Re: GM V-8 engine families

Posted by Mark - IN. on October 18, 2004 at 17:44:09 from (152.163.101.7):

In Reply to: Re: GM V-8 engine families posted by Can't even use my name on October 18, 2004 at 06:03:02:

Well, you certainly did bring back some memories. Don't know if the other guys car so much for OT's like chevy motors, but guess it beats politics. I didn't know about that Z28. Never understood how the '74 Camaro was somehow considered the same design family as the '70, or second generation. Would've thought '74 on to ??? would've been the 3rd generation.

Don't know how old you are, but do you remember the late 60's Standard oil comercials when they first announced "unleaded gas" in the hey day of the muscle car era? As I recall, even gave a Buick GS away to interest people. That should've been a hint that muscle cars were coming to an end. And maybe wasn't a bad thing if think about it. Shoe-horning Hemis into Darts and Cudas, 428s and 429s into Mustangs, 396s 427s and 454s into Chevys pony cars, then giving the keys to kids like us.

My brother had his '68 375HP 396 Camaro that didn't walk away from Buddy Huffman's 440 six pack Road Runner, it blew the doors oof of it. And then our other neighbor blew my brother's doors off with both his Hemi Road Runner, and then again with his Hemi GTX (that was a nice pair with identical paint jobs). If our other nieghbor Ray got beat with his '69 302 Z28, he put it in his garage and back out in an hour with a built to the hilt 327. The Marshall brothers had their big block Novas and Camaros. Heck, even the widow, Mrs. Gasplin (about 50 at the time) had a '69 station wagon with a 427 and Cragers that would get it, and did. Me? I favored my '68, '69, and '70 ElCaminos and was always swapping in 396s 427s and 454s, but being much younger, did it a few years after them. Just got rid of my last big block item a half year or so ago, gave an L88 manifold to a security guard at the Rt 66 dragstrip in Joliet, and he put it on his two wheel drive 70 Blazer that will pull the front up for quite a distance when he "test and tunes" at the track.

Here's one: Had a buddy that had a '70 402 Chevelle, bored it .030 (.060 over 396), and needed a cam that weekend so that he could run someone on Sunday. Well, he came to me for a cam, and it just so happened that I had a hydraulic Crane just settin still in the box, so I gave it to him as a friend. The cam was for a '68 396 that I had, and had a stiff lift and duration for the street, and it was free to him. He had a lot of money in that motor. Sunday came and went, and Monday I called him to ask how his run made out. He told me that put it all together, dropped it in, fired it up, never gained oil pressure, and spun everything - engine was scrap. A couple days later I realized the problem, and it was my fault. Through '68, the big blocks had a groove cut down the center of the rear cam journal, part of the oiling for the entire motor, first passage off the pump. '69 and newer, chevy got rid of that groove, enlarged the passage to that rear journal, and put a larger hole in the rear cam bearing for lube to it. What that means if you use a cam and bearings from a '68 or older BB in a '69 or newer BB, must solder that rear gallery shut, then re-drill a much smaller 1/16th in hole to restrict the oil flow, otherwise the oil will blow out of the pump through that large passage, large hole in the rear bearing, through that groove in the cam, and never make anywhere else in the motor. I forgot to tell him that, and that expensive build turned into a pile of 412" boat anchor in seconds. To this day, I still haven't told the guy - he'd probably punch me in the face. Ooops, Ha Ha Ha Ha.

Thanks for the memories and good talkin to you. Time to get back to tractors for me.

Follow Ups:

• Re: GM V-8 engine families Can'e even use my name 20:45:54 10/18/04 (0)

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