oldhemiguy
Active Member
Bought a car I'm doing a Dick Tracy on think its magnum motor how can I tell thank you guys for helping always had big blocks
Sorry but I'm new
- Thread starter oldhemiguy
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Huh? Photos are needed.
Serpentine belt on front = Magnum.
May be not.
Best if he crawls underneath and looks for casting numbers and dates on the block.
Professor Fate
Push the button, Max...
Count the valve cover bolts. If there's 10 on each cover, it's a Magnum.
If there's 5, it's an LA or a Magnum with LA covers (yes, they fit).
Look on the sides of the block, there should be "Magnum" engine mount bosses at mid-block:
A Magnum will also not have a provision for a mechanical fuel pump on the timing cover, unless it has been swapped for LA parts.
The dead giveaway are the engine mount bosses.
If there's 5, it's an LA or a Magnum with LA covers (yes, they fit).
Look on the sides of the block, there should be "Magnum" engine mount bosses at mid-block:
A Magnum will also not have a provision for a mechanical fuel pump on the timing cover, unless it has been swapped for LA parts.
The dead giveaway are the engine mount bosses.
Magnumswap.com
Magnum valve covers have extra bolt holes compared to the LA small blocks, even though the LA valve covers will still bolt on the Magnum heads.
And Magnum heads can bolt to a LA block. Many here have done that. Even if you pull the intake and see a roller cam it could be a LA. Best to get the numbers off the block.
Professor Fate
Push the button, Max...
No LA block (even the rollers) have the Magnum mount bosses.
oldhemiguy
Active Member
Thanks for the help no engine bosses on driver side only numbers I can see because of headers on passenger side cast 63072
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