Flycut pistons for MS4 with PRC 5.3 2.5's in TSP shortblock?
03-02-2007, 01:46 PM
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Flycut pistons for MS4 with PRC 5.3 2.5's in TSP shortblock? Im looking at having TSP build an engine for me, I am interested in the 347 short block with the Diamond -2cc pistons, upgraded rings, ARP hardware blah blah blah and using a set of their PRC 5.3 liter stage 2.5 heads, along with their Magic Stick 4 camshaft. Would I need to flycut the pistons for this combo to work? I was thinking of shaving the heads a tad...
03-02-2007, 02:36 PM
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-2cc pistons means they're already notched...so no, you shouldn't need to remove additional material.
The MS4 will fit stock heads w/o flycutting...PRC 2.5's have larger valves which reduces clearance, and I believe TSP has said the MS4 will not clear the 2.5 heads w/o notching.
Originally Posted by Z28LS1camaroguy
im pretty sure you dont need to flycut with the MS4 cam
03-02-2007, 02:44 PM
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Originally Posted by Thimble
The MS4 will fit stock heads w/o flycutting...PRC 2.5's have larger valves which reduces clearance, and I believe TSP has said the MS4 will not clear the 2.5 heads w/o notching.
03-02-2007, 08:38 PM
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Originally Posted by lt1formula2000
I would talk with TSP about it, you could always get a little more relief in the pistons
Haha, I have been but Jason takes 2 days to respond to PM's!
He's been very helpful though, I'm really kinda hoping I do have cracked rings and I need a new engine! 