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Thread: cams for na stock 4age

  1. #1
    Veteran pen15's Avatar
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    Default cams for na stock 4age

    hi all iv ot a question for all you tech gurus whats the longest duration cam you can put into a 4age running a stock ecu and head
    i have heard of a 265 being the biggest you can run on a stock ecu by Sprinterman68 himself but i called camtech today for an inquiry and they said that the 265 was the standard duration on the 4age im a little lost so this would be a great deal of help

    cheers all
    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

  2. #2
    Gone
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    256 is not the standard duration at all,

    Cam Timings -

    Inlet Cam - Duration - Lift

    'Big port' 240 7.56mm
    'Small port' 232 7.1mm
    4AGZE 232 7.1mm

    Exhaust Cam - duration - Lift

    'Big port' 240 7.56mm
    'Small port' 232 7.1mm
    4AGZE 232 7.1mm

    256' is the most lift u can run on a stock ECU

  3. #3
    Senior Member Hen may possibly be a nut's Avatar
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    Have a search on Toymods, I'm pretty sure a friend of mine (cnich82 or similar login) whacked some 272 cams in his stock 4AGE and said they worked and made an improvement. A few years back, so I' mnot sure of details, but he did write something about it.

    Hen

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    Veteran ae86's Avatar
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    yeah 265 is apparently the max duration u can use with stock ecu, but if aftermarket prob alot more of a higher limit like 300's

  5. #5
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    i had 272 8.3lift intake ex is unknown spose to be 288 at this stage in a stock bigport
    the thing hammered didnt have problems.
    ae71 parts for sale stripping 3xae71's and a ke70

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