Prowler V6

[Dan Plaskett]

The easiest way to distinguish between cast and forged crankshafts is to
look at the parting line.  A broad surface indicates a forging.  A thin line
indicates a casting.  If the crank is out of the car tap it with a hammer
(not on the journals please).  If it rings like a bell it is forged.  A
casting will respond with a dull thud.  (Courtesy of Small Block Chevy
Performance by Dave Emanuel)
-----Original Message-----
From: Shannen Durphey <shannen at grolen.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, June 02, 1999 9:58 PM
Subject: Re: Prowler V6


>eclark at hoser.com wrote:
>>
>> On Sun, 30 May 1999, Shannen Durphey wrote:
>>
>> > Bad rumor to put any faith in.  Many 4 bolt Chevys are cast crank.
>> > Post 86, only steel cranks are in LT1, LT4, and ZZx series engines
>> > (ok, ok, smallblock, 5.7, gen II engines).  Also use powdered
>> > connecting rods, prone to sudden failure rather than bending, but much
>> > stronger until they break. ; )  Ligenfelter Perf. Engineering is
>> > selling some of this stuff that they pulled at low mileage to build
>> > some stronger engines.
>>
>> I just put a new oil pan on my '93 f-body LT1, and it sure didnt look
like
>> a steel crank.  It looked like ever other cast crank i've seen.
>>
>> -Eric
>Whatsa forged crank look like in the car?
>Shannen
>