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custard-rallye

Pocketing 106 Gti Pistons For A 645 Cat Cam

By custard-rallye, in TU Engine Maintenance and Performance Upgrades

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custard-rallye    25

custard-rallye
Posted

as title says i have a 106 gti bottom end and im putting a 8v vtr head on it to get higher compresssion how much will i need to pocket the pistons so my valves dont hit the pistons with a 645 cat cam

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Sandy    191

Sandy
Posted

About 1mm, but it depends how much the head has been skimmed.

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