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why wont the 4 piston calipers work on the 4 lug cars

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Old 06-28-07, 09:34 AM
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why wont the 4 piston calipers work on the 4 lug cars

Ok I have a brand new 4 lug single piston caliper and a quad piston caliper sitting here and the ears are the same, the holes line up, the brake lines are in the similiar place etc..

why cant u use the 4 pistons calipers on the single piston caliper hubs etc...

I see you will have to use the 5 lug rotors but in theroy u can redill the rotors to fit on the 4 lug hubs and with aftermarket 16" or larger wheels clearence should not be an issue..

What do u guys think
Old 06-28-07, 10:09 AM
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Transfer the distribution block and brake booster also.
Old 06-28-07, 10:23 AM
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in theory u should not have to yes it would be recomended but u really should not have to.. alot of big brake kits including the one I did and sell for dsm's is to go from a single to dual pistons setup and u dont have to.. I also had a friend that went from single to quad on I think another mitsi and he did not have to and his car brakes fine...
Old 06-28-07, 12:30 PM
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Originally Posted by SpooledupRacing
Ok I have a brand new 4 lug single piston caliper and a quad piston caliper sitting here and the ears are the same, the holes line up, the brake lines are in the similiar place etc..

why cant u use the 4 pistons calipers on the single piston caliper hubs etc...

I see you will have to use the 5 lug rotors but in theroy u can redill the rotors to fit on the 4 lug hubs and with aftermarket 16" or larger wheels clearence should not be an issue..

What do u guys think
yep redrill the rotors and its good.
Old 06-28-07, 02:24 PM
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Originally Posted by j9fd3s
yep redrill the rotors and its good.
are u serious?
Old 06-28-07, 03:43 PM
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i had the same problem. the rotors of the tii are slightly larger.
when i was swapping to 5 lug from a tii. i had the issue of clearence with my n/a breaks. they would not fit. i had to get tii breaks to fit to the tii rotors. the rotors are slightly different in size and width.

i would NOT drill anything. if i were you i would research more about this. and check to see if your 4 piston callipers are for a tii or for 5 lug hubs. most likely it is.
and i am guessing your n/a and posibly even 4 lug
good luck . let me know how it goes

edit: woops totaly didnt realize i was speeking to spooled up racing. haha. any way. good luck buddy. post up with your findings. and any pix you can come across for this problem!!!!
Old 01-15-08, 09:32 PM
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SPOOLED..you want answers?.PM me..I did a Couple Conversions,and I have hit just about every "snag" possible..so,If you need a HOW-TO,I can give you the lowdown on what you need,what you do not have to change,what you can Get away with..ETC!
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