The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 02-21-2018, 03:58 AM   #1
stsalvage
Scrapper 1
 
stsalvage's Avatar
 
Join Date: Jan 2007
Location: Riverside Calif
Posts: 1,649
Re: Do factory truck small blocks usually come with steel cranks?

Some peole don't under stand the difference.Most 350 cranks had a thine seem line on the back of the crank where the fly wheel goes.The Hipo steel crank had a wide ground down kinda smooth line.So if you have a cranks with a small raised line that's a cast crank.The one with the wide grained smooth Is a steel crank .Here is a trip all of the Sm block 327 had steel cranks the large Jernal ones had ether one.Here is nother crazy one to add to the Mix If any of you have a 307 block put a 350 crank in it you now have a 327 large jernal 327 they put out some HP like in the 1966-67 nova's
stsalvage is offline   Reply With Quote
Old 02-21-2018, 09:15 AM   #2
Mike C
Registered User
 
Mike C's Avatar
 
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,714
Re: Do factory truck small blocks usually come with steel cranks?

Quote:
Originally Posted by stsalvage View Post
Some peole don't under stand the difference.Most 350 cranks had a thine seem line on the back of the crank where the fly wheel goes.The Hipo steel crank had a wide ground down kinda smooth line.So if you have a cranks with a small raised line that's a cast crank.The one with the wide grained smooth Is a steel crank .Here is a trip all of the Sm block 327 had steel cranks the large Jernal ones had ether one.Here is nother crazy one to add to the Mix If any of you have a 307 block put a 350 crank in it you now have a 327 large jernal 327 they put out some HP like in the 1966-67 nova's
Actually, you put the 307 crank in the 350 block and that gives you a 327. I have a 4 bolt main 327 in my Jimmy. Large journal cast crank and 4 bolt main ‘72 truck block. My buddy had a 4 bolt main 327 he swapped into his ‘70 Z/28 and it was made, with all things, a steel crank from a 307 that was in a boat!
__________________
44 Willys MB
52 M38A1
64 Corvette Coupe
68 Camaro 'vert LT1 & TH700
69 Z/28 355 12.6's @110
69 Chevy Short Step 4 1/2"/7" drop
72 Jimmy 4WD 4spd 4" & 35's
02 GMC 2500HD 4x4 Duramax
Mike C is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 05:35 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com