87 Rear end capabilities

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04-08-11, 05:48 PM

flaboy63

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87 Rear end capabilities

Hello Everyone what are the capabilities of a 87 RX7 as far as horsepower it can handle

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04-08-11, 10:04 PM

RotaryRocket88

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You'll have to be more specific. There are two sizes of rear ends: 8" TII and 7" NA. What are your intentions?

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04-09-11, 07:57 AM

cab91089

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The turbo 2 diff is stronger then the N/A so if your looking at anything over 200-250 hp its probably better to have the turbo 2 differential and transmission.

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06-02-11, 06:13 AM

Akagis_white_comet

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Just to be fair, Aaron Cake was putting down 500hp on a GXL rear end without any issues and had been using the original 1986 open diff prior to that without issues either.