3dinter
01-21-2012, 08:43 AM
350 turbo with 2.52 x 2.56 = 645
350 turbo with 2.75 first gear x 2.41 = 662
350 turbo with 2.52 x 2.73 = 687
700r4 with 3.06 x 2.29 = 700
350 turbo with 2.75 first gear x 2.56 = 704
700r4 with 3.06 x 2.41 = 737
700r4 with 3.06 x 2.56 = 783
This is in first gear only, with a 450 cam rule, stock heads/srings with 1.94 & 1.50, stock gm cast iron intake, 4v relief piston, stock cast exhaust, 4412 Holley on a 3000 lb dirt car w/Hossier slicks on 3/8 to 1/4 mile semi banked tracks in Central Texas.
last year we ran a 350 w / 2.41, 2.56 & 2.73 rear gear and got about 5900 to 6700 rpm, depending on what intake we used. "Quad Stock cast, Stock Cast marine and Stock Cast Z-28 high rise"
WHICH WOULD BE THE BETTER TRANS AND WHY ??
350 turbo with 2.75 first gear x 2.41 = 662
350 turbo with 2.52 x 2.73 = 687
700r4 with 3.06 x 2.29 = 700
350 turbo with 2.75 first gear x 2.56 = 704
700r4 with 3.06 x 2.41 = 737
700r4 with 3.06 x 2.56 = 783
This is in first gear only, with a 450 cam rule, stock heads/srings with 1.94 & 1.50, stock gm cast iron intake, 4v relief piston, stock cast exhaust, 4412 Holley on a 3000 lb dirt car w/Hossier slicks on 3/8 to 1/4 mile semi banked tracks in Central Texas.
last year we ran a 350 w / 2.41, 2.56 & 2.73 rear gear and got about 5900 to 6700 rpm, depending on what intake we used. "Quad Stock cast, Stock Cast marine and Stock Cast Z-28 high rise"
WHICH WOULD BE THE BETTER TRANS AND WHY ??