what's tha cheapest or easiest swap for a 85? just thought i'd ask around so i can get an idea for what i plan to do in tha future https://www.nopistons.com/forums/pub...IR#>/bigok.gif

In my biased opinion, one of the cheapest and easiest power mod swaps is a blowthrough turbo anything. 12a, 13b, 13bt, 13b six port (gsl-se engine), for under 2 grand you can have a FAST car.

I agree with Iotus on this one(who said that?).Get a custom manifold for a turbo and run a 12a blowthru style and smoke some vettes.I wish I went that route now.

I've had minimal experience with carb turbo setups. But have read about the advantages of different types etc (Maximum boost, by corky bell). But exactly what can you expect out of a 12a blow threw turbo setup? Sounds like good numbers, but i can't imagine them getting that high. At what point would you want to convert to FI for more power? or can the carb sustain just as much?

I'm also interested in this blow-through setup.



What's required part-wise? And what kinda HP numbers can you expect reliably?

Look my opinion go the route i took, had a 12a,swaped for a bridgeported 13b,standard bridge,then threw in a racingbeat holley kit..650 of coarse and headers and a streetstrip cluth. Im running 13's high 12's.

low 13, high 12 second 1/4 mile times??!! with just a bridgeport? i hope you have it in a gutted rx3 with a 9" rear end and a clutchless tranny!!! https://www.nopistons.com/forums/pub...R#>/bsflag.gif https://www.nopistons.com/forums/pub...DIR#>/baaa.gif



i had a j bridge and it was well tuned with a 51 weber, 513 gears open exhaust in a 85 g model rx7, its best 1/4 mile time was 13.7 on full slicks!!!

That is ABSOLUTELY PATHETIC.



I ran 13.9 with a street ported 12A, holley, street tires, and muffled.

Either you can't drive, can't build an engine, or can't tune worth a damn.

uhh, there is a big difference between a 14 sec. car and a 12 sec. car........

anybody can go high 13 1/4 but once you get into the 12 sec range you better have some tricks up your sleeve or a p-port!!



p.s. we have a fast all motor car ...fully gutted 13B p-port full race car that went 11.40 1/4.......but it was a race car, here we are talking about a cheap reliable fast quiet way to upgrade your rotary.............

dollar for dollar, blowthrough is the way to go!!! https://www.nopistons.com/forums/pub...1047683894.gif

Yes, there is. And you claimed your best was a 13.7 with a J bridge, slicks, open exhaust, etc....

What you are saying is that you weren't making any more power with a tricked out 13B than I made with a mild, streetable 12A that I drove every day for years, in rain and snow, and got over 20 mpg.



I'll say it again: That is





<span style='font-size:14pt;line-height:100%'>ABSOLUTELY PATHETIC</span>