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Re: 505 dry sump headed to the dyno [Re: AndyF] #152533
07/14/09 08:08 PM 07/14/09 08:08 PM
Joined: Jan 2003
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SO. CAL.
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70blackfish Offline
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did it have a girdle on it?
were the cracks in the block visible or ?
Re: 505 dry sump headed to the dyno [Re: 70blackfish] #152534
07/14/09 08:21 PM 07/14/09 08:21 PM
Joined: Aug 2007
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El Dorado Ca
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65signet Offline
mopar
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This is a great post keep up the nice work

1965 Plymouth Barracuda 273 M/SA
1970 Plymouth Duster 360/904 10.60s with J heads
Re: 505 dry sump headed to the dyno [Re: AndyF] #152535
07/14/09 08:29 PM 07/14/09 08:29 PM
Joined: Jan 2003
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NC
440Jim Offline
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Quote:

It has a lot of 800 hp pulls on it and the bottom end is all stock except for some ARP main studs.

As you have shown, a stock block at that power level needs some help such as aluminum rods, aluminum main caps, girdle, something to reduce the chance of cracking cast iron.

1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1
Re: 505 dry sump headed to the dyno [Re: 440Jim] #152536
07/14/09 09:50 PM 07/14/09 09:50 PM
Joined: Jan 2003
Posts: 6,591
Canton, Ohio
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Sport440 Offline
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Quote:

Quote:

It has a lot of 800 hp pulls on it and the bottom end is all stock except for some ARP main studs.

As you have shown, a stock block at that power level needs some help such as aluminum rods, aluminum main caps, girdle, something to reduce the chance of cracking cast iron.





Re: 505 dry sump headed to the dyno [Re: AndyF] #152537
07/14/09 11:25 PM 07/14/09 11:25 PM
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Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
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Andy - What mods are you going to do to the next block to try and keep it in one (uncracked) piece?

Re: 505 dry sump headed to the dyno [Re: BradH] #152538
07/14/09 11:33 PM 07/14/09 11:33 PM
Joined: Apr 2005
Posts: 1,106
Quebec, Canada
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Diablo Offline
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i say fill it, girdle it and alum rod it

Re: 505 dry sump headed to the dyno [Re: Diablo] #152539
07/14/09 11:34 PM 07/14/09 11:34 PM
Joined: Jul 2003
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Cleveland
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Quote:

i say fill it, girdle it and alum rod it




Or maybe try a Koleno ! Andy, phenominal thread . You are truly a racers go-to "try it to see if it works" and , I had an idea and it's pretty cool-guy .

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Re: 505 dry sump headed to the dyno [Re: BradH] #152540
07/15/09 01:30 AM 07/15/09 01:30 AM
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Posts: 31,033
Oregon
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AndyF Offline OP
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No mods to the next block, just less power. I've added another motor to my stable for race part testing so the 505 will be downgraded to standard port heads. So even with ported Edelbrock heads I'll probably be fine with a factory block.

The EZ heads are moving over to my new 514 motor which uses a World block, Callies crank, gas ported pistons, dry sump, etc.
Re: 505 dry sump headed to the dyno [Re: AndyF] #152541
07/15/09 09:17 AM 07/15/09 09:17 AM
Joined: Jun 2003
Posts: 9,225
Charleston
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sixpackgut Offline
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Charleston
what did the old block have for caps? did it have a girdle?

this makes me nervous, i've been think about spraying mine

Gen 3 power 6.22@110, 9.85@135
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Re: 505 dry sump headed to the dyno [Re: sixpackgut] #152542
07/15/09 10:51 AM 07/15/09 10:51 AM
Joined: Oct 2003
Posts: 996
Queens, New York
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Harley Offline
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Thanks for the information Andy.
I know a few people that have better heads then the Indy EZ heads on stock blocks.
I am going to point out this post to them and hopefully enlighten them on the possibility that they are driving time bombs.

Re: 505 dry sump headed to the dyno [Re: Harley] #152543
07/15/09 11:20 AM 07/15/09 11:20 AM
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U.S.
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moparniac Offline
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great thread!

