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Old 08-07-2016, 04:42 PM
Survivor 69/Z28 Survivor 69/Z28 is offline
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Default Re: L78 Hydrolic Roller

How concerned should I be with oil on the spark plug threads? Weird thing is it doesn't smoke at all.
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Old 08-07-2016, 05:29 PM
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WILMASBOYL78 WILMASBOYL78 is offline
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Default Re: L78 Hydrolic Roller

Those are impressive figures for an L78 setup....having the exact specs on the cam and compression ratio would be helpful. Also, were the heads modified at all??

Your torque might improve a little with a smaller primary tube size on the headers...but, 500@ 3500 rpms is very good...much more than I would ever predict for those cubic inches.

As for the rear end gears...I would swap the trans for an M21 or M22 and keep the 4 series gear.

Hopefully you can post more info on this build...I'm sure we would all like to see the dyno sheet.

Good luck.

wilma
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Old 08-07-2016, 05:47 PM
earntaz earntaz is offline
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Default Re: L78 Hydrolic Roller

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Survivor 69/Z28</div><div class="ubbcode-body">How concerned should I be with oil on the spark plug threads? Weird thing is it doesn't smoke at all. </div></div>

Are you sure the oil is not from the rocker boxes leaking? TAZ
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