Web14 nov 2024 · we have great luck with alum blocks and a 4.600 ish bore in a 4.840 block. We have done iron and alum versions of the same motor, and they are within 20. Shit my alum 565 goes 7.70s in 8500' air, so its obviously making power Iron always will make more due to being more rigid, but if its 80-100 hp, something is wrong somewhere. Web14 feb 2013 · I have a Donovan D500 BBC aluminum block that I want to bore the lifter bores for the .904" lifters. I talked to Donovan but they are too busy with building their new blocks that they don't do and repairs or modifications anymore.
A Chip Off The Old Block: Aftermarket Blocks Are More Versatile …
Web28 lug 2013 · I have a very nice d-500 donovan aluminum 9.8 deck bbc block that has been in storage since 1995. It has very little run time on it. It was run as a 4.135 bore, 3.3 stroke, twin turbo engine for a specific class . It is one of about 10 or so that i bought out of storage a few years ago that were run in 1995. Web1 mar 2006 · Well, Donovan has been making Aluminum blocks for over 30 years, and most drag racers tend to use it. I wonder who gave you the advice about World … certumcryptoagent-kwalifikowany.exe
About Donovan Engineering - Donovan Aluminum Engine Blocks
WebChevy SBC 350 3/8" to 7/16" DONOVAN Aluminum Block Head Stud Kit. Opens in a new window or tab. AT RACING WORLD, 5 Million Orders Shipped Worldwide. Brand New. $173.40. Buy It Now. Free shipping Web2 apr 2010 · All Donovan blocks are cast, B356 ingot aluminum using a strontium modifier and proprietary heat treat. Donovan offers blocks with anodizing finish for marine use or hipped for highest performance uses. More racing blocks come from CN blocks, which also offers billet aluminum BBC in 4.840?, 4.900?, 5.000?, 5.200?, and 5.300? bore spacing. Web24 ott 2012 · Donovan Engine Blocks 9 out of 10 based on 270 ratings. Ed Donovan introduced the specialized aluminum engine block for nitro drag racing in 1971; the "Donovan 417" was based on a 1958 Chrysler 392 hemi. Black's aluminum engine blocks would dominate the market by the end of the decade. Dart Machinery Joins as Title … cert triage