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Thread: Differences?

  1. #1
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    Default Differences?

    Whats the big difference between the 3400 heads and 3500 heads? I found a whole 3400 top end, and need to know if its worth getting. The main question is the 3400 head should work right?

    3.4L with some goodies
    custom paint with a touch of 1978
    http://www.v6f-body.com/showthread.php?t=3065

  2. #2
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    Anyone out there in v6 land? I read somewhere sayin the ports on the 3500 heads are different than the 3400.

    3.4L with some goodies
    custom paint with a touch of 1978
    http://www.v6f-body.com/showthread.php?t=3065

  3. #3
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    The cc is smaller on the 3500 heads. U need to use 3400 pistons with 3400 heads

    93 3.4 Firebird
    Pacesetter Headers, Flowmaster 80, Comp 1.6 RR, Custom Cam, Cloyes 2x Set, P&P Heads & Intakes, Ram Air Intake, Posi Rear w/3.42's and Disk Brakes, OBD-1 Swap.
    Cam and Heads by 60Inclusive.com Tune By Wot-Tech.com

  4. #4
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    ah I see, well I found the upper and lower intake for 10 bucks im thinking of grabbing it up.

    3.4L with some goodies
    custom paint with a touch of 1978
    http://www.v6f-body.com/showthread.php?t=3065

  5. #5
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    3500 heads flow way better than 3400. 3500 lim flows better mid range and the same top end flow. Use 3400 pistons with either head unless you get a cam with a lot more duration to blow off compression.
    The cc size should be the same. Shape maybe not, a 3400 is 9.6;1 with either head(3500 3400).

  6. #6
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    I thought the 3500 intakes are too tall to fit under the cowl?

    The Famiry: 96 3.8 Camaro, 94 3400 swap Chicken 96 3.8 Firechicken, 87 5.0 IRoc, 95 Lt1 swap 3.4 Camaro, 95 Z28, 93 Trans Am RIP

  7. #7
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    3500 heads 3500 lower 3400 upper and it should fit

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