1979 Mazda Rx-7
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Okay, There's a '79 RX-7 in town. It's got 135,000 miles on it. The car is beatiful, its got a new clutch,paint,stereo,good tires,the works...one problem. Its got leaky side seals. I really want this car...what do i do? Also, How much would it run me to put a 13b into this car, its currently got a stock 12A. How much do new side seals run?
Grady
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You can't just pull the engine down, slap new side seals in, put it back together and expect it to last. If the side seals are gone it's most probably gonna need a full rebuild anyway.
Last edited by REVHED; 12-09-01 at 08:29 PM.
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Originally posted by REVHED
You can't just pull the engine down, slap new side seals in and put it back together. If the side seals are gone it's most probably gonna need a full rebuild anyway.
You can't just pull the engine down, slap new side seals in and put it back together. If the side seals are gone it's most probably gonna need a full rebuild anyway.
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'79 RX-7
i have a friend with a 13b that has good compression. if i can get the engine for a couple hundred $$ wouldn't it be cheaper to just put the 13b in the first gen? How fast are street ported 12A's?
Grady
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Haha... you've had plenty of opportunities to smack me with that SE. Next time, why dont come join the boys in front if you're that fast
lol!
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#9
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13B's own for torque... torque up high, torque down low, torque everywhere.
12A's make a lil' less, of course, and a 12A can be built up right up there with how much power a 13B can make, but the torque curve tends to be higher up and narrower. My SP actually makes more torque down low than stock, but the torque doesn't peak until 5500 or so, and if I wasn't running such a restrictive carb it'd pull all the way to... well, stock apex seals = max 8500. Kind of a narrow powerband.
Some of us *like* that, though
12A's make a lil' less, of course, and a 12A can be built up right up there with how much power a 13B can make, but the torque curve tends to be higher up and narrower. My SP actually makes more torque down low than stock, but the torque doesn't peak until 5500 or so, and if I wasn't running such a restrictive carb it'd pull all the way to... well, stock apex seals = max 8500. Kind of a narrow powerband.
Some of us *like* that, though
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tiger18
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09-03-15 08:27 PM