RX7 drawing me back...
#1
Newbie
Thread Starter
Join Date: Mar 2005
Location: minnesota
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
RX7 drawing me back...
Hey everyone! My first car was an '86 RX7. Absolutely loved that car (despite being expensive to fix), but was totalled in a head on collision. Now I've been into vw watercooleds and jeep offroading for a few years, but the RX7 bug has always been there.
Now I'm pondering another 2nd gen but I want something with more punch AND it has to be reliable. Someone was telling me about a three rotor 'cosmo' engine? Will this physically fit in the engine bay (with some accessory/radiator relocation) and mate up to the stock transmission in a 2nd gen? Where can you find these motors and the associated intakes/exhausts/fuel,spark management? I'd prefer a nonturbo for reliability and longevity, since a car that breaks down every week is no fun. If this is a fesible swap let me know, or if it's just insanely complicated point me in another direction. Hope to hear some great feedback!
Hamilton
Now I'm pondering another 2nd gen but I want something with more punch AND it has to be reliable. Someone was telling me about a three rotor 'cosmo' engine? Will this physically fit in the engine bay (with some accessory/radiator relocation) and mate up to the stock transmission in a 2nd gen? Where can you find these motors and the associated intakes/exhausts/fuel,spark management? I'd prefer a nonturbo for reliability and longevity, since a car that breaks down every week is no fun. If this is a fesible swap let me know, or if it's just insanely complicated point me in another direction. Hope to hear some great feedback!
Hamilton
Last edited by The_Hamster; 03-18-05 at 12:24 AM.
#3
King of the Loop
yes the swap is very possible and rewarding but your looking at around $10,000 to get it in there. A swap more within reach is the 13b-re. Its a 2 rotor twin turbo form another cosmo. Kinda like a 3rd gen engine for the 2nd gen. Cheaper and easier to do. may never have the same potential but more bang for your buck IMO. then again I still consider myself a newb.
#5
I am 2Furious
Join Date: Sep 2004
Location: NJ / Philly
Posts: 846
Likes: 0
Received 0 Likes
on
0 Posts
Plenty of punch in your turbo 2. What is your HP goal? 600? 700? Have lots of money? Then go for the swap. Otherwise, the turbo 2 will serve you plenty fine. I generally consider 400 as the upper limit of the turbo 2.
More info on swaps can be found at http://www.fc3spro.com/TECH/SWAP/swap.html
More info on swaps can be found at http://www.fc3spro.com/TECH/SWAP/swap.html
#6
Newbie
Thread Starter
Join Date: Mar 2005
Location: minnesota
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
I'd like a naturally asperated motor (for reliability and longevity) and I hate turbo lag. The stock motor in '86 was rated at 150hp I believe, so if I could get 220hp or so that would be great. I'm getting motor designations mixed up, since it's been 8 years when I last had my head under a roatry hood. How about the motor out of an RX8? I beleive those are about 215hp and nonturbo?
Last edited by The_Hamster; 03-18-05 at 11:03 AM.
Trending Topics
#8
Pistons... Bah!
Join Date: Nov 2004
Location: Redding, CA
Posts: 272
Likes: 0
Received 0 Likes
on
0 Posts
The 3 rotor cosmo engine are called 20b's and are all turbocharged from the factory. I think you could remove the turbos and everything but that seems like a waste. The horsepower limit for a NA motor is about 200, after that it becomes rather economically unfeasable to continue. A peripheral port NA can reach 300 hp but they are generally considered unstreetable and eat gas.
Thread
Thread Starter
Forum
Replies
Last Post