JAYK

what are the specs for a stock torque converter on my 94 LT1,cant find any mention in any of the manuals

vader86

Its lockup is at around 1400-1500rpm, which is inadequate for the LT1.

pletner

What is a good stall speed for a auto with 2.59 gears and is a street car only?

vader86

street only, 2200-2400

track only, around 3000

for something in-between, 2600 is what I'd use

JAYK

anyone know the exact figure,is ther anywhere where this figure is documented

pletner

Thanks Vader86

shotchkiss

Should be a sticker on the converter with a 4 letter code, I copied this info from another site.


1st Digit = Transmission application
D = 1984-1/2 and up 700-R4, 4L60, 4L60E
C = 1984 and earlier 700-R4, 200-4R, 200C, 325-4L
B = 250C, 350C

2nd Digit = K-factor (stall speed)
K = K-85, 1211 rpm
G = K-100, 1397 rpm
F = K-110, 1611 rpm
E = K-115, 1654 rpm
B = K-140, 2025 rpm

3rd Digit = Clutch and Damper assembly
C = ? (stock '86 'vette)
H = ? (stock '94+ Impala)
L = ? (stock '95+ L35 Vortec S10 truck)

4th Digit = Rear cover
C = 3 lug round
D = 3 lug round
E = 6 lug
F = 3 lug square
G = 3 lug square