Thread: I Need Lots of Tall Deck BBC Info

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Originally Posted by pat mccarthy

i am using a srp with a1.270 CH an cutting .060 off the top keeps the $$ down no one makes a pistons for the 4.375 thats is a self piston that i know of the block i will hone out this week and have the mass spining in it soon the last three of them that i had help some customers on were custom ross and diamonds pistons

How thick does this make the piston deck?

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Originally Posted by pat mccarthy

the pistons for a 9.800 dsck sould be for the 4.375 is 1.228 or so so if the block has been cut more than more would have to come off the 1.270 the dome move up no big deal here more cr thats good and there is some there to cut off .050 on the tops there is not to much there may have to go in and fly cut the intake side it has a 4-7 swap roller cam 278@050 and 780 lifte on a 108 should be some thing ?

Will this engine have a std. style head on it or something like an 18* ''BIG CHIEF"?

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Originally Posted by pat mccarthy

a set off merlins 320 work over that should do the job for this small engine

The reason I asked was that seems like a lot of lift for that amount of duration.Are you running a 1.8 rocker?

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Originally Posted by pat mccarthy

.i will have to get back to you i thinking of a 548 that i am doing to that cam is 4-7 swap .808 774 280 288 on110 the other one is 4-7 swap and 750 with out lash or so and 278 on 108 have to get back on that cam my mind is swiming sorry

No need to be sorry.
Last night I was so mixed up on the Mark IV or Mark V block thing.
To many numbers.

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So 4.375 is the max stroke on a low deck right?

How much torque will I lose going from a 511cid tall deck to a 513cid low deck?

What cam profile and compression ratio should I use for a good street motor planning on 500+ hp?

So 4.375 is the max stroke on a low deck right?

How much torque will I lose going from a 511cid tall deck to a 513cid low deck?

What cam profile and compression ratio should I use for a good street motor planning on 500+ hp?

So 4.375 is the max stroke on a low deck right?

How much torque will I lose going from a 511cid tall deck to a 513cid low deck?

What cam profile and compression ratio should I use for a good street motor planning on 500+ hp?

So 4.375 is the max stroke on a low deck right?

How much torque will I lose going from a 511cid tall deck to a 513cid low deck?

What cam profile and compression ratio should I use for a good street motor planning on 500+ hp?

So 4.375 is the max stroke on a low deck right?

How much torque will I lose going from a 511cid tall deck to a 513cid low deck?

What cam profile and compression ratio should I use for a good street motor planning on 500+ hp?