Originally Posted by Chris916
Interesting. Everything ive read says that the frame rails need to be notched. Im going to dry fit the motor before bolting everything up so ill find out soon enough! Did you keep a/c or get rid of it?
I deleted AC. If you are keeping the AC you will need to notch the RH frame rail to fit the compressor.
The engine will fit in the E30 without AC compressor and headers no problem.
There are 2 other possible reasons to modify the frame rails.
1. Use the V8 rad. You will need to notch the LH and RH frame rail. I wouldn't recommend this at all. Buy an aftermarket rad that fits the E30 and a good fan.
2. Pocket the LH frame rail to use the 540 booster bracket and linkage. This also requires cutting the strut support.
If you are serious about building a track/race car then you don't need AC, go boosterless, and use a aftermarket rad with good warranty support. Try and keep the structure of the car as stock as possible.