steel or aluminum driveshaft?

[Bill Diehl]

Originally Posted by Jim Caughlin

Same issue with lightweight rearend parts, gundrilled axles, alum spool, lightened ring gear, no noticable improvement. On the other hand, lighter weight flywheel and clutch made a huge difference. In my case, this is a 4 cyl motor that crosses the finish line at 9200.

If any gains are to be had you should see it by using all the parts.


You have met the required parameters.... rpm, 4cyl power, ect. all those "should" improve your performance, results speak louder than theory though