cc of a 5.3 stock head
#1
cc of a 5.3 stock head
Can anyone tell me the cc of a stock 5.3 heads. Have my set of heads done and need the info. jwcej@msn.com
Thanks and God Bless Our Troops and the U.S., John Junkins
Thanks and God Bless Our Troops and the U.S., John Junkins
#3
Originally Posted by Richard@WCCH
They should cc at around 61cc in stock configuration.
Richard
Richard
Thanks again and God Bless Our Troops and the U.S., John Junkins
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#8
Thanks Guys I'm having a set done as we speak. I bought a used set of Katech heads and was having them cleaned and checked. I was wondering how much was milled off them. They were 853 heads to start with. The machine shop said they check by cc the heads. I need to know what the 5.3 heads cc were to compare and to see how much if any needs milled off. THANKS AGAIN!!!! jwcej@msn.com
Thanks again and God Bless Our Troops and the U.S., John Junkins
Thanks again and God Bless Our Troops and the U.S., John Junkins
#9
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John the best way to check them is to measure the deck height to short bolt hole height. On a stock head it should be close to 1.6"
Most of them time the chamber is a few CC's larger after porting so if you really want to know how much is milled check the short bolt hole to deck.
Most of them time the chamber is a few CC's larger after porting so if you really want to know how much is milled check the short bolt hole to deck.
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just measure it. Go to a drug store and buy a syringe(sp???). See how many MLs/CCs it takes to fill it up. There is your number. Be careful when it gets to the top as water will overfill on the sides. You will get within about 1cc with this method.
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Originally Posted by BrentB@TEA
John the best way to check them is to measure the deck height to short bolt hole height. On a stock head it should be close to 1.6"
Most of them time the chamber is a few CC's larger after porting so if you really want to know how much is milled check the short bolt hole to deck.
Most of them time the chamber is a few CC's larger after porting so if you really want to know how much is milled check the short bolt hole to deck.
Dan
#14
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Originally Posted by DanZ28
Brent, is that 1.600" exact and the same for a 5.7L head? Out of curiosity I just measured mine at 1.579". I was supposed to have .035" shaved off the heads (not your heads), but only looks like .021" off. Definately throw my CR out of whack from what I thought it would be.
Dan
Dan
Thanks!
-Jeremy
#18
Let me know, thanks!!
*Also, I did the other measurement from the valve cover plane to the deck plane and it actually is parallel... I got about 7.4XX all over the place. I'm about 99.9999% sure my heads aren't milled.
Jeremy, I measured my old 853 heads and the short bolt side is 1.60" it was consistant on all bolts. Hope this help.
Thanks, have a great Sunday and God Bless Our Troops and the U.S.,
John Junkins
*Also, I did the other measurement from the valve cover plane to the deck plane and it actually is parallel... I got about 7.4XX all over the place. I'm about 99.9999% sure my heads aren't milled.
Jeremy, I measured my old 853 heads and the short bolt side is 1.60" it was consistant on all bolts. Hope this help.
Thanks, have a great Sunday and God Bless Our Troops and the U.S.,
John Junkins
#19
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Originally Posted by John Junkins
Originally Posted by GTA91
Let me know, thanks!!
*Also, I did the other measurement from the valve cover plane to the deck plane and it actually is parallel... I got about 7.4XX all over the place. I'm about 99.9999% sure my heads aren't milled.
*Also, I did the other measurement from the valve cover plane to the deck plane and it actually is parallel... I got about 7.4XX all over the place. I'm about 99.9999% sure my heads aren't milled.
Thanks, have a great Sunday and God Bless Our Troops and the U.S.,
John Junkins