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ERL or Dart Block?

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Old May 25, 2014 | 12:21 AM
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Default ERL or Dart Block?

I had the wonderful experience seeing my C6 Z06 make a nice puff of smoke on the dyno this past Thursday. The result throwing a rod in the #2 cyl with a hole in the block. So I'm looking to get info on experience with both companies.

I live near Hollywood CA so we have traffic heat and other interesting things. So this Corvette is a daily driver for the most part. Had 86k on the motor when this happened.

I've already talked to some of my sponsors, Mahle ,Manley, Clevite and a few other companies are going to send me new internals.
I'm staying N/A I'm making over 530rwhp on my z06 with the current setup. I'm not looking to go much over 600rwhp if at all . So just a bare block is what I'm looking for . if anyone has a stock ls7 please let me know also. kananrd@gmail.com


I'd really appreciate everyone's information and input

Thank you
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Old May 25, 2014 | 06:50 AM
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If I was you I'll go with erl. All the big boys run they motors with no problems. Ray Litz Ohio boys Dave Childress Paul falcon..... All the badass cars you see making a name for their selves. I also heard David Childress drove from Virginia to bowling green and won true street car a couple times in a row and drove the car back home which he said was 850 miles
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Old May 25, 2014 | 08:29 AM
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I would go with either a GM Performance LSX block or the Dart block. Nothing against ERL but you can most likely get one of these quicker and they will have no problem supporting the HP you are looking for.

Good luck
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Old May 25, 2014 | 09:56 AM
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All 3 of the blocks are more then better then a stock block, they each have there own different trates, and you won't have to worry about over heating plus another rod going there the block again.
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Old May 25, 2014 | 07:43 PM
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Been watching this on E-Bay, http://www.ebay.com/itm/LS7-Z06-CORVETTE-SHORT-ENGINE-30K-MILES-/151308546638?pt=Motors_Car_Truck_Parts_Accessories&hash=item233ab1324e&vxp=mtr but on the opposite coast...
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Old May 25, 2014 | 10:35 PM
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Originally Posted by Baconz28
If I was you I'll go with erl. All the big boys run they motors with no problems. Ray Litz Ohio boys Dave Childress Paul falcon..... All the badass cars you see making a name for their selves. I also heard David Childress drove from Virginia to bowling green and won true street car a couple times in a row and drove the car back home which he said was 850 miles
Try 4 or 5 years in a row. I'd go with ERL.
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Old May 26, 2014 | 04:44 PM
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Originally Posted by common sense
Try 4 or 5 years in a row. I'd go with ERL.
i think i might go with erl

i just took off both the heads the cy1 is gone along with no piston so that head is trash with the block also

dropped the lovely exhaust valve on cyl #1

Last edited by One Bad Duramax; May 26, 2014 at 06:31 PM.
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Old May 26, 2014 | 05:23 PM
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I went with ERL Performance for my (434ci) motor.The one thing you better have is patience with ERL Performance because it took me 4 months to get my motor.
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Old May 26, 2014 | 06:30 PM
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Originally Posted by KILLERARMY
I went with ERL Performance for my (434ci) motor.The one thing you better have is patience with ERL Performance because it took me 4 months to get my motor.
cyl # 1 dropped exhaust valve so that was the cause .
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Old May 27, 2014 | 09:57 AM
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You have RED in Oceanside, CA. Steve can sleeve your stock LS7 block. That's not that far of a drive away.

http://www.raceenginedevelopment.com...4927/index.htm

In a vette, I would stay aluminum for weight bias unless you have some adjustable suspension.
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Old May 27, 2014 | 10:01 AM
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Originally Posted by common sense
Try 4 or 5 years in a row. I'd go with ERL.
You know what I meant bro lol. Definitely go be my next build is a erl 443 n/a pump gas motor.
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Old May 27, 2014 | 11:21 AM
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Originally Posted by Baconz28
You know what I meant bro lol. Definitely go be my next build is a erl 443 n/a pump gas motor.
Haha yeah. Why not 454ci? Should only be an increase in piston size, unless you're going with a big bore / 4" stroke?
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Old May 27, 2014 | 11:24 AM
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Originally Posted by common sense
Haha yeah. Why not 454ci? Should only be an increase in piston size, unless you're going with a big bore / 4" stroke?
I have a thing for odd ball cubic inch motors plus it'll leave room on the bore for a clean up later.
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Old May 27, 2014 | 11:28 AM
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Right on.
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Old May 27, 2014 | 05:20 PM
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For a n/a build there is zero reason to blow an extra $2k+ on an aftermarket block. Just buy a factory ls7 block from discount dealer of your choice.
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Old May 27, 2014 | 08:58 PM
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Originally Posted by 87silverbullet
You have RED in Oceanside, CA. Steve can sleeve your stock LS7 block. That's not that far of a drive away.

http://www.raceenginedevelopment.com...4927/index.htm

In a vette, I would stay aluminum for weight bias unless you have some adjustable suspension.
oh i wish that was an option lol
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Old May 27, 2014 | 09:20 PM
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Originally Posted by One Bad Duramax
oh i wish that was an option lol
All that gets cut out for Darton sleeves. As long as it didn't harm the outside of the block and the deck is not busted...
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Old May 27, 2014 | 10:10 PM
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Originally Posted by S10xGN
All that gets cut out for Darton sleeves. As long as it didn't harm the outside of the block and the deck is not busted...
blew a hole out under the #2cyl
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Old May 28, 2014 | 07:31 AM
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Call RED. Steve has fixed some stuff you wouldn't believe. ****, you're close enough just drive down and let him look at it.
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Old May 28, 2014 | 01:44 PM
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Originally Posted by 87silverbullet
Call RED. Steve has fixed some stuff you wouldn't believe. ****, you're close enough just drive down and let him look at it.
i'm at the point leaning towards getting an ls2 3 or 7 and have it sleeved by red or erl just waiting on phone calls back from both companies. i'll make this engine into a nice table lol. GM called me back they said that i can have a local tech look at the damage, and they might work with me on getting a new block
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