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Old 01-27-2014, 11:41 AM   #4
kieth
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Join Date: Sep 2010
Location: Tulsa, Oklahoma
Posts: 1,925
Re: 4bt cummins swap

Anyone know the spec's on this engine (hp) max rpm, peak torque. Looks like it would get better fuel mileage with a OD transmission instead a stock 4 speed granny. how about a NV3500 or NV4500.....????they should handle the diesel torque......I always shoot for 65mph at 1800rpm on a diesel engine....someone get me the specs on the engine and I will work up the performance information. Kieth


I looked up the spec's and this little engine will perform rather well, it has the torque performance of a 327 4 barrel engine but is only rated at 2300rpm with peak torque at 1600 rpm. Looks like it needs a transmission with very close gear ratio spacing to keep from falling off its torque curve. Will review and look for a good transmission for this engine........Kieth

105hp@2300 peak torque 265ft/lbs@1600 rpm

Last edited by kieth; 01-27-2014 at 12:00 PM.
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