What you know about a 91 Pete

Discussion in 'Ask An Owner Operator' started by 1991Pete, Oct 9, 2008.

  1. 1991Pete

    1991Pete Bobtail Member

    I'm looking at buying a clean 91 pete with a 425 detroit 9 speed transmission any good or bad things I should know about this trucks I'mm looking to put some 4:11 or 4:33 in it to hauls some logs ........it has a sleeper on it as well.
     
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  3. 550hpW900L

    550hpW900L Road Train Member

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    I wouldnt buy it for the engine, those early detroits werent to good.
     
  4. stranger

    stranger Road Train Member

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    Probably DDEC I, maybe DDEC II, both very obsolete. All of the electronics work just the reverse of DDEC III and above.

    Try to go for late 1994 and above. DDEC III is probably the best electronics. DDEC IV is good also.
     
  5. MedicineMan

    MedicineMan Road Train Member

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    it would be a 435 not 425. and the last thing you will want in the woods is a 9 speed. think 15 or 18 speed. you need the low gear splits offroad
     
  6. 550hpW900L

    550hpW900L Road Train Member

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    The DDEC1 was a 425 Al.
     
  7. MedicineMan

    MedicineMan Road Train Member

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    you sure?? I don't think so. Actually I thought the first ones were like 400 max then the next models were 435. we had then both but it has been a long time ago
     
  8. stranger

    stranger Road Train Member

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    Early 90's 12.7s were 425 HP. I almost bought one about 12 years ago.
     
  9. 550hpW900L

    550hpW900L Road Train Member

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    Yeah, the DDEC1 was 425hp max, they never made a 435 rating, 430 then 470. When DDECII came out they went to a 430hp rating.
     
  10. MedicineMan

    MedicineMan Road Train Member

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    ya 430 is what I meant. I guess the 400 I was thinking of was the 425 then. my bad:biggrin_25512:
     
  11. 1989 Pete

    1989 Pete "Pine Tree Eater"


    Medicine MAn why would the 9 speed be bad for the woods.....I know rolling around with 85000k on you is never good but lets say I have a 9 and a 13 what maks the 9 bad for the woods.

    Thanks
     
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