Need some opinions on mods
03-09-05, 06:54 AM
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Another Newbie
Hey im very new to rotary engines and this site also lol and i was just wondering.. i have an 84' GSL that i just picked up in amazing condition with a 12a engine(carbed if you didnt know that already), what are some mods that i can make to get it up to the 200+ hp range anything would help!!! 
Last edited by rx7owner; 03-09-05 at 07:11 AM.
03-09-05, 07:39 AM
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03-09-05, 01:36 PM
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If you wanna keep the 12a get a dellorto 48mm side draft carb (2 barrell) with a racing beat intake mainfold. racing beat header and then finish the exhaust from there. racing clutch (exedy) do a large street port the 12a, done right right, it should about double the horse power. You can also get a 13b tranny out of a gsl-se. make sure you get the tranny out of the se. you could also find some one to custom make you a short shifter.that's what i did.
03-09-05, 07:57 PM
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Originally Posted by rx7_1
If you wanna keep the 12a get a dellorto 48mm side draft carb (2 barrell) with a racing beat intake mainfold. racing beat header and then finish the exhaust from there. racing clutch (exedy) do a large street port the 12a, done right right, it should about double the horse power. You can also get a 13b tranny out of a gsl-se. make sure you get the tranny out of the se. you could also find some one to custom make you a short shifter.that's what i did.
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03-09-05, 08:07 PM
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Originally Posted by rx7_1
If you wanna keep the 12a get a dellorto 48mm side draft carb (2 barrell) with a racing beat intake mainfold. racing beat header and then finish the exhaust from there. racing clutch (exedy) do a large street port the 12a, done right right, it should about double the horse power. You can also get a 13b tranny out of a gsl-se. make sure you get the tranny out of the se. you could also find some one to custom make you a short shifter.that's what i did.
if you are new to rotaries you should have someone build you a streetported 84/85 13b, get out your checkbook! it swaps right in. then you need an exaust setup and carb/ intake setup. for the 13b to go in you will also need a new cross member ( no problem). if you do find an se take the disc/posi rearend not the tranny. the tranny is the same as the one you have now just with a higher 5th gear. 200 hp from scratch in a first gen is xpensive, so if you want a nice project
and have time and money go for it, if time and money are an issue you are probably better off buying a car that is already worked out. an even more reasonable goal would be 160 out of your 12a. take off your ac and rats nest get a carb and intake and a rb header and exaust. then do your suspension and youll have a real nice decently fast ride. a $1000- 1500 project right there.
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