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Old 08-22-2013, 10:24 AM   #6
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Re: nv3500 bolted to a sb400 ?

Fragile is in the application. The NV3500 will take 300ftlbs of torque so higher revving HP isn't a problem... Low range wheeling or towing heavy is where you'd get into trouble. In most applications you don't "need" the higher torque capability of the NV4500.

The flywheel has nothing to do with the input shaft. Your pilot busing is in the crankshaft and the splines engage with the clutch hub...

Where you might run into trouble is the outside diameter of the 11" flywheel or the housing of the 11" pressure plate contacting the integrated bellhousing. The only way to know is assemble and do a rotational check. The pressure plate can be fixed by using a 10" clutch kit.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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