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Or you could just move to the arctic circle and run a duct to the front grill.

Nick

Nick, have you been watching too much Ice Road Truckers (If not, check out the latest, because the distaff driver, Lisa Kelly, is HOT!) or Deadliest Catch?

I admit to liking Deadliest Catch because although I never did the Bering Sea crabbing, I did crab in Alaska, and spent many miserable hours in the Bering on a Navy special operations ship, considerably larger (by a factor of 50+) than the crabbers, and it really, truly, sucked.

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Originally posted by Rusty:
Mechanical superchargers (a la' the 140HP 68-69 Corvair and some Buick Grand Nationals), added horsepower, but sapped some of it driving the blower. Turbo superchargers provide free boost (almost, because the exhaust restrictions do sap a bit of energy by increasing back pressure.)

Corvair offered an optional turbocharged engine from 63 until somewhere near the end. It produced 150, then 180 hp. That HP was mostly useful at higher RPMs, with the 140 hp 4 carb normally aspirated version being more powerful at street RPM ranges. Once they started to run, it was hard not to go with the flow. They got pretty hot if you ran them hard for very long.

It was a good thing the turbocharged Corvairs had some exhaust restriction, because they didn't use a waste gate, and they developed a lot of boost.

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Originally posted by bill h:
And the Wright PRT.......Oh, my goodness!

Bill, what is that? ...it sounds familiar.

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Originally posted by Bill N.Y.:

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Originally posted by bill h:
And the Wright PRT.......Oh, my goodness!

Bill, what is that? ...it sounds familiar.

Perhaps it sounds familiar because some diesel engines have PRTs.

The Wright PRT was a turbine (three per engine) that used exhaust gas velocity to spin a shaft that fed the power generated back into the engine through a fluid coupling. This increased power and specific fuel consumption.

It could even be called a free lunch, as the engine picked up several hundred horsepower and better specific fuel consumption with no drawbacks, other than the expense to build it and maintain it. The 3350 was not a reliable engine, anyway, and the addition of the PRT added more problems.

Roy?........

Regardless of how anyone may feel about the engine, we need only to look at what planes use them today, and what airplanes use the Pratt and Whitney 2800. At my airline, for example, we scrapped the DC 7s as jets came in, but kept the almost identical DC6Bs, which were powered by the 2800. Our military loved the DC6, but did not buy the DC7. Word of mouth is that experience with the 3350 queered the deal. The DC6, as the C118, soldiered on long (until the mid 80s, at least) after the airlines sold them off. DC6s still operate, while the most 7s are scrap.

However, there is no doubt that when they stayed together (and maintained compression), the 3350 powered the DC7 faster than the 2800 drove the DC6B. Our top wrenches prided themselves on their incredibly rapid jug changes on the 3350s. They had ample opportunities to hone and showcase their abilities.

Oh, oh........this is drifting to an anti-3350 screed.

Bill H... A sincere thank you for explaining PRTs.
Being so old and from the Phila,Pa area the original transportation trolley/elevated system was the PTCs "Phila Rapid Transportation System".
Now known as "SEPTA".I thought Dementia was setting in. Thanxx again..........

a couple of comments above stirred some memories:
like 14 hours aboard a DC 6 from Barbers Point to Alemeda

and I miss my Corvairs, 140HP 4 speed box

"unsafe at any speed" Bull!

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Originally posted by Dick Dubbs:
I miss my Corvairs, 140HP 4 speed box

I guess you are thinking of the later Saginaw box, huh? I liked it best for street, but its ratios weren't wide enough for the 33 inch tires on my dune buggy.

strictly stock 1962 110 hp w/4sp
1963, 1965,1966 140 hp with a/c in though spots, passing or mountains you had to be ready to switch off the a/c they were fun cars for their time never spun out or tucked a rear wheel under

Here's a site that uses the previously cited "Rule of Thumb" on the efficiency boost provided by cooler intake air.

http://aquanic.org/publicat/us...c/efs/srac/375fs.pdf

It is written for agriculture applications, but still applies.

A friend in Palm Desert reported a 32 degree drop in air cleaner internal temperature with a dryer hose intake and some reflective insulation glued to the air cleaner housing. This resulted in less pinging and better hillclimb speed. About 5 mph.

I can't make any hillclimb speed claims, as the 502 breaks CA speed laws with or without cold air intake.

However, my previous 454-powered MH got up the hills without downshifting (or downshifting later) after the free lunch cold air intake was added.

I recall mention in car mags and by hot rodders I knew, ...COLD BOX. I think it preceeded the air cleaner wuzzat?

....I just accessed the site the Bill H referenced above, which I was unable to see earlier, made my head spin! Somebody, please give me the 2 cent version nd maybe some comment on cold box. ............Thanx

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Originally posted by Dick Dubbs:
... Somebody, please give me the 2 cent version ............Thanx

Cold air is more dense than hot air, thus contains more oxygen which makes engines more powerful.

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and maybe some comment on cold box.

I think you mean cold air box. A cold air box is just part of a cold air intake system. Some cold air boxes also act as noise reducers, but I am not sure the box itself does much.

Perhaps, at some RPM ranges, it could act as a resonance damper, but we are getting into arcane stuff like standoff and Hemholz, etc, that would use up the two cents.

...............Sorry Pal...I AM pretty old!
I really do know about the density biz, like a blower at any temp will still produce greater density. I wondered about a simple explanation of the mechanics. like some texters say hehe

mmmm, i did an unintentional 360 while coming off of one freeway getting on to another somewhere in Canada in a 65 Corvair in 1967. Was going just a little bit faster than i shoulda been.

Shadow man ........I just answered....and it disappeared. if you read something about ice and snow, it must have been sent. Ice or snow would be a foregiving factor. 360 also better than 180, at least you could keep going on your course.