Author Topic: New crate motor or rebuild?  (Read 1201 times)

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Offline DCannon

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New crate motor or rebuild?
« on: September 27, 2018, 09:05:03 AM »
Hey guys!

Haven't posted in a while but just recently my started making an awful knocking noise so I parked it. I've had a few people tell me from the sound of it is sounds like a broken connecting rod bearing. I want to take it in somewhere and actually figure out whats wrong. If it's not too bad in terms of damage I'll just get it repaired but if it's going to run a few thousand to repair (and fix the cause so it doesn't happen again), I was thinking of getting one of the short blocks from Crawford Performance.

I was just hoping to pick your guys brains on the best place to take it for this sort of thing and any opinions on the crate motor.
Dave.

Offline DCannon

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Re: New crate motor or rebuild?
« Reply #1 on: September 27, 2018, 09:06:05 AM »
Also, I have a video on my phone of the noise but I'm not sure how to post it here directly from my phone lol.
Dave.

Offline 10secdream

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Re: New crate motor or rebuild?
« Reply #2 on: September 27, 2018, 09:06:34 AM »
First Gear
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“When you see the tree you’re about to hit, it’s called under steer. When you can only feel and hear it, it’s over steer.”

Offline DCannon

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Re: New crate motor or rebuild?
« Reply #3 on: September 27, 2018, 09:11:15 AM »
First Gear
I'll check them out. Thanks!
Dave.

Offline the_saint

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Re: New crate motor or rebuild?
« Reply #4 on: September 27, 2018, 02:41:22 PM »
First Gear

Definitely.

They helped out with a rebuild (to make more power at the cost of more $$$).

GREAT shop.

Online SlowLGT

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Re: New crate motor or rebuild?
« Reply #5 on: September 27, 2018, 04:06:31 PM »
Yes, I did make this.

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Offline VTAKLOL

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Re: New crate motor or rebuild?
« Reply #6 on: September 27, 2018, 04:13:14 PM »
^true

Offline SingallZ

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Re: New crate motor or rebuild?
« Reply #7 on: September 27, 2018, 04:56:43 PM »
I'm just going to leave this here:

http://www.westernsubaruclub.com/smf/index.php?topic=56655.msg693235#msg693235 <-- the same question yesterday

Offline DCannon

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Re: New crate motor or rebuild?
« Reply #8 on: September 27, 2018, 10:55:55 PM »
I'm just going to leave this here:

http://www.westernsubaruclub.com/smf/index.php?topic=56655.msg693235#msg693235 <-- the same question yesterday
Thanks! I haven’t been on here in a while so I didn’t even think to search first.
Dave.

Offline jellynuts

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Re: New crate motor or rebuild?
« Reply #9 on: September 28, 2018, 10:36:14 AM »
uckfay, Johnny with the back-handed slap. You're clearly the Oracle.

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Offline 10secdream

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Re: New crate motor or rebuild?
« Reply #10 on: September 28, 2018, 10:38:25 AM »
Didn't he have 2 built EJS?
2003 Mazda Miata
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2004 Forester XT Build

“When you see the tree you’re about to hit, it’s called under steer. When you can only feel and hear it, it’s over steer.”

Offline Mason

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Re: New crate motor or rebuild?
« Reply #11 on: September 28, 2018, 12:01:36 PM »
Didn't he have 2 built EJS?

He's blown a couple if I recall correctly.

"First motor, preventatively removed and replaced with a built Outfront CDB. Outfront doesn’t seat wrist pin clip fully, pin walks out, ruins block. I then get a warrantied shortblock and decide to build the heads with a full suit of GSC products.  Get it all together, get dyno tuned to 616 whp and 545 wtq.  Get back home and tweak tune to elevation.  Make first pass on highway after completed tune.   At the top of 2nd gear all hell let’s go and engine seizes. 

So I rip the motor apart an find that for some reason my gsc +1 mm valve has raped cylinder 3.  It sent metal into the IM and into all cylinders.  Wild amounts of damage.  I couldn’t believe it. "

Both were failures from bad engine builds. He was also pushing well into the 600whp, which is silly for these cars. Building an ej for 300whp is a lot more reasonable that 600+

Offline Airboy

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Re: New crate motor or rebuild?
« Reply #12 on: September 28, 2018, 10:15:39 PM »
He's blown a couple if I recall correctly.

"First motor, preventatively removed and replaced with a built Outfront CDB....

Hmm...so the only one that didn't blow up was the OEM block... :)

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Offline Mason

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Re: New crate motor or rebuild?
« Reply #13 on: September 28, 2018, 11:04:45 PM »
Hmm...so the only one that didn't blow up was the OEM block... :)

I wonder what happened to the OEM block 🤔

Where do you see failures more frequently? Rebuilt in shop vs built replacements such as IAG vs OEM?

I have never heard of anyone having long term luck with built in house EJ's, but usually only the stories of failure end up surfacing. I have never actually heard of a bad word spoken of the IAG staged blocks while running a reasonable amount of power. The OEM block    has its own other book of horror stories, but there is 10000x more of them on the road

Offline funk32

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Re: New crate motor or rebuild?
« Reply #14 on: September 29, 2018, 06:54:04 AM »
The first motor he had let go due to a bad build and the second one also looks to have failed because of bad craftsmanship but the company won't admit it.

Offline funk32

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Re: New crate motor or rebuild?
« Reply #15 on: September 29, 2018, 06:56:21 AM »
Built blocks do tend to fail more as they are usually beat on a lot harder than one would with an oem block and not given the care they need. "Don't worry its a built block" lol.

Edit... when i say they beat on them more, i mean Abuse not just putting it through its paces.