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Re: 92 Bluebird, want to put in 290 cummins by Mike Beckham
Post New Message Hello Robert. I will give you my 2 cents worth on this subject. I am a factory trained Cummins mechanic with 14 years experience, but have left the mechanic side of it to drive 18 wheelers, due to a back injury. Many things come into play in a swap like this.These are the questions you need to answer before trying to do the swap. 1.) What do I hope to gain? ( more power, better mileage etc.) 2.) Will you present tranny and bellhousing bolt to the Cummins 290? ( probably not.) 3.)I am sure there is a huge weight difference between your 5.9 and the 290 Cummins,and factor in a differnt bellhousing and clutch, and maybe a big truck tranny, that weighs a 1000lbs by itself. you could easily add 2000lbs. to the front of your bus. 4.) A "skoolie" usually has a very low geared rear axle (5:13 to 6:17 is common). A 18 wheeler rear axle is anywhere from 2:90 to 4:10. The 290 Cummins is governed to 2100 RPM, with a 5:13 rear axle you would have (maybe) a 60 mph bus. IMHO a better choice would be a diesel from a medium sized truck like a ford 8000 dump truck, or as Phil suggested a DT466 International engine.The key is to get the whole truck as a donor if possible to use the tranny and maybe the rearend. The 290 swap can be done, but it would really be a challenge.I don't want to discourage you, but having done some wild swaps, you need to know what to look for. Good Luck, Mike.
All Messages in ThreadAuthorDate
Post New Message92 Bluebird, want to put in 290 cummins Robert 4-26-05  
  Reply to MessageRe: 92 Bluebird, want to put in 290 cummins Phil Feinstein 4-27-05  
  Reply to MessageRe: 92 Bluebird, want to put in 290 cummins Mike Beckham 4-28-05  
  Reply to MessageRe: 92 Bluebird, want to put in 290 cummins wrench 4-30-05  
  Reply to MessageRe: 92 Bluebird, want to put in 290 cummins ryan l. 10-8-09  
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