Knife edged crank

Whjaxn17 · 04-23-2019, 08:17 AM

Ok, no real benefit in a street car. Got it. I was only thinking of having it done while having an engine apart to have it built and wondered if it would be worth it. Boost was obviously the reason for having it built, though, which runs me into the problem Spooler mentioned.

So, I guess long story short, scrap the idea of using a stock crank. I just knew I had seen people say they were good for 900-1000hp, so I thought even after that, 600-700 would still be safe.

What about a billet crank? Would it be capable of holding the power minus the extra material? How do they compare in terms of weight? Edit: read somewhere else they're typically heavier than OEM due to being more dense

I'm aware this alone is a very expensive piece, something like $5k, but I'm just trying to learn about all this as I've never seen it discussed in depth.

This is strictly a street car for now, but I would eventually like to run the car in some half mile events such as TX2K or WannaGoFast once there is some more power in it.

bullitt5897 · 04-24-2019, 10:23 AM

Quote:

Originally Posted by Whjaxn17

Ok, no real benefit in a street car. Got it. I was only thinking of having it done while having an engine apart to have it built and wondered if it would be worth it. Boost was obviously the reason for having it built, though, which runs me into the problem Spooler mentioned.

So, I guess long story short, scrap the idea of using a stock crank. I just knew I had seen people say they were good for 900-1000hp, so I thought even after that, 600-700 would still be safe.

What about a billet crank? Would it be capable of holding the power minus the extra material? How do they compare in terms of weight? Edit: read somewhere else they're typically heavier than OEM due to being more dense

I'm aware this alone is a very expensive piece, something like $5k, but I'm just trying to learn about all this as I've never seen it discussed in depth.

This is strictly a street car for now, but I would eventually like to run the car in some half mile events such as TX2K or WannaGoFast once there is some more power in it.

Bryant Racing is the only Crank manufacturer I would run if your going aftermarket and knife edge. but as you stated $5k and a decent wait time. 18+ weeks when I last talked to them. Cranks are built to order and spec.

Now there is also BC and Marine Cranks you can run. BC is off the shelf and Marine is also built to order.

Whjaxn17 · 04-24-2019, 10:41 AM

Quote:

Originally Posted by bullitt5897

Bryant Racing is the only Crank manufacturer I would run if your going aftermarket and knife edge. but as you stated $5k and a decent wait time. 18+ weeks when I last talked to them. Cranks are built to order and spec.

Now there is also BC and Marine Cranks you can run. BC is off the shelf and Marine is also built to order.

Thank you for the recommendations. Would you care to take a guess as to the weight that could be expected?

Spooler · 04-24-2019, 06:59 PM

Quote:

Originally Posted by bullitt5897

Bryant Racing is the only Crank manufacturer I would run if your going aftermarket and knife edge. but as you stated $5k and a decent wait time. 18+ weeks when I last talked to them. Cranks are built to order and spec.

Now there is also BC and Marine Cranks you can run. BC is off the shelf and Marine is also built to order.

He will spend just as much money at the machine shop to get that BC crank right compared to the cost of a Bryant crank. The quality is just not there.

04-23-2019, 08:17 AM	#1 (permalink)
Whjaxn17 Enthusiast Member Join Date: Sep 2015 Location: Alabama Age: 29 Posts: 420 Drives: 17 370Z 6MT Rep Power: 3365	Ok, no real benefit in a street car. Got it. I was only thinking of having it done while having an engine apart to have it built and wondered if it would be worth it. Boost was obviously the reason for having it built, though, which runs me into the problem Spooler mentioned. So, I guess long story short, scrap the idea of using a stock crank. I just knew I had seen people say they were good for 900-1000hp, so I thought even after that, 600-700 would still be safe. What about a billet crank? Would it be capable of holding the power minus the extra material? How do they compare in terms of weight? Edit: read somewhere else they're typically heavier than OEM due to being more dense I'm aware this alone is a very expensive piece, something like $5k, but I'm just trying to learn about all this as I've never seen it discussed in depth. This is strictly a street car for now, but I would eventually like to run the car in some half mile events such as TX2K or WannaGoFast once there is some more power in it. __________________ 377whp/299wtq NA 704whp/519wtq, SOHO stage 2.5 IG: pearlywhite.z Last edited by Whjaxn17; 04-23-2019 at 09:33 AM.

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