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| spinner1987 |
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hay guys i got a set of new rotors for my car but the drill hols dont go all the way through just
wondering are they ment to and if i drill the hols out will it help in any way or just wreck them |
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| Fordsrule174 |
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thats called dimpled holes mate
your better off with dimpled as true drilled will more likely to warp the rotor
_________________ NF Fairlane Ghia, Brand New Leather Interior, Wallnut All Through, 800W RMS JL Audio Sound System, Lowered King Springs And Monroe GT Shocks, Custom BA/GT Air Intake, Holley Highflow, Simmons B45's, Going To Be Supercharged At 9-12psi With Stage 4 Head And Cam With Pacemakers And 3" Exhaust |
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| low_ryda |
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Dimpled as mentioned, they still work fine. Drilling them out would almost certainly lead to cracking/hairline fractures. Cross drilled rotors have holes drilled at angles through the plane of the disc making it less likely to, although still susceptible to cracks.
They're just there to stop a cushion of heat/gas forming between the pad and rotor. A few people actually recommend not using cross drilled rotors for street use.
_________________ Not to get technical, but according to chemistry alcohol is a solution. |
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
Drilled rotors make good paper weights.
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| Fordsrule174 |
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ive got dimpled and slotted from RDA and they are fine
and v8 supercars use just heavily slotted rotors and they would have to be good for them as they glow at times
_________________ NF Fairlane Ghia, Brand New Leather Interior, Wallnut All Through, 800W RMS JL Audio Sound System, Lowered King Springs And Monroe GT Shocks, Custom BA/GT Air Intake, Holley Highflow, Simmons B45's, Going To Be Supercharged At 9-12psi With Stage 4 Head And Cam With Pacemakers And 3" Exhaust |
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