Have been asking about what standard shift flywheel will fit my 1977 ASTRE 2.5l duke motor , and got alot of looks but no answers .
I still have some components of my 1969 Nova 153 cylinder motor , and I dug out the original crank shaft finally . I bought this Nova in 1978 with the 153 and torque drive tranny . Tuned it well and it got 32 MPG on the highway .
So if anyone ever has the need , I can tell you without any doubt that the Bolt Pattern on the 1977 2.5l IRON DUKE is IDENTICAL to the 1969 Nova 153 Crankshaft .You can take that to the bank .
So I will be putting on a 10.4 clutch and a 153 tooth ring gear standard flywheel off a small block chevy with internal balance .Hooking to a 1986 T5 tranny .
I will also try a 250 6 cylinder front balancer .