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2.6L EVO - every been done in the usa

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Old Apr 24, 2008, 07:14 AM
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Our shop evo has a 2.5L in it now. It makes a ton ot torque! I it ever goes we may end up going to a 2.6L.
Old Apr 24, 2008, 09:45 AM
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sbr

what type of torque is it producing on what turbo etc etc ? would be interesting to know
Old Apr 24, 2008, 10:41 AM
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Originally Posted by Barrie@D-C-Y
sbr

what type of torque is it producing on what turbo etc etc ? would be interesting to know
Yea, let's here some more details about the 2.5.
Old Apr 24, 2008, 01:35 PM
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Here is an 2.6L evo from sweden

http://www.zatzy.com/projekt/319768-...tme-700hk.html
Old Apr 24, 2008, 01:39 PM
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Originally Posted by diablo2184
why is it not extreme?

the 4g64 is a bored 4g63 is it not? as you increase the size, you are thinning the walls and making it weaker.....i think thats right. please correct me if i am wrong, but i think im somewhat on the right track.

and both the 4g64 and 2.4+ size engines shouldnt really go past 8k. the pistons are moving too fast and heat up too quickly, so high RPMs are not good on them.
No the 4g64 and 4g63 bore is pretty much the same . The 4g64 as a taller deck height aka the cylinders are longer.
Old Apr 24, 2008, 01:54 PM
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Originally Posted by Burklow
Not that I know of. I feel it is really too much displacement for a 4 cylinder. Possible bore and stroke for a 2.6? I wouldn't go north of 2.3 with this engine IMHO.
Toyota have a 2.7L 4 banger.

This is definitely an extreme build. I don't see the point of it thought. Most of the high HP Evo are 2.0-2.2L. If you really want something wicke for the road course, you can always get a well built, proven 2.0L engine and have your tranny build with really tall gears.
Old Apr 24, 2008, 02:00 PM
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We have some dyno sheets around here somewhere. Ill see what I can dig up.
Old Apr 25, 2008, 11:42 AM
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low down torque and response is the key and what we should have in the end product .

I have a 2.16 stroker now to be exact , and rev to 7000rpm with it - dont need anymore because that also has awesome spool up and this one should be even better but just produceing more power with the bigger turbo and displacement

Barrie
Old Apr 25, 2008, 11:56 AM
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Originally Posted by bogge junior

Looks a nice build , i just cant read it
Old Apr 25, 2008, 12:04 PM
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Originally Posted by DJ Brett B
do they sleeve the 4g64 stroker? 2.6L sounds wicked, especially with a meth'd out green or HTA gt3076.... holy TORQUE!!!!!!
for real it might be that torquey that it can burn out!
Old Apr 25, 2008, 12:08 PM
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Originally Posted by diablo2184
why is it not extreme?

the 4g64 is a bored 4g63 is it not? as you increase the size, you are thinning the walls and making it weaker.....i think thats right. please correct me if i am wrong, but i think im somewhat on the right track.

and both the 4g64 and 2.4+ size engines shouldnt really go past 8k. the pistons are moving too fast and heat up too quickly, so high RPMs are not good on them.
Your not on the wrong track just......derailed. 4g64 has a 86.5mm bore with a 100mm stroke, the 4g63 has a 85mm bore and a 88 mm stroke ,the main difference has to do with the significant increase in stroke, thinning the walls 1.5 mm will make it weaker, how much so I am unsure.

Your comment about why you cannot rev these motors that fast is due to the change in the dynamics of having a significantly different stroke/rod length combination, and has NOTHING to do with pistons heating up too fast.

Scorke
Old Apr 25, 2008, 01:23 PM
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Not an evo but a an 2g. My buddy just got a 2.4 and He said he order the crower stroker making it a 2.6. I am pretty curious on how that turns out myself
Old Apr 25, 2008, 02:13 PM
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New Update. We are putting a 40R on the 2.5L evo tonight. It will be a few days before we get it tuned buy as soon as we get graphs I will post them up.
Old Apr 25, 2008, 02:44 PM
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from what I read before, Crower says that their 2.6l stroker will rev freely to 9500+rpm...that is however, dependent on the head setup.
Old Apr 25, 2008, 05:34 PM
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Originally Posted by SBR JSO
New Update. We are putting a 40R on the 2.5L evo tonight. It will be a few days before we get it tuned buy as soon as we get graphs I will post them up.
Will it be a twin scroll set up?
Originally Posted by ozlookalike
from what I read before, Crower says that their 2.6l stroker will rev freely to 9500+rpm...that is however, dependent on the head setup.
That's nuts. I've never heard anything like that. Can you post where you read that. Not calling you out, I'm just curious.


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