#duffee motorsports

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Throwback to March, 2014 at Duffee Motorsports

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Took the Lawman Boss 429 engine to WesTech Performance Group in California a week or so ago with my good friend Brian Duffee. Brian’s shop, Duffee Motorsports, in Glendale Arizona had just completed a complete rebuild of the Lawman’s original 800 mile Boss 429 engine. Machinist Pat Deichert did a masterful job revitalizing the bottom end and Brian worked some magic on a pair of NOS Boss 429 heads to enable the motor to reach a rev limited peak HP of 854.1hp at 6600rpm and 704 lb/ft of torque at 5400rpm. At only 6600rpm and a max boost of 8.9lbs there’s way more in this motor. The curve just kept going up. No point pushing it further as it had already proved itself nicely.

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edit: correction. 427 Chevy built with almost all NOS Chevy parts. 13:1CR Should be one snarling beast.... it's getting ready for a dyno trip soon.

“Snowflake” Winters foundry heads/intake

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Progress on the Plymouth. Just about ready for a good vat cleaning.

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Cougar is SOLD!  Now to get my ‘37 in the shop for an engine/trans overhaul.  Perfect timing as the desert SW summer is breathing down our necks already.

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She’s real fine… Rare 1965 409 here in the shop....

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This stroker 390 FE is ready to go. Just indexed the bell housing and thankfully it's within spec! #longlivetheFE

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Flathead in the shop yesterday.  This should be fun....

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Vintage 427 Corvette in the shop for a go-through

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1957 Maserati 3500 GT main caps.

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Duffee built custom ‘57 convertible

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Yesterday Duffee finished up some LS heads while I buttoned up my transmission swap for my F250 (FMX to C6), and then we both headed out to meet Justin (http://www.dpcustomcycles.com) for lunch at “the ole standby” in New River, AZ.

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‘63‘67′69

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Duffee has the Cosworth head done. Just need customer's camshafts for valve geometry and ready to reassemble

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Duffee's resurrecting a damaged Cosworth head. Head is welded up, and now a template of a good chamber is being cut to match head chamber size.