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| | | Forums66 Topics128,022 Posts1,055,386 Members48,422 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Aug 2007 Posts: 462 'Bolter | | 'Bolter Joined: Aug 2007 Posts: 462 | dont know if i have a 283 or a 327 nos on head are fo4o5wa | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | need the casting numbers to identify things, head casting numbers aren't as useful as block ... block casting number on the driver side rear where the bellhouse bolts on, 7 digit number starting with 3 ... or get the number stamped onto the pad that's at the bottom front of the pass side head that'll tell application
Bill | | | | | Joined: Aug 2007 Posts: 462 'Bolter | | 'Bolter Joined: Aug 2007 Posts: 462 | | | | | | Joined: Aug 2007 Posts: 462 'Bolter | | 'Bolter Joined: Aug 2007 Posts: 462 | THE nos i gave came from pad on block in front of pass side head | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | that code could be a few different blocks, including a 283, still need block casting numbers [and you've got letter 'o's in place of number '0's - F0405WA = Flint, April 5th, 65,68 or 69 truck] Bill | | | | | Joined: Mar 2009 Posts: 788 'Bolter | | 'Bolter Joined: Mar 2009 Posts: 788 | then it would be a 283 as they didn't install 327's until 66 ron | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | then it would be a 283 as they didn't install 327's until 66 ron unless it's from a 68 or 69 or ..... block and head casting numbers tell the story Bill | | | | | Joined: Aug 2007 Posts: 462 'Bolter | | 'Bolter Joined: Aug 2007 Posts: 462 | THIS engine is in a 1968 truck but not original engine.I tend to believe it is a 283 the color is grey i can read the high torque sticker but cant see 283 or 327. I know the grey color is correct color for the 283s. I will get the nos off back of engine | | | | | Joined: Apr 2006 Posts: 506 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 506 | then it would be a 283 as they didn't install 327's until 66 ron I thought it was 1962.... 1962 thru 1967 car & truck block 3789817 & 3782870
-Tom
1950 Chevy 3100 w/ 1956 235
| | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Cars got the 327 in '62, but light trucks didn't get it until '65, and then only on 3/4 and 1 tons, 1/2 ton didn't get the 327 until '66. On the answer at hand, the block stamping code is for a 307, which took the place of the 283 in '68. There was a WA coded 283 in '67, so we really need the date code from the block to be certain.
Bill Burmeister | | |
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