Posted by Indiana Ken on September 29, 2016 at 06:26:38 from (66.249.235.185):
In Reply to: Turbo or not posted by Texasmark1 on September 29, 2016 at 05:07:58:
[quote="CVPost-Texasmark1"](quoted from post at 05:07:58 09/29/16) For altitudes below 1000', why would a person opt for a lower cu. in. turbo charged engine rather than a larger cubic inch naturally aspired engine....133 cu in, 43 hp vs 127 TC 52 hp when trying to decide on which engine and preferring the higher hp?
Does a turbo over nat. asp. cause the engine bearings (bottoms) to wear faster?...."
Typically a turbo charged engine will make more HP, at a lower RPM, using less fuel, than a similar size NA engine. For an engine designed for a turbo, bearing wear would not be a concern. If you want HP and a nice power curve go with the turbo.
The difference in displacement is 4.5 % (reduction) which is nothing. The turbo more than makes up for this using waste heat fom the exhaust to increase the air density in the inlet manifold, note the 21% (increase) in HP.
If HP is the objective then a turbo is the path to it.
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Today's Featured Article - Show Coverage: Argyle and Mt. Pleasant Labor Day Weekend Shows - by Cindy Ladage. The last fling before summer fades into fall and we get busy in the fields are the annual Labor Day tractor shows. Beginning on September 5th and running through the 7th, the Argyle Antique Gas and Engine Show is held at the Argyle State Park. Located in West Central Illinois, the pine forest was the setting for the opening of the 22nd show. This year we decided to try to sell a few tractor parts, literature and wrenches to offset my husband's buying sprees. Saturday
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