1968 C10 Project "The Twin"

[CAMAROBOY68SS]

Originally Posted by MS66

Excellent build! Love the Med. Blue Poly color(same as my '68), and off white pieces. Go ahead and pull that wallet out again and go with a Tremec 5 speed. Just remember to go easy on the cam because cruise rpm is likely gonna be 2k or under with the 3.42/5 speed OD ratio. Go roller cam so you won't get caught with your pants down when you can't afford the correct oil to run a flat tappet camshaft these days. As you're finding out with the 327 that you bought, flat tappet cam sets are hit and miss lately, sad thing too. Great truck!

The oil is not the problem as my 68 Camaro and 33 Ford pickup are both running flat tappet cams. I keep plenty on hand, lol. I have a L79 cam that I put in my Camaro ran for like a year (maybe 300 miles) and then pulled out for something else. I kept the cam and lifters in a marked box so I can put it back together and that's the plan for the truck motor now. I've had buddies now having trouble with brand new rollers eating themselves due to poor part quality.

Based on my math with a couple different calculators and I should be 2200/2300 with the OD, plus swapping to the 5 speed I can give my grandfather back the 4 speed to mate up with a 396 he just picked up.