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Part Details JP0412
JP0412 - JBP 4340 Forged Steel 84mm Crankshaft
Price: [$1320 (US$1108.80)]
Finally, a crankshaft available for serious modifications. Our forged crankshaft is absolutely revolutionary. The first thing that comes to mind with forged cranks are the ability to withstand large amounts of power, (before they exceed their yield stress). Our crank is the not only forged steel. But also fully customizable. Journal diameters have been made in such a way that you can offset grind the crank to gain a larger stroke. (Additional Fee) Our forged crank also has a customizable crankshaft position sensor timing ring. With this we have the ability to advance your timing right off the crankshaft. You tell us that you want to advance the timing 2degrees, consider it done. Our forged crankshaft is made from 4340 forged steel and is knife edged. So for those worrying about bottom end stability, worry no more. With the customizable nature of our forged crankshaft and all the options available for aftermarket rods, jbody enthusiasts now have that performance edge that only JBP can provide.
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I don't see anywhere where it says this crank is for the 2.2 or the 2200. Sounds like a total waste of money anyhow.
jBody Performance Inc. © 2000-2008
Rebuilding the Chevy 2.2L Engine, Doug Anderson, Automotive Rebuilder, July 2000 wrote:CRANKS
There have only been two crank castings used in the 2.2L engines, but one of them comes in two flavors, so it must be visually identified.
1990-‘95: These engines all used the 1237 casting.
1996-‘97: These engines came with the 4618 casting that is virtually identical to the earlier 1237. They are both interchangeable.
1998-'99: These engines still used the 4618 casting, but the timing notches were advanced by about 0.450", so the later crank can’t be interchanged with either of the earlier ones.
It’s easy to tell the difference between the two 4618 cranks when you see them side by side
With both cranks facing you and the keyways at 12 o’clock, note the location of the notch at the top of each reluctor wheel. If the right edge of the notch is about .500" to the left of the casting seam and located around 11 o’clock, it’s the early, retarded crank.
If the right edge of the notch is right next to the casting seam and nearly straight up at 12 o’clock, it’s the later, advanced crank that came out in 1998. Don’t mix them up, or you will have a comeback.