A long list but no 4-cylinder.
Thomas
Marc Sayer wrote:
> Adam Bradley wrote:
> > Stroke is 93mm. Maybe you can use an H20 crank in an H25 block and get
> > like 2300cc?
> >
> > At 07:31 PM 8/9/2002 +0200, Thomas - Sweden wrote:
> >
> >>Hmm, I wonder about bore & stroke.
> >>If stroke is over 90 mm I dont want to
> >>be too close if it reach 6000 rpm.
>
> A 3.66" stroke isn't all that bad. Here is a Chevy V8 B&S chart with the
> engines in that stroke range and longer. Some of these can be made into
> pretty high revving motors, 6000 rpm for sure. :-)
>
> 325 = 3.780" x 3.62" ('99-later, Gen.III, "LM7" 5.3 Liter Vortec, 6.098"
> rod)
> 346 = 3.900" x 3.62" ('97-later, Gen.III, "LS1", 6.098" rod)
> 350 = 3.900" x 3.66" ('89-'95, "LT5", in "ZR1" Corvette 32-valve DOHC,
> 5.74" rod)
> 364 = 4.000" x 3.62" ('99-later, Gen.III, "LQ4" 6.0 Liter Vortec, 6.098"
> rod)
> 383 = 4.000" x 3.80" ('00, "HT 383", Gen.I truck crate motor) (5.7" rod)
> 400 = 4.125" x 3.75" (Gen.I, 5.565" rod)
>
> A TR6 had a stroke of 3.74" and they could be made to turn 6000 easily,
> even with their old Brit technology and 4-main cranks.
>
> The issue is going to be the quality of the parts, the weights of the
> parts, and the design parameters for the parts. And there is where you
> may have issues. The motor is a forklift motor, I doubt if it was
> designed to see more the 4000-4500 rpm. OTOH you could use it as the
> basis for a good motor and just upgrade or rework some parts.
>
> --
> Marc Sayer
> Journalist, Photographer, Dog Trainer (APDT member #062956)
>
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>
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>
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>
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>
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>
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