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Frankenstein 3400 grand am questions,

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  • Frankenstein 3400 grand am questions,

    I swapped a 3400 and 5 speed transmission into a 96 grand am coupe, its awesome to drive but i want to do more work. A lifter is ticking or it collapsed and the pushrod is tapping the rocker arm so im going to dig back into it soon and i have a few questions.

    1st question is would the 3500 top swap be better then using 3.4l hyper-eutectic pistons with the 3400 heads? Also being used is a lx5 65mm TB, 3500 upper intake, and a 93 octane tune. Of course i would get thicker gaskets to drop the CP ratio to 11.5-11.0:1.

    2nd question is can i use something as high as 1.7 ratio rockers on the stock cam and have valve clearance still? I have to pull the engine back out just to replace the cam...
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