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Angle plug heads with TRW dome Pistons? #2512143
06/23/18 01:03 PM
06/23/18 01:03 PM
Joined: Jan 2003
Posts: 260
Slinger WI
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MadMez Offline OP
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MadMez  Offline OP
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Slinger WI
My 383 has the old TRW dome pistons. Can I use angle plug heads or will that not work with the spark plug clearance trough in the piston dome?

Re: Angle plug heads with TRW dome Pistons? [Re: MadMez] #2512421
06/24/18 12:54 AM
06/24/18 12:54 AM
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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Cab_Burge Offline
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Cab_Burge  Offline
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Bend,OR USA
Every motor out there are not the same on deck height or combustion chamber sizes, you need to check yours first to find out the correct answer shruggy twocents
I do know one local Mopar M.W. racer that switch to a set of aluminum heads with angle plugs from the original stock iron M.W. heads and he had to cut the side of the piston dome a little to clear the angle plugs, this was on a 440 motor with a set of Indy SR M.W. heads shruggy

Last edited by Cab_Burge; 06/24/18 12:55 AM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Angle plug heads with TRW dome Pistons? [Re: Cab_Burge] #2512667
06/24/18 05:40 PM
06/24/18 05:40 PM
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Posts: 260
Slinger WI
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MadMez Offline OP
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MadMez  Offline OP
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Slinger WI
Thanks Cab, I'll stick with the 906s for now and get them shaved. This started when I took the heads off to check the CR and found its 9.8 to 1. Now I know why it was never fast as I thought it should be.

Re: Angle plug heads with TRW dome Pistons? [Re: MadMez] #2512764
06/24/18 09:47 PM
06/24/18 09:47 PM
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usa
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lewtot184 Offline
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lewtot184  Offline
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usa
if those piston domes are what I think they are then they shroud the plug badly. the fire slot doesn't seem to help much. I ran some back in the day for a little while. bet I lost 30hp with them.







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