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cam with tbi ?'s

Discussion in 'The Garage' started by edman87, Jan 3, 2003.

  1. edman87

    edman87 Registered Member

    Oct 26, 2002
    Likes Received:
    BAton Rouge, LA
    cam with tbi ?\'s

    I am planning to rework my stock '87 tbi blazer's motor. It will probably be bored.030 over(not sure because it is not disassembled yet)and has the stock tbi.I do not know the original cam specs. I want a slightly beefier cam for idle to 3500+- rpm, mostly for low end. It will still be a daily driver and occasional warrior. I am looking at a summit cam package with the following specs.:
    204 intake- 214 exhaust duration at .050"
    .420" intake- .442" exhaust lift
    112 degrees lobe separation
    Will this cam cooperate with stock tbi and computer?
    I think that this is just mild enough to not have any problems, but I am not sure as I have never swapped cams in a tbi motor before. I really do not want to have to have everything re-progammed. I need opinions and suggestions. Above all this must be reliable and not cause driveability problems. Thanks,ed
  2. florida4x4

    florida4x4 1/2 ton status

    Sep 9, 2002
    Likes Received:
    Re: cam with tbi ?\'s

    the best bet is to call summit and ask but I think you'll need more lobe seperation cause TBI needs really strong vacumme signal at low RPM.

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