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Old 04-19-2021, 02:54 PM   #21
383bigblock
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

Who are the go-to guys for engine machining, transmission building, etc?
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Old 04-20-2021, 04:41 AM   #22
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

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Originally Posted by 383bigblock View Post
Thank you for the replies. West coast guy here. Who are the mopar guys to deal with for engine machining/building? Ive heard different names over the years just not sure who is still around for stock engine builds. 727 OR 904 behind a 400ci stocker? 8 3/4 or dana? Thank you.
Our 400 Mopar short blocks was built by Gregg Luneauk at Tri City
Performance in Vista Cal. It is 1 Second ++ when we need it to be!

Must run 727 as 904 will not bolt in without Illegal Adapter.
Pro Trans in Waco Texas did the Transmission.

We break a lot of very good 8 3/4 in that heavy a car. 73 Roadrunner @ 3800 Lbs
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Old 05-04-2021, 02:11 PM   #23
383bigblock
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

Thanks for all the replies. John what rear gear do you run?
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Old 05-05-2021, 02:11 AM   #24
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

Believe it or not: 4.56 Dana with 94 Cir Goodyear Radial
Shift @ 5900 to 6000 RPM
Not a High RPM Combo!

Gregg Luneauk does our Short Block
Brad Van Lant does our heads
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Last edited by GTX JOHN; 05-05-2021 at 02:15 AM.
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Old 05-24-2021, 01:01 PM   #25
383bigblock
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

Would a 383 block bored .060 over be legal.
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Old 05-24-2021, 05:04 PM   #26
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

Yes, for a 383.
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Old 05-24-2021, 06:37 PM   #27
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

You might want to think about a filled 400 block as well.
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Old 05-24-2021, 11:15 PM   #28
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

Quote:
Originally Posted by GTX JOHN View Post
Believe it or not: 4.56 Dana with 94 Cir Goodyear Radial
Shift @ 5900 to 6000 RPM
Not a High RPM Combo!

Gregg Luneauk does our Short Block
Brad Van Lant does our heads
What's the RPMs through the traps?????
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Old 05-25-2021, 12:08 PM   #29
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

6600 @ 119
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Old 05-27-2021, 10:49 AM   #30
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Default Re: Stock 1975 Dodge Coronet. Mopar guys.

A dana 60 for the back. Before you machine or choose an engine combination look at ring availability. The 360 with the factory 4.00" bore will have a better selection of piston rings than the 4.340 bore of the 400. Dont forget to look at rod selection on the approved list and if they are available.
Just some thoughts.
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