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Old 12-28-2017, 10:48 AM   #1
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SVT rods & pistons in a Zetec. What CR ?

According to my machine shop, my SVT rods and pistons are "still in like new condition", so I want to use them in one of my regular Zetec engines that I already have torn down.

My question is: Does anyone know if my SCR will go up if I stay with a Zetec head gasket? And if so, how thick of a gasket would I need to go with to stay as close as I can to 9.5:1?



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Old 12-30-2017, 06:44 PM   #2
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Why not use the svt engine.
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Old 01-01-2018, 09:47 AM   #3
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Yes it will be higher compression , you would need to CC your head and do the math and see what your compression would be

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Old 01-03-2018, 07:13 AM   #4
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Quote:
Originally Posted by pasta View Post
Why not use the svt engine.
I kind-of misworded what I wrote. The SVT rods and pistons are just going back in the block they came from, but I have a Zetec head to put on it.

This build is for my boosted ZX3, thus the Zetec head, but, I don't plan on ever running the SVT head anyway. I already have a Zetec in my SVT now, and I'm gathering parts to boost it.
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Old 01-03-2018, 07:19 AM   #5
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Yes it will be higher compression , you would need to CC your head and do the math and see what your compression would be

Tom
Thanks for the tip Tom.

I noticed you mentioned in an older thread that the Hastings 2C4992 ring set fits SVT pistons.

I noticed they only mention 3 rings per piston in their pack, but, Tasca and others show the "official" SVT ring set to be 4 rings per piston.

Is the 4th ring not needed with the Hastings kit?
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Old 01-03-2018, 06:42 PM   #6
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Havent used that # in a long time , there should be 4 rings in the hastings or there always was

Tom
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Old 01-03-2018, 09:38 PM   #7
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sorry, wrong thread

Last edited by funtruk; 01-03-2018 at 09:38 PM. Reason: wrong thread
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Old 01-04-2018, 05:05 AM   #8
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Quote:
Originally Posted by 1turbofocus View Post
Havent used that # in a long time , there should be 4 rings in the hastings or there always was

Tom
Is there an alternative kit # from them? Or did you mean brand? I don't want to pay Ford $200+ for $50 worth of rings if it's not necessary. I'm only going to be running ~12lbs of boost. ............... or, maybe 20lbs. Bwahahaha!
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