NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   1st Generation Specific (https://www.nopistons.com/1st-generation-specific-16/)
-   -   1/8 Mile Times (https://www.nopistons.com/1st-generation-specific-16/1-8-mile-times-8828/)

Red12aRx7 12-05-2002 12:34 PM

What is a good 1/8 mile time for a first gen? Slightly modified? or what have any of you guys ran the 1/8 in?

moremazda 12-05-2002 09:56 PM

15.7 in the 1320.

Racer X 12-05-2002 10:44 PM

12a's are more like 16.3 stock.13b's on the other hand. :squint:

79 Rotor 12-06-2002 04:57 PM

1979 12a stock w/ racing beat header and primaflow muffler 10.997 1/8 times

Red12aRx7 12-07-2002 10:33 AM

I just ran mine and ran 10.1. At 72 MPH. Well this was on in october. I just have racing beat header and straight through exhaust. And mechanical Secondaries on street tires. I beat every Honda Civic Si but one and he ran an 9.9. So I was very pleased. Everyone wanted to know what I had under the hood. and when they looked the look was well that's it.. That thing is tiny. :bigok:

'79rx7 12-12-2002 12:55 AM

I ran a 9.93 1/8 mile time in my '79

Red12aRx7 12-12-2002 06:24 PM

What do you have done to yours?

'79rx7 12-12-2002 11:24 PM

That time was when it still had the 12A in it, stock carb but rejetted, rb air box, rb header, rb presilencer, 2 1/4" straight pipe to a rb muffler, weight reduction (nothing to major) no emissions, no spare, jack, tools, storage bins, a/c, or any a/c related items, few other little tricks.

Red12aRx7 12-13-2002 10:43 PM

wrong section. but how do you rejet your carb and what are the advatages of it.? Can I just take it to a guy that rebuilds carbs and have him put in what size jets? I have the same exact things you had done.

'79rx7 12-14-2002 11:42 PM

I don't know exactly what they are but I will find out, I do know it was a little richer, does yours have a lsd? (4:10)? That 12A was a screamer for what it had done to it, may altitude makes a difference as well, (or even air temp.) Do you know what your car weights? Mine was 2380 with me in it and about a quarter tank of gas, I weigh about 170...


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