Slant Six Forum :: 4340 Billet Crank

Ok on the rods and pistons. Thats is a good setup already and it will hold all together even with a stock forged crank.

But think this for the future: if you are going to consider ordering a custom crankshaft dont fall short ordering a custom crank beeing tie to production or aftermarket readly available rods and pistons!!! If you do that you wil bel not taking all the advantages of a custom crank and you should since that is big money already. At that point consider a full custom bottom end!!! Were you chan choose journal size,stroke, rods size and piston size in every way!!!

Maybe you can put together the bottom en wity the parts you already have for a start and prepare a custom short block latter.

About oil mods great you think that way! Is the best setup you can have!

Now how about camshaft and valvetrain? What type of parts are you considering?

Author:	Dart270 [ Wed Sep 02, 2015 7:56 am ]
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Perfect! Are Chevy 250 bearings more available than Slant 6 bearings? Probably not the case here, but I have never checked. Some folks here have used Honda 4cyl rod bearings - many types/materials/qualities available. Might be some more modern and widely produced inline 6 or 4 to consider too... Lou

Author:	Landons65Dart [ Wed Sep 02, 2015 2:53 pm ]
Post subject:
Quote: Ok on the rods and pistons. Thats is a good setup already and it will hold all together even with a stock forged crank. But think this for the future: if you are going to consider ordering a custom crankshaft dont fall short ordering a custom crank beeing tie to production or aftermarket readly available rods and pistons!!! If you do that you wil bel not taking all the advantages of a custom crank and you should since that is big money already. At that point consider a full custom bottom end!!! Were you chan choose journal size,stroke, rods size and piston size in every way!!! Maybe you can put together the bottom en wity the parts you already have for a start and prepare a custom short block latter. About oil mods great you think that way! Is the best setup you can have! Now how about camshaft and valvetrain? What type of parts are you considering? Yeah you're right about the crank. I was also thinking about ceramic coating the combustion chambers as well for less heat transfer. For valvetrain I was thinking a roller rocker setup @ 1.6 rocker ratio. Run some big stainless valves and call it good.

Author:	Polara1974 [ Wed Sep 02, 2015 3:39 pm ]
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Quote: Yeah you're right about the crank. I was also thinking about ceramic coating the combustion chambers as well for less heat transfer. For valvetrain I was thinking a roller rocker setup @ 1.6 rocker ratio. Run some big stainless valves and call it good. About ceramic coating the combustion chamber I've never seen that myself so I cant tell about the benefits but I'll be worried about the coating loosing.. Its not tye sake heat as exhaust and also you got moving parts inside the Chamber... But maybe it's an already tested stuff... So... I'm just speaking my tyougths out here. About tye valvetrain that sounds good.. Maybe 7mm stem valves to get the most cc out of the port that will be good for turbo flow... How about a steel cam and roller rockers?

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