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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 12-16-2008, 04:36 PM   #1
WE3RX7
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Did you use 6port irons or 4port irons when you built the engine?

NOS is cheaper and easier IMHO.

HP is tough to say really, aside from the SP and carb setup the rest of the mods dont really add much HP and its hard to judge how big the SP is. I'll guess 160-180whp, but as VEX said, dyno it to really know...
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Old 12-16-2008, 04:51 PM   #2
88moneypit
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Quote:
Originally Posted by WE3RX7 View Post
Did you use 6port irons or 4port irons when you built the engine?

NOS is cheaper and easier IMHO.

HP is tough to say really, aside from the SP and carb setup the rest of the mods dont really add much HP and its hard to judge how big the SP is. I'll guess 160-180whp, but as VEX said, dyno it to really know...
4 port irons
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Old 12-16-2008, 04:54 PM   #3
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what size shot?
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