Got my hands on a 2.2 destroked forged koffel crank. Dont really know much about i was wondering if anyone else did. I do know its destroked to 2.0 elegidle made for the escort races of the 80's.
Got my hands on a 2.2 destroked forged koffel crank. Dont really know much about i was wondering if anyone else did. I do know its destroked to 2.0 elegidle made for the escort races of the 80's.
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
That's a nice piece. It needs a Masi head to go under.
John Laing
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Haha working on it
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
Pretty...
6 bolt or 8? Check the journals very closely, has it been welded and offset ground to destroke it like the IMSA 2l cranks? I spent way too much converting one of those to fit into a common block
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That crank is junk, I'll take it for scrap price
JT
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8 bolt I belive cant remember ill check in the morning when I get to the shop and im quite shure its not a cut and reweld. I have 2 cranks both are destrokes both were from koffels but both are different in design. Ill take a few more pics in the morning
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
pics side by side.... MP made one too.
JT
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JOIN SDAC and your local Chapter TODAY! - SUPPORT the CLUB that supports YOUR HOBBY!
87 Shelby Z - 10.50@141.66mph
87 CSX #751 Clone - 12.88@102.88mph
www.badassperformance.com
Check out Turbo-Mopar Times!
Submit your 1/4 mile times HERE!!
Support SDAC! Join Today!
"I'm not some pro athlete with a bajillion dollars, I'm just an every man"
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Anyone here ever ran a destroked crank like this? Wondering how they preform
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
You can tell in the pix it's not a re-ground stocker and I'm guessing a 4340 just from the looks of it as it has the same color and finish as any other aftermarket 4340 crank I typically see (doesn't mean I'm correct, though)
The rod throws (exterior parts) have a nice smooth finish vs. the rough forged surface of the stockers.
Kick-azz setup with a light rod/piston combo and of course.... really good flowing head and manifold combo.
Originally Posted by 22mopar
Steve
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The other crank the weights are shaved down Id guess for less rotating weight
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
I know of two people on this forum that are building destroked 2.2's, but I don't think either one is running yet. Nice crank! It's a odd one like Pat's forged 2.5. How much does it weigh? I believe Pat's 2.5 came in at around 36lbs. Pretty light for a forged crank.
Todd
Ill toss it on the scale in the morning
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
Ok heres the pics of the 2 crankes side by side. Both are 8 bolt the date on the one labled " koffel sample" is 10/87 the other is 5/90
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
Look like early style snouts to me. Are they around .900" or 1.000" diameter on the snout? They don't look like lightweights to me. Pat's 2.5 was made by Velasco. Knife edged a lot.
Todd
Ill measure them tomarrow and I agree there not light weight versions
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
Both crankes are the .9 snouts
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
will that crank work in a tall deck block without goofing around with the seal retainers?
that plus some light strong long rods and forged pistons would scream pretty good.
Brian
---------- Post added at 06:10 PM ---------- Previous post was at 06:06 PM ----------
oh yeah, slap a t3 head on there and rev it so that the valve springs can do the high rpm job that they were designed for.
Brian
You would need to find a early block or one of the fairly rare replacement Mexican casting blocks (# 4501851) for it to be a bolt in. #851 blocks have the CB webbing in them but still use the early pan, crank, etc. I have one, as does Shadow.will that crank work in a tall deck block without goofing around with the seal retainers?
that plus some light strong long rods and forged pistons would scream pretty good.
Brian
---------- Post added at 06:10 PM ---------- Previous post was at 06:06 PM ----------
oh yeah, slap a t3 head on there and rev it so that the valve springs can do the high rpm job that they were designed for.
Brian. Alan converted his crank over, but he spent plenty doing it. Did you figure out what they weigh?
Todd
Just put it on the home scale and it showed 40.4lbs
HOOSIER SDAC vice pres. 1993 IROC R/T 1 of 90 emerald green 1985 DC SHELBY CHARGER 1985 DC TURBO Z DAYTONA
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