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Originally Posted by Single cat
(Post 4598094)
Well just got the call from David nickens. We are going to us the dart Pro1 20 451cnc head.Hmm lol
Better yet in it. Lol... |
Yes this is a max effort deal with endurance in mind.
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Heads
Not really sure what TR mean unless it stands for tunnel ram. Here is the head part number 19775090.
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Tunnel ram is Just something I've always wanted to do with a bigger cube engine/engines. Nearly did prior to SC's but next builds will be 598 tall decks. Already had NOS 9.8 blocks and need 900 plus or might as well just take the pontoon out. Have a 12 meter I'm trying to get out of its tracks.
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I have a 55mm with carrillo rods need to machine rods to clear camshaft 4.5 stroke just keep that in mind with the 60mm. Plus the roller bearings will take a bunch more meat out by the oil passage I had to bush my blocks to fix oil leakage problem but I am also .937 lifters.
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My blocks are raised cam also. We are also putting bronze lifter bushings.
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Originally Posted by Single cat
(Post 4598198)
My blocks are raised cam also. We are also putting bronze lifter bushings.
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Originally Posted by 14 apache
(Post 4598164)
That was me on their rite? Was I talking about my 16 big dukes? The short side of the runner is the same length from my big dukes to the 383mc 24* heads. I think the sr20 is to big just my opinion unless its a max effort deal.
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Getrdunn check your pm
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1 Attachment(s)
Originally Posted by hogie roll
(Post 4598248)
i don’t think so. Someone specifically stated min CSA in the 20s was smaller than the most aggressive normal angle stuff.
#1 define low end torque, i.e. how much do you need and at what RPM This is what you saw from yellow bullet from my post a while back. I don't know if that's true or not.#2 bring up the compression ratio to 14.5/15 to 1, and you will pick up the bottom of the torque curve, as well as the middle and top end #3 the SR20 ports have a smaller cross sectional area than the 383 HH MC port #4 call a cylinder head guy you respect, and listen to his recommendations |
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