What Is an Oldsmobile 455-Inch Big-Block? - MotorTrend
WEBNov 17, 2022 · Westech Performance dyno tests a 455-inch Oldsmobile big-block from the muscle-car golden age that puts out big-torque across the rpm range.
The History Of The Oldsmobile 455: GM's 'Other' Big Block ... - DrivingLine
WEBFeb 23, 2021 · Dive into the Oldsmobile 455 big block's details, and it's easy to see why this V8 had such a broad appeal—and why it continues to present excellent value for hot rodders and classic car restorers alike.
455 is running hot as in overheats - Oldsmobile - Technical
WEBJan 27, 2003 · One more thought, once the engine is running, take off the oil fillcap and smell the blow-by. If it smells sweet, the block is typically cracked in one if the cylinders at a water jacket on the piston pin sides, typically the thinnest part of the casting.
455 olds oil blowby - Hot Rod Forum
WEBSep 11, 2011 · 654 posts · Joined 2010. #2 · Sep 11, 2011. Pull a valve cover and see if the push in breathers are shielded as in some cases I have seen the rocker arm in area will spray right at bottom of breather and out the breather on to the v. cover. If shielded then definitely ring seal, just needs hours of run time or vented ststem to recovery tank.
Olds FAQ -- Engines - ClassicOldsmobile.com
WEBThe G-block Olds 400 (1968 - 1969) has the worst bore-to-stroke ratio of any American V-8 ever made. Period. The undersquare 455 isn't too great, either. Of course, the Olds 350 has about the best bore/stroke ratio of any GM 350 motor. [ Thanks to …
pros and cons of an olds 455? | The H.A.M.B. - The Jalopy Journal
WEBDec 31, 2008 · I was offered an olds 455 when I happened to mention to a friend that I was looking for an olds rocket for the REO but I have heard they have a tendancy to chew up cam bearings, is this true? or is there a better or more economical olds motor for …
California 455 Olds - MotorTrend
WEBNov 15, 2023 · BLOCK PREP. Use any '67 and up 41/8-bore 425 or 455 block. The only difference between the two is in the reciprocating assembly, with each motor having different internals: 455s have a 4.250...
Dyno Testing a Mondello 455 Olds Big Block - Horsepower S13, E8
WEBAfter launching their classic Olds 455 engine build at the home base of "Dr. Olds", Joe Mondello - Joe and Mike finish their buildup and test results on the ...
Everything You Need To Know About GM's Trio Of 455 Cubic
WEBJul 15, 2021 · Each of these 455 big blocks has become a legend in its own right. How are they different, and which cars helped make them famous? We've got the entire spectrum of GM 455 big block V8s covered with in-depth dives into their origins, mechanical details, and legacies. Oldsmobile 455 V8 Big Block
Olds 455 Big Block - Jp Magazine - MotorTrend
WEBMay 24, 2014 · When choosing an Olds core, the 455 will have "396021 F" or "396021 Fa" cast in the front of the block between the manifold and the water pump. Sonic checking is required to overbore out to...