im thinking about putting a turbo in my 91 honda civic HB. i need some more information on if its a good idea or not.
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Turbo lag at low rpms. You have to lower your compression ration and can only use high octane fuels in most cases, expensive to run. Expensive.
You can run it with normal 9:1 compression ration cars, but you have to be careful. Use only the highest octane rated fuels. NEVER BUY CHEAP. Your car WILL ignite prematurely BEFORE TOP DEAD CENTER. That means warped crankshaft, possible cracked engine block. You also must keep the manifold pressure at 5 psi or under. I believe thats what was suggested.
If you want to be unrestricted in your turbo use, bring the compression ratio down to 7:1 to 8:1, the closer to 8, the more dangerous but more power, its a trade-off. you can then run it between 15 and 30, if I remember correctly
The only reason why anything would affect the transmission dramatically enough is if you have a gain of more than 150 horsepower or so than stock. You would need a new one.
You also have to watch the exhaust back flow, that can cause the turbine to spin backwards, which is bad. I dont know how to fix that.
You may need an intercooler.
You will get between 25 and 40 hp on average, as opposed to a super of 15 and 30 hp. Better high rpm power. More efficiency, less gas for more bang.
only way it effects the transmission or in your case a transaxle is if you made the engine produce more horsepower and torque than the transmission is designed to work with, if you somehow with a honda then it will just wear the transmission out faster and if you stomp on it enough times it will just completely go out on you, but just a turbo a couple smaller things shouldn’t make too much power for the transaxle so you should be alright
also you should get an aftermarkey exhaust, your putting more air in so you need a better flowing exhaust to get the air back out
As said above, more power more torque the more stress on the parts involved with getting that power made and to the ground. Your trans should be fine, you would maybe want to look for pistons and internal injen mods down the line. Air intake and exhaust a must.