Gauging interest: Titanium Rods/Nitrided 6G74 crankshafts

[RealMcCoy]

Sorry I didn't make that clear. The crankshafts are turned to 6G72 journal size, just like the other stroker cranks out there. Once that's done, custom pistons and rods (rods can be stock 6G72 length) are required. And the block has to be ground for rod/rod bolt clearance.

So If I buy one of your stroker cranks, I can look forward to spending another $1K or so having the counterweights cut down to fit and heavy metal balanced...

Did you think Ray was gouging customers by charging what he does just because he was the first to do it? That's not a simple cut the journals to fit conversion.

[TurboSinceBirth]

So If I buy one of your stroker cranks, I can look forward to spending another $1K or so having the counterweights cut down to fit and heavy metal balanced...

Did you think Ray was gouging customers by charging what he does just because he was the first to do it? That's not a simple cut the journals to fit conversion.

No it's not simple at all. I looked my crank over thoroughly when I got it back. The machine work alone was $950 iirc and the balancing with mallory was another $650 I think. If I ruin this crank I'm going to cry.

[BaadVR4]

Never meant to imply this was a "simple" bolt in. Anytime you put highly modified components into any engine there will be LOTS of things to consider/modify/re-work. Nor do I imply anything whatsoever about Ray's product or pricing. I only meant to offer just what I stated in the post.

So If I buy one of your stroker cranks, I can look forward to spending another $1K or so having the counterweights cut down to fit and heavy metal balanced...

Did you think Ray was gouging customers by charging what he does just because he was the first to do it? That's not a simple cut the journals to fit conversion.

[MR2]

Well, hopefully the Rods come down in a few years...tit rods would be very very nice!

[MR2]

While I'm thinking...you ever looked at selling inverted exhaust valves for our car?

[BaadVR4]

While I'm thinking...you ever looked at selling inverted exhaust valves for our car?

No, can't say I have.

[Lancelot_GT]

Just curious about this, wouldn't titanium rods necessitate rebalancing the crank because the reciprocating mass has become significantly lighter? So these things would almost HAVE to be sold as pairs just for it to work right. Or do I have a complete misunderstanding as to how it all works together?

[BaadVR4]

Just curious about this, wouldn't titanium rods necessitate rebalancing the crank because the reciprocating mass has become significantly lighter? So these things would almost HAVE to be sold as pairs just for it to work right. Or do I have a complete misunderstanding as to how it all works together?

Rods are sold as sets of 6. And, yes, the rotating assembly (rods/pistons/crankshaft) must be rebalanced.

[Lancelot_GT]

Rods are sold as sets of 6. And, yes, the rotating assembly (rods/pistons/crankshaft) must be rebalanced.

Well yeah, I know they're sold as sets of 6, I meant a set of rods with the rebalanced crank as a pair of parts that go together.

[BaadVR4]

Well yeah, I know they're sold as sets of 6, I meant a set of rods with the rebalanced crank as a pair of parts that go together.

Sorry, I misunderstood your post. As for balancing, the pistons (including rings/pins) are balanced with each other, the rods (including bearings) balanced with each other and then the crankshaft is balanced to the rod/piston assemblies. Balancing a "stroker" assembly is even more difficult because (typically) the counterweights have to be "shaved" to clear the block, which effects the balance. Usually a "stroker" crank will need "Mallory metal" to balance them and it is both very expensive to purchase and difficult (and thus expensive) to install properly.