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4.360 bore w/ 440-1s with 2.25 valves, .760 lift?
#2151158
09/09/16 05:13 PM
09/09/16 05:13 PM
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Joined: Feb 2004
Posts: 2,073
Tulsa, Ok
WadeMetzinger
OP
top fuel
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OP
top fuel
Joined: Feb 2004
Posts: 2,073
Tulsa, Ok
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Does anyone know if you can use 4.360 bore w/ 440-1s with 2.25 valves, .760 lift cam?
I will test it with the block bare and light testing springs but wondered if it has already been checked and not worth me even checking..
Wade Metzinger 918-809-0987 71 Cuda 9.28@145 -1s, Pglide 68 Cuda 10.64@124 1.45 60's 318->390 eddys Moparts discount code on WIX - moparts www.Filter1.com
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Re: 4.360 bore w/ 440-1s with 2.25 valves, .760 lift?
[Re: WadeMetzinger]
#2151164
09/09/16 05:22 PM
09/09/16 05:22 PM
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Joined: Apr 2005
Posts: 1,505
TN
SCATPACK 1
pro stock
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pro stock
Joined: Apr 2005
Posts: 1,505
TN
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Wade
My block is 4.375, but I do have plenty of clearance with 2.25 intakes and 1.81 exhaust at 720 lift
Jerry
Old Geezer Racing
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Re: 4.360 bore w/ 440-1s with 2.25 valves, .760 lift?
[Re: WadeMetzinger]
#2151244
09/09/16 07:37 PM
09/09/16 07:37 PM
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Joined: Aug 2003
Posts: 43,172
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,172
Bend,OR USA
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I have ran those heads with the bigger valves like your asking about on several different motors, they cleared okay but I don't remember by how much  You know the drill , when in doubt, always check it out  I used modeling clay to check the side clearances in the valve pockets and look down the ports with a bore scope to check the cylinder wall to valve clearances, that is not real accurate as far as eye balling it goes   IHTHs
Last edited by Cab_Burge; 09/09/16 07:38 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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