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Old 09-22-2007, 06:06 PM   #1
Shabib67
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Default EJ257 Stroker Kits

Hey guys are there any stroker kits (2.65, 2.7, 2.8) out there for the ej257 that can spin between 8-8.5k preferably 8.5k?
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Old 09-22-2007, 06:09 PM   #2
twigg107
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Old 09-22-2007, 06:14 PM   #3
Shabib67
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His stroker kit can rev to 8.5k?
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Old 09-22-2007, 06:38 PM   #4
twigg107
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It could but there hasnt been any testing of it... well any that Iam aware of. Why stroke it if you want too goto 8.5k rpms anyways! If you blueprint the motor perfectly and put alot of work into the heads, i dont see why not.
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Old 09-22-2007, 06:51 PM   #5
Shabib67
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The reason is because it would be nice to get extra displacement with the ability to rev high especially if your using a big turbo. See the EVO guys use either the stock 2.0l or 2.3l. The 2.0l is better suited for turbos like the gt37r, gt40r, gt42r because you can rev to 9k and take advantage of all the power uptop. The 2.3l is better for small turbos to mid-range turbos and even for a gt35r because it spools much faster.

Now there are companies such as JUN, Cosworth and GSC that offer a 2.2l stroker kit that gives increased displacement with the ability to rev between 8.5-9k basically giving the best of both worlds. Thats why I want to know what stroker kit out there for the ej257 is going to give the best compromise of revability and increased displacement.
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Old 09-22-2007, 08:00 PM   #6
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I rev my gt motorsports 2.8L out to 8k. I would have given you a ride but I just left NoVa last week, drove to west texas and am now on my way to Nebraska.

-T
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Old 09-22-2007, 11:41 PM   #7
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well, I'm still trying to get a test shortblock togehter for the BC 2.7 setup loaned to me for testing...I personally am running my own long rod design, just shy of the factory EJ257 but with a much longer rod ratio (longer than the EJ20 too)...therefore making for higher top end VE's/power. Should spin to high rpm's better than an EJ207 with almost the displacement of the EJ257
I'm starting my redline at 9k
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Old 09-23-2007, 02:22 PM   #8
Devan M
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Quote:
Originally Posted by Shabib67 View Post
Hey guys are there any stroker kits (2.65, 2.7, 2.8) out there for the ej257 that can spin between 8-8.5k preferably 8.5k?
Crawford has been running their stroker motors in their Time Attack car for over a year at 8500rpm. Theirs is a race proven product thats not made in China!

The Chinese stuff is a lot cheaper though
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