View Full Version : V8 Crankshaft Differences

05-04-2008, 06:43 PM
Specifically, without tearing my engine apart to verify, is it possible that during a rebuild by the PO the could have the crankshaft been changed and what would the differences be? Were different cranks cut with differnt keyways?

My previous post about timing marks has me wondering if the crank is from a different Stude V8. BTW, with the damper installed there is about 3/4" ( a guess useing my fingertip ) from the face of the damper to the end of the crank. I did check the original damper's part number and it is for an R2.



05-04-2008, 09:15 PM
It has been said here that the only crank with a different keyway loc. is the early '55 "224", I just can't imagine an Avanti with one of those, 259 maybe, but 224? [:0][:0]

If it has the long end "snout" to accept the big triple crank pulley and R2 Dampener it has to be a late '62-'64 259/289 Crank, and they all have the same keyway loc.

StudeRich -Studebakers Northwest Ferndale, WA

05-04-2008, 09:27 PM
Best way is to set up a degree wheel, make a piston stop from an old spark plug and degree it in. The big speed shops will have timing tape or you could figure out the diam. of the pulley and make your own marks.

05-04-2008, 09:45 PM
Bill Patterson was kind enough to send me pictures of his R series damper and the mark is in the same spot in relation to the keyway as my new damper and one of the marks on my old damper.

I will have to go to the degree wheel but I'm dying to know why it is like it is. It's obvious that the problem has been there for some time as my original damper not only has two marks but lots of "scratch marks" suggesting frequent attempts at figuring out where the TDC should be on the damper.

Thanks All



05-04-2008, 10:17 PM
My avanti r1 only has the one mark similar to your picture. I also have a degree indicator plate that goes from 0 to 24 degrees. It is attached to the timing cover with the 0 toward the bottom. According to my books, an R1 is set to 4 btdc @ 650 rpm and an r2 is set to 24 btdc @ 1600 rpm. Both of these settings are with the vacuum advance disconnected and plugged at the carb. Do you have the degree indicator plate properly installed?

05-04-2008, 11:12 PM
I thought about that...but isn't it attached permanently to the timing cover? The pictures Bill sent me show the timing plate on his car and it looks to be in the same spot as mine. Next time in the garage I'll take a good look at how it's attached.



Allan Songer
05-05-2008, 12:51 AM
quote:Originally posted by bige

I thought about that...but isn't it attached permanently to the timing cover?

Nope. Two tap screws. Hex head. But I don't know how anyone could screw up the install . . .