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Old 04-30-2011, 10:18 PM   #11
jltait
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Join Date: Mar 2010
Location: Eaton Rapids, MI
Posts: 97
Re: 87 Crew Cab 454/TH400 to Cummins/NV4500

With the front engine preparation complete I then reinstalled the rear engine adapter plate and the flywheel with new flywheel bolts. I suggest eating your Wheaties if you are going to toss one of these flywheels around! Also note this is a 1st gen '89-'93 Getrag G360 flywheel, They did not come on nv4500 but with a few mods work just fine. I went this route because it allowed me to a).Keep the starter I already had b).keep the engine adapter plate I already had. c). It allows the use of the 1st gen engine adapter plate which is 1" narrower than the 2nd gen plates that were factory equipped with nv4500's. I thought that 1" difference may give me some valuable additional firewall clearance during the conversion. And finally d.) because they allow the use of the better 1st gen 13" clutch and pressure plate. 2nd gen's had a weaker 12.25" clutch according to the dodge guys. 2nd gen clutches can be readily upgraded but it gets pricey real quick.
..Jason
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