Search and you shall find. There have been tons of posts on here and on www.inliners.org about T-5 trannies. They're a good choice, but it all depends on your setup, and what you want from your truck.

All T-5s are not the same. Overdrive is the main reason for the T-5. Click below and look at my reply (jjk3) for T-5 links.
http://67-72chevytrucks.com/vboard/showthread.php3?t=120002

Good luck. John


1968 Chevy C-10, 250 and 3 speed on floor, Hedman headers, Offy intake, Edelbrock 600cfm 4 barrel, HEI
1966 Chevy C-10, motor and tranny went into the '68. Waiting to be restored.