torrington bearings in the front, which are not swappable with the FC 13BT parts.
The eccentric shaft is the same, but this is for all 13B from the 1984 GSL-SE 13B on up.
There is no real adavantage to eccentric shaft design with maybe the exception of the 1984 - 1985 GSL-SE e-shaft due to NO STUPID THERMO PELLET in the front "nose".
there is a FD uim people use also to FC and ssomeone has already posted about the alternators on this thread.
Even if you manage to make it fit, you need to address the issues of:
1) TB adapter
2) TPS
3) Vacuum fittings
4) BAC valve
Thus, I don't call this an easy swap.
Same thing with the alternator...
There is no easily available v-belt pulley that will bolt onto the FD alternator that will make this drop-in.
The plugs for the Kouki FC will work, but you need to custom wire a Zenki FC to make it work properly.
-Ted
#14
Originally Posted by RETed
Basically, a lot of the parts from FD to FC are almost FC turbo specific.
Any of the FC non-turbos that use Turbo II parts can use the FD parts - i.e. the brake calipers.
Almost everything you mentioned (UIM, alternator) are not drop in.
The FD alternator can drop in (I think) to a Kouki FC turbo, but the pulley is all wrong.
FD Torsen diff can swap with any Turbo II diff.
-Ted
Any of the FC non-turbos that use Turbo II parts can use the FD parts - i.e. the brake calipers.
Almost everything you mentioned (UIM, alternator) are not drop in.
The FD alternator can drop in (I think) to a Kouki FC turbo, but the pulley is all wrong.
FD Torsen diff can swap with any Turbo II diff.
-Ted
#15
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Originally Posted by sao1
Would the FD's 3.90 ring and pinion swap into TII diff?
I know for sure the ring gear side is swappable.
The pinion side should also swap too.
-Ted
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TOPIC OF THE DAY DRIVELINE [OR ANYTHING ELSE]
TURBO TRANNY, CROSS MEMBER, REAR DIFFERENTIAL, DRIVESHAFT, FLYWHEEL, CLUTCH KIT
INTO N/A CAR
WHAT DO YOU NEED TO COMPLETE SWAP?
WHAT FD COMPONENTS GO INTO A TURBO II CAR OR N/A?
TURBO TRANNY, CROSS MEMBER, REAR DIFFERENTIAL, DRIVESHAFT, FLYWHEEL, CLUTCH KIT
INTO N/A CAR
WHAT DO YOU NEED TO COMPLETE SWAP?
WHAT FD COMPONENTS GO INTO A TURBO II CAR OR N/A?
Last edited by robrxray; 09-29-06 at 06:52 AM.
#17
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Originally Posted by robrxray
TURBO TRANNY, CROSS MEMBER, REAR DIFFERENTIAL, DRIVESHAFT, FLYWHEEL, CLUTCH KIT
INTO N/A CAR
WHAT DO YOU NEED TO COMPLETE SWAP?
WHAT FD COMPONENTS GO INTO A TURBO II CAR OR N/A?
INTO N/A CAR
WHAT DO YOU NEED TO COMPLETE SWAP?
WHAT FD COMPONENTS GO INTO A TURBO II CAR OR N/A?
Everything else will not swap.
The FD clutch is a pull-type, while the FC (both turbo and non-turbo) are push type.
This makes it difficult to swap parts.
The only part of the clutch that will work between FD and FC turbo is just the clutch disc.
FD trans will not fit.
The trans is like 1.5" shorter due to the pull-type clutch, and you need to custom fab everything to make it fit.
Due to the shorter bell housing / input shaft, the driveshaft won't fit either.
You can't even swap the while rear diff / driveshaft / transmission from the FD due to the PPF.
I don't think you can use everything without the PPF?
PPF = Power Plant Frame, and it's an important structure of the FD.
See where it can get complicated?
-Ted
#18
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Originally Posted by robrxray
TOPIC OF THE DAY DRIVELINE [OR ANYTHING ELSE]
TURBO TRANNY, CROSS MEMBER, REAR DIFFERENTIAL, DRIVESHAFT, FLYWHEEL, CLUTCH KIT
INTO N/A CAR
WHAT DO YOU NEED TO COMPLETE SWAP?
WHAT FD COMPONENTS GO INTO A TURBO II CAR OR N/A?
TURBO TRANNY, CROSS MEMBER, REAR DIFFERENTIAL, DRIVESHAFT, FLYWHEEL, CLUTCH KIT
INTO N/A CAR
WHAT DO YOU NEED TO COMPLETE SWAP?
WHAT FD COMPONENTS GO INTO A TURBO II CAR OR N/A?
http://www.rotaryresurrection.com/2n...in_differ.html
#19
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S5 TII DRIVELINE into S4 N/A DRIVELINE
THE MOTOR AND HARNESS, COMPUTER IS GOING WITH ALSO, I BELEIVE THE CROSS MEMBER HAS TO BE CHANGED AND DRIVESHAFT ALSO. IF ANYTHING ELSE GOES IN FOR DRIVE LINE IN THAT SWAP, PLEASE ADD OR POST LINK
THE MOTOR AND HARNESS, COMPUTER IS GOING WITH ALSO, I BELEIVE THE CROSS MEMBER HAS TO BE CHANGED AND DRIVESHAFT ALSO. IF ANYTHING ELSE GOES IN FOR DRIVE LINE IN THAT SWAP, PLEASE ADD OR POST LINK
#21
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was in hurry w/cap locks , share some info if you have time. how about interior stuff, exterior, suspension, etc. instead of looking in all the forums, wheel, turbos, engines. just make one thread w./ bolt ons, easily modded, upgrades in one place is point of this thread
#22
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I dont think you have any idea of the undertaking you are suggesting. Even for someone like me with al the knowledge, you're talking WEEKS of sitting down and typing it all out. All for what...free, so that next week the forum kiddies can PM me about putting an s5 turbo engine into an s4 NA chassis? No thanks.
#23
Rotary Freak
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Originally Posted by RETed
Would the FD's 3.90 ring and pinion swap into TII diff?
Good question...
I know for sure the ring gear side is swappable.
The pinion side should also swap too.
Good question...
I know for sure the ring gear side is swappable.
The pinion side should also swap too.
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