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Incidentally, it was reported that when they made the speed run, they didn't get out of 2nd gear( Super, in a Turbo HydraMatic transmission )Larry
My dad's 86' Winnebago Elanden 34' with a 454 was all stock and pulling a 20' enclosed trailer with 4 quads in it I had it up to the low 90's several times on the flats between Phoenix and Yuma going to the dunes.
The GMC spoiler was added, the 454 dyno tuned and the more than 5 ton Class A headed down the salt flats.
That doesn't seem like that big of a feat. My dad's 86' Winnebago Elanden 34' with a 454 was all stock and pulling a 20' enclosed trailer with 4 quads in it I had it up to the low 90's several times on the flats between Phoenix and Yuma going to the dunes.
Maybe I'm missing something, but what the point of doing 102.7 mph in a motorhome?
because you can
A note on the Olds oil starvation. I can't speak specifically about the olds engines but the caddy 472 and 500's have bearing journal so large in diameter they tend to wipe the oil film off the bearings at high rpm's. I mention this because I had heard they used some caddy motors in the GMC motorhomes.....don't know that to be true and hope someone might enlighten me.
I can't say about the Caddy engines, but the Olds oil galleys that feed the main bearings are 3/8" diameter. At High RPM they don't have enough flow/pressure with a standard oil pump. The fix is placing bore reducers into the mains.I learned all this after spinning a rod bearing in my 1970 W-30.
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