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1971 Olds S71 New Diesel Block

The engine choice has changed a little on the Olds S71 project. It's still an Olds motor, but we've decided to run a 350 Diesel block based engine because of its much higher strength. We sourced a DX block from a running 1981 Olds 98 Regency and pulled it apart to see what's inside. These pics show the internals of the Diesel block and the large webbing and overall meatier guts of this block. It's also a factory roller lifter setup. Below you can see the stock 350 block (gold) for comparison. The new recipe as outlined by Bill Trovato at BTR Performance calls for an offset ground Olds 425 crank, high-strength big block Chevy rods, custom pistons, MAHLE coated bearings, and a trick Comp Cams valvetrain to build a 428 cubic-inch Olds stroker. We're running Edelbrock aluminum heads and intake, an MSD ignition , and a complete FAST EFI system on the car.

Above are the 350 Diesel DX block photos, note the thick main webs and the heavy walled construction of the block.

These are the stock Oldsmobile 350 block photos, the thinner webs are easily visible here.

You'll find more pics in the V8TV Forum!

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» 1 Comment

1Comment
at Thursday, 20 November 2008 21:11by andy o

also there is a place in waterford winsconsin that is called rocket racing. it is a oldsmobile shop that makes racing engines for only oldsmobiles.

http://www.rocketracingp erformance.com/

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