Mopar Performance
Re: 505 dry sump headed to the dyno [Re: moparniac] #152544
07/15/09 04:14 PM 07/15/09 04:14 PM
Joined: Apr 2005
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Quebec, Canada
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Diablo Offline
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I ran my 440-1c 496ci with a stock block at 800hp. last one season and a cylinder wall cracked at the bottom.

My block now has girdle, alum caps, alum rods and filled and its been good for three years now running 850+hp but i do realize that it is only time....
Re: 505 dry sump headed to the dyno [Re: Harley] #152545
07/15/09 09:22 PM 07/15/09 09:22 PM
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Posts: 31,033
Oregon
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AndyF Offline OP
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Quote:

Thanks for the information Andy.
I know a few people that have better heads then the Indy EZ heads on stock blocks.
I am going to point out this post to them and hopefully enlighten them on the possibility that they are driving time bombs.



Yep, I agree. Anything cylinder head that is capable of making more power than the EZ head really deserves an aftermarket block.

I'm going to be interested to see if there is any power difference between what my cracked 505 was making and what the new 514 will make. The 514 will have the same exact heads, cam, intake, carb, etc that I was running on the 505 so the main difference will be the block itself and small changes to the bore and stroke.
Re: 505 dry sump headed to the dyno [Re: AndyF] #152546
07/18/09 12:10 AM 07/18/09 12:10 AM
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Oregon
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Here is a picture of the metal transfer on the mains. Those main caps were really hammering on the block.

5359797-cap_walk.jpg (343 downloads)
Re: 505 dry sump headed to the dyno [Re: sixpackgut] #152547
07/18/09 08:24 AM 07/18/09 08:24 AM
Joined: Jul 2003
Posts: 977
Colorado
5
506RR Offline
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Quote:

what did the old block have for caps? did it have a girdle?

this makes me nervous, i've been think about spraying mine



Makes me nervous as well. I am spraying a 150 HP shot on mine, and it is making right at 800 HP plus it is in a 4050 lbs car. Ran a 10.59 @ 127 last time out, and that equates to right at 675 HP to the wheels, which assuming drive train loss is about 800 at the crank.

Mine does have a Hughes Girdle, so hopefully this is helping me out some. Wish I would have went with the BCR Products Girdle that includes aluminum caps!
Re: 505 dry sump headed to the dyno [Re: 506RR] #152548
07/18/09 09:17 AM 07/18/09 09:17 AM
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Posts: 9,997
Frostbitefalls MN (Rocky&Bullw...
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Spray? Go aftermarket block.

8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: 505 dry sump headed to the dyno [Re: 506RR] #152549
07/18/09 11:02 AM 07/18/09 11:02 AM
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Oregon
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Here is what the caps and the bearings look like after 80+ dyno pulls. The bearings are showing some signs of wear but the caps are really getting beat up. These are Clevite MS-1795V main bearings.

5360259-main_caps.jpg (309 downloads)
Re: 505 dry sump headed to the dyno [Re: AndyF] #152550
07/19/09 08:38 AM 07/19/09 08:38 AM
Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar Offline
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I suppose the answer is already in the pic above, but is there any specific reason you used 3/4 grooved bearings, and not fully grooved ones?

BigBlockMopar.com
Re: 505 dry sump headed to the dyno [Re: BigBlockMopar] #152551
07/19/09 11:26 AM 07/19/09 11:26 AM
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Oregon
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AndyF Offline OP
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No particular reason, these bearings just happened to fit the crank properly so we used them. I do think that 3/4 groove is the best compromise for oiling and load capacity but lots of BB Mopar engines have run hard with full groove bearings so nothing wrong with going that way as long as your oil pump can keep up.
Re: 505 dry sump headed to the dyno [Re: AndyF] #152552
07/19/09 01:49 PM 07/19/09 01:49 PM
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Bend,OR USA
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I'm waiting for the cam to come back on my 527 motor, around thirty dyno pulls before the pushrod broke. I havent taken the oil pan off yet to look at the bearings, crankshaft scraper and so on. I will look closely at the main webs now No filler, no girdle, ductile iron caps and ARP main studs

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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