[Striker2237]

Will a SCAT 4340 crank survive 700 CHP with a centrifugal blower?

Main reason I am asking is it's in a 5600lb truck that will be launched in 4x4 so there will be a fairly high engine load.

I already had the crank corrected to exactly what it should be with a nearly perfect balance job, 6000 rpm redline. Boost will keep going up till my power target is met.

 

[BYBYLS1]

Yes it will survive as long as the engine is assembled correctly with the proper oil clearances

 

[Modchevelle]

Callies and be done

 

[Guest]

Of course it will.


Depending only on your ability to tune a motor.

 

[Screwblower]

Will a SCAT 4340 crank survive 700 CHP with a centrifugal blower?

Main reason I am asking is it's in a 5600lb truck that will be launched in 4x4 so there will be a fairly high engine load.

I already had the crank corrected to exactly what it should be with a nearly perfect balance job, 6000 rpm redline. Boost will keep going up till my power target is met.

I used to see a guy that ran 6.0 bracket racing in F-150 4x4 with a vortech blower.
It was lifted and running 29.5 slicks. Crazy running truck would be 6.01- 6.1 every pass.

 

[SBP436]

scat makes some high end cranks most don't know this....ya get what you pay for!

 

[CNC BLOCKS]

If your running a blower make sure it has a BBC snout.

 

[Striker2237]

scat makes some high end cranks most don't know this....ya get what you pay for!

I was under the assumption that SCAT is lower end? I bought the best crank they offer for my engine short of their custom billet line.

If your running a blower make sure it has a BBC snout.

I can't order that for my engine type (Chrysler 360)

 

[Camaro Kid]

Good shit. You'll be fine

 

[bigblockmark]

Machine work is better than Eagle, finish machined in USA on offshore forging. Eagle is finish machined overseas. JMO.

 

[MN Hemi]

Molnar's products are better.

 

[Striker2237]

Molnar's products are better.

I am aware, however this is what I have and if it can hold the power level I want I see no reason to upgrade.

 

[bigblockmark]

Tom Molnar. He will explain the limitations of his parts honestly. Molnar Technology in Michigan

 

[rollercam1]

I ran their 4340 stuff in a stock block 351W with an F1R procharger making 18# boost. Ran it all season long and had no issues. The block...cap walk for sure..

 

[Striker2237]

Oh yeah, I am having a 2nd block setup right now to allow the thing to live long term due to cap walk.

I'm just going to limit it right now to no more than 500whp so nothing breaks.

 

[engineguy]

Will a SCAT 4340 crank survive 700 CHP with a centrifugal blower?

Main reason I am asking is it's in a 5600lb truck that will be launched in 4x4 so there will be a fairly high engine load.

I already had the crank corrected to exactly what it should be with a nearly perfect balance job, 6000 rpm redline. Boost will keep going up till my power target is met.

The Scat crank will work well for your application.

 

[MN Hemi]

I am aware, however this is what I have and if it can hold the power level I want I see no reason to upgrade.

Oh, I didn't read it closely though you were looking for a crank..
On that scat crank, you may want consider drilling the snout threads further into the front main journal. I had a customer use one and he snapped the snout off on the dyno with a 6-71 blower.
We replaced it with a Callies.

 

[Striker2237]

Oh, I didn't read it closely though you were looking for a crank..
On that scat crank, you may want consider drilling the snout threads further into the front main journal. I had a customer use one and he snapped the snout off on the dyno with a 6-71 blower.
We replaced it with a Callies.

Well shit! That's never good. I'll see what can be done to make sure I don't snap anything important.

 

[Striker2237]

You know, I just thought of something. Can the rods take it? Same company same materials.

 

[363Falcon]

You know, I just thought of something. Can the rods take it? Same company same materials.

What rods? I beam, H beam?