1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

My 1st gen 13b Dyno slip!

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Old 09-22-02, 11:05 PM
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My 1st gen 13b Dyno slip!

Went to the bay area bbq and dyno day at ATP in freemont on saturday. I had the only first gen represented on the dyno (and I think the only non-turbo car as well).
This is my set up: 1974 4 port 13B with 89 rotors. Big street port. Weber 48 IDA. Racing beat header with dual long primary exhaust.

Adding the usual 15% driveline loss puts it at about 200 hp at the flywheel.

Note the huge dip at the very end of the power curve. That's my crappy spark plug wires causing a high rpm miss (fixed it today) Might have gotten a few more ponies without that miss.


-t




motor:



the ride:

[IMG]
Old 09-22-02, 11:11 PM
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Well done, showing all the other fellas a real RX7.

Not a bad number too.
Old 09-22-02, 11:13 PM
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Nice!!!

Can uou post some closeups of your hood scoop from above and below?

I love Naca ducts.
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