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

12a performance

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Old 09-28-05, 01:09 PM
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12a performance

Hey i have a question for you 12a guys. a friend of mine has a 1981 12a first gen rx-7 and he is thinking about swaping to a 13bt but it will cost him at least $5700 parts and labour. im trying to convince him to stay with the 12a. I have read the faq and i didn't really get what i wanted. how much would it cost to get a 12a to about 200-250hp. including a rebuild of the engine. he already has exhaust done.

also how does the 12a compare to the 13bt where does it make power up high or in the midrange ect. which is a better streetable car.
Old 09-28-05, 01:13 PM
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12t or bridge port with other mods would get you over 200hp.
im gona say the 13b will be more streetable.
Old 09-28-05, 01:26 PM
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www.grannysspeedshop.com
Attached Thumbnails 12a performance-fe02.jpg  

Last edited by Alex-7; 09-28-05 at 01:38 PM.
Old 09-28-05, 01:37 PM
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Originally Posted by Alex-7

LOL, just terrible
Old 09-28-05, 02:08 PM
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he is thinking about swaping to a 13bt but it will cost him at least $5700 parts and labour.
Are you smoking crack? Or can you not operate a ratchet and set of metric sockets? Heres are real run down of the numbers(I converted I know).....

13B Engine ($20 in my case) or $1800 from hayes rotary $400 from JunkYard
Turbo Manifold for FD3S on Ebay $120
Custom Intake Fabrication (Baily's Metal Fab) $300
Holley 650 ebay $127
T-4 Flange Turbo Ebay $188
12A Front Cover $25 Salvage
12A Oil Pan $20 Salvage
12A Dizzy with Ingitors $15 Salvage
Gaskets Napa $45
Hyalomar Sealant Napa $5
Custom Carb Hood (Bailys Metal Fab) $175
Misc Piping Mitchell Iron $35
Total Cost $1075 or $2855
Experiencing 16 PSI at 8,000 RPM.......PRICELESS!!!!!!!!!
This swap can be done by the average jackass in 18 hours with a basic $100 set of tools from craftsman. Plus a freaking $200 Engine Hoist (which you can rent!)...... Any APE with a haynes manual can swap this...........Your nuts man. Not to sound like an *** or anything, but use your head not your wallet on this one! Its just too easy....Kinda like rebuilding a rotary.....once you do it you wonder why you pay somebody to do it for you!
Old 09-28-05, 02:22 PM
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Some people don't have the space to do work on a car. Personally I think anyone who actually pays a mechanic to do an engine swap is wasting money. If you know how to read, you can swap an engine.

No need for the "smoking crack" comment, shows what level of mantality you sit at.
Old 09-28-05, 02:43 PM
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thats $5700 canadian i take it? for a new 13bt installed? thats not too bad really.
Old 09-28-05, 03:48 PM
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yes i can use a sockets set but i don't have the time to help him out and he was quoted 7000 canadian that includes the engine being rebuilt everything done right

of and i know nothin about rx-7 i have turbo talon im just doing this as a favour to him

Last edited by Goodtimes11; 09-28-05 at 03:50 PM.
Old 09-28-05, 04:24 PM
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Originally Posted by Goodtimes11
yes i can use a sockets set but i don't have the time to help him out and he was quoted 7000 canadian that includes the engine being rebuilt everything done right

of and i know nothin about rx-7 i have turbo talon im just doing this as a favour to him

thats a good price, i say go for it, your buddy will love it.. what shop is doing the work in ca. ?
Old 09-29-05, 01:33 AM
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i beleive its some local manitoba rotor guru . how much would it cost to get the 12a to 225hp? less then $7000?
Old 09-29-05, 02:14 AM
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i say save the hassle, if he's got that kind of money to throw around then do it. like mexico said, he will love it!
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