× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Performance mods for GM TH 325
Posted to Transmission Forum on 7/22/2004 3 Replies

I race an 81 Olds Toro with a strong 455. The racing is short dirt track and done in manual low for the most engine braking.

What are the gear ratios for this trans? Will any parts from its overdrive brother interchange? What parts are stronger? Are the rati... Login to read more.

3 Replies Received (View Replies)