Print Page - did 68 MO blocks have 2 or 4 bolt main caps?

Title: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: jsg1010z on January 27, 2009, 10:42:35 PM

I have searched the forum for the answer to this, but no luck... thanks for your help!

Title: Re: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: JohnKY on January 27, 2009, 11:01:53 PM

2 bolt.

Title: Re: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: Jerry@CHP on January 27, 2009, 11:35:03 PM

2-bolt with windage tray.

Jerry

Title: Re: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: hotrod68 on January 28, 2009, 12:26:16 AM

As a general rule, no '68 small-blocks had 4-bolt caps, 302 or otherwise. The 4-bolt blocks didn't appear until 1969. Hope this helps.

Title: Re: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: mjbake on February 03, 2009, 01:06:57 PM

OK I'm still learning. What is MO?

Title: Re: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: Gramps69Z on February 03, 2009, 04:13:13 PM

MO would be the engine code stamped on the block for 67 and 68 302's.

Title: Re: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: 1968RSZ28 on February 03, 2009, 04:19:21 PM

Quote from: WYKOFF69Z on February 03, 2009, 04:13:13 PM
MO would be the engine code stamped on the block for 67 and 68 302's.

In 1967 "MO" was the engine application suffix code for 302s without smog. ;)

In 1968 all 302s where stamped "MO".

Paul

Title: Re: did 68 MO blocks have 2 or 4 bolt main caps?
Post by: Gramps69Z on February 03, 2009, 04:31:20 PM

MP would be for smog on 67's.
Thanks Paul,

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