crankshafts on nos

clay · Posted: Sun Dec 23, 2007 11:01 pm Post subject:

Af2 gave me the link to this site. All I have done so far is mock it up, but it measured good as far as size and taper. Surface finish is really good. Radii look good in all the journals too. Had absolutely no problems with shipping either. Clay
http://cgi.ebay.com/ebaymotors/Crank-Forged-Chevy-SBC-SB-4340-3-48-3-875-4-0-4340-RP_W0QQcmdZViewItemQQcategoryZ33616QQihZ016QQitemZ260196223895

af2 · Posted: Sun Dec 23, 2007 11:11 pm Post subject:

TSHACK · Posted: Mon Dec 24, 2007 2:48 am Post subject:

Thanks Clay & Af2,
I was looking at that same listing afew days ago. I pulled the engine this morning Very Happy

, I should have it torn down By friday. to see what it needs. Twisted Evil

I had forgotten how much the heads where ported out. Shocked

af2 · Posted: Mon Dec 24, 2007 5:43 pm Post subject:

Another outlet for Scat. Less than Summit.

http://www.lewisracingengines.com/contactus.html

disturbthepeace1 · Posted: Thu Dec 27, 2007 11:46 pm Post subject:

dont forget about Eagle's Forged cranks, great value... I ran a 200 shot on mine (before i tore the car apart)... only herd good thing bout'em ... superior auto in anaheim love those things too...

96capriceMGR · Posted: Fri Dec 28, 2007 7:15 pm Post subject:

Eagle has spotty quality control, I would sooner run Scat.

Seen too many guys have issues with out of spec measurements not outright failures.

af2 · Posted: Fri Dec 28, 2007 7:29 pm Post subject:

Brutisgearhead · Posted: Fri Dec 28, 2007 8:06 pm Post subject:

disturbthepeace1 · Posted: Fri Dec 28, 2007 10:49 pm Post subject:

Have had the same issues with scat (VW's)... When it comes to some of the lower line (china) products these things happen..

If we could assume that all parts were correct based on how much was spent for it there would be no need to check any clearance in the motor.. but I'm afraid thats not the case...

disturbthepeace1 · Posted: Fri Dec 28, 2007 10:54 pm Post subject:

One more thing, I have had a 460 ford eagle crank that had a throw that was off .010 too.. But I could ramble on about some bad scat stuff as well..

It is what it is, and thats better then stock cast...

PROCV8 · Posted: Mon Sep 07, 2009 3:18 am Post subject:

I think you'll be surprised what a crank will handle.
My old 352 nitrous motor had a standard GM steel crank & stock 010 4 bolt block with cast caps & saw 8800rpm every run.
The rest of the engine was as follows: Venolia nitrous pistons (14.0:1cr), Manley 6" rods, Brodix -8 heads, Crane 1.6 rollers & girdle, Erson roller cam, Victor Ram with twin 660 c/s carbs, NOS Pro Shot Fogger & modified NOS Cheater plates running a total of 350 gain. The nitrous was activated when the transbrake was released. It had full MSD ignition & a Comp Cams belt drive setup for the cam.
I ran a manual glide with brake, 6200 stall & 9". Rear wheels were Pro Stars with 32x14-15 slicks.
This motor pulled 8800 every run & 8000 in the burnouts with full 350hp nitrous shot.
It used to blow the centre 4 bolt cap in half on the odd occasion but never actually let go.
The result: 1.26 60ft, 9.08 @ 140mph over the 1/4 in a 2742lb door car.
So dont underestimate factory parts.