5.3 PtV Issues
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5.3 PtV Clearance - will it work?
I'm looking at buying a set of 5.3 heads (862 castings i belive is what they are).... I will have the 2.0 intake valve cut into them to use the vavles from my 241 castings. What i'm wondering is, will i have piston to vavle clearance issues with my cam - its a PP 232/230 .580/.580 110LSA...?
Also, is there any sort of pushrod length change or antyhign when going with this type of setup? What kind of power increases can i expect in general? What head gaskets shoudl i get? Any milling options available w/o having issues?
Also, is there any sort of pushrod length change or antyhign when going with this type of setup? What kind of power increases can i expect in general? What head gaskets shoudl i get? Any milling options available w/o having issues?
Last edited by SonofaBish; 07-07-2006 at 11:47 AM.
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oh, and i was looking at a guys 5.3's on here, but they are milled .030 with 2.02 and 1.6 valves. I would really like them, but i'm probably guaranteed to have to notch the pistons right?? I really dont' want to get into that - i'm not THAT mechanically inclined to go griding into my pistons - dont trust myself enough....
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Gotta measure, I do believe that valve drop on unmilled 5.3 with 2.00 valve is less than stock LS1 (don't know for sure though).
Gunnar at PATRIOT should know.
Gunnar at PATRIOT should know.
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any other thoughts from anyone? gunnar said that i SHOULD be okay but i'd like a few more opinions from you cam/head gurus!
cliffnotes: i want to put unmilled 5.3s on with the stock 5.7 valves with the cam in my sig
cliffnotes: i want to put unmilled 5.3s on with the stock 5.7 valves with the cam in my sig
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bump!
just like get some more thoughts!
any calculators out there that can calculate this ptv clearance or give me a good idea?
i guess head gasket thickness is a concern too... don't wanna go too thin and break something when i could have gone GM and been okay
just like get some more thoughts!
any calculators out there that can calculate this ptv clearance or give me a good idea?
i guess head gasket thickness is a concern too... don't wanna go too thin and break something when i could have gone GM and been okay