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

12A bridgeport

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Old 11-17-08, 09:14 PM
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Mazda goes MMMMMMMM

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12A bridgeport

I'm kinda new to 1st gens and really new to porting. Would anyone be able to tell me if I have the mods to support a 1/2 bridgeport?

Rotary Engineering dual weber DCD
Holley blue fuel pump
dual header--->straight pipes--->megaphone

I'm not sure what the carbs are jetted at but it's whatever RE made them with.
Anything else?....

Thanks
Old 11-17-08, 10:10 PM
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Stu-Tron Get Yo Groove On

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What size are the webers?
Old 11-17-08, 10:25 PM
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Mazda goes MMMMMMMM

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36dcd so,36 mm I assume.
not sure about the jets
Old 11-18-08, 01:12 AM
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PSHH! PSHH! HEAR ME NOW?

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Take it from experiance. Don't waste your time doing a half bridge. If you are tearing the engine down to port it, just go full bridge. Back to your question. The carbs will be enough for a half bridge.
Old 11-19-08, 12:34 AM
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13BEE

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NY ??

ok i have a 1/2 bridge port also with stock carb what type pf carb should i get or what u think i should do
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