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914 Engine Swaps

03-20-2004, 11:54 PM
Has anyone swapped in a B18 or B16 into the 914 engine bay? I have found a places that sell the engine to transmission adapter kits, but no one selling any motor mounts. I have a CRX right now, but the 914 is sitting out under the cover in the arizona heat. My CRX is getting near 40mpg with the A/C on, where as the 914 was getting may be 20mpg. Now if i could put that 40mpg engine into that great handling 914, I think i would be one happy college kid.

Engine Adapter: http://www.kennedyeng.com
Custom Radiator for the swap: http://www.renegadehybrids.com/914.htm
Honda B16/B18 Shop: http://nippon-motors.com/honda.htm
Honda Wiring Diagrams: http://www.integra.orcon.net.nz/manuals
Porsche Body Parts: http://www.gt-racing.com
Can't forget cheap parts on: http://www.ebay.com

Feel free to send me an email at sppiii@cox.net
Any contacts, websites, would be of great help.

03-22-2004, 12:29 PM
:banghead: no one has replied at all.... I plan on doing this mod, my main question is the engine mounts. The stock 2.0 uses a little mount and only one, the B16 and B18 have a mount oneach side if I remember correctly. If I have to, i i'll make a sub frame for the engine, like Renegade Hybrid does for thier V8 conversion.
:eek2: Does any one have pics of the V8 Conversion sub frame?

05-12-2004, 10:32 AM
Check out www.914club.com (http://www.914club.com/)
you will get replies there

05-23-2004, 03:20 AM
I think you will have to make your own subframe to mount a honda engine, as the mounting methods are completely different, and there isn't enough demand for anyone to be making mounts for the conversion.

05-24-2004, 09:24 AM
Check out
For a rotary swap. It may give you some ideas. Making the motor mounts is not that difficult. Making them pretty is harder.
I suggest you go for it.

05-25-2004, 08:38 AM
My swap of choice is a 964 or a 993 3.6 liter engine, with a little work. The 914 is pretty light, so you don't need a tremendous amount of low end torque, a 3.6 with a fairly agressive cam profile is still quite driveable on the street in a car that has been lightened to 1600lbs.

Along with a set of headers, some porting and a set of high butterfy manifolds, 340hp is quite reasonable to expect.

A big advantage of sticking with a Porsche engine is that it remains air cooled, meaning you don't have add the weight of a radiator, water and all of the plumbing necessary, making for a lighter car. Besides, you don't need more power than that in a 1600lb car.

Granted, a 3.6 is pretty expensive, but the 911 SC 3.0 is quite a bit cheaper, and still makes 200hp stock.

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