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Old 09-27-2009, 10:01 AM   #1
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Default Sirio Compatibility EVO 3 to EVO 4

What all is interchangable from the Evo3 STi to the EVO4 STi?

Also where can I get parts for the EVO4? I need a con rod and possibly a crank. But, onlline retailers are out of stock on both.. All help appreciated..
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Old 09-27-2009, 11:24 AM   #2
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What all is interchangable from the Evo3 STi to the EVO4 STi?

Also where can I get parts for the EVO4? I need a con rod and possibly a crank. But, onlline retailers are out of stock on both.. All help appreciated..
PM sent
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Old 09-27-2009, 05:46 PM   #3
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PM sent
Thanks for the PM, but it didn't really answer my question.. Anyone know this info??
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Old 09-28-2009, 09:22 PM   #4
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For the next guy. The EVO3 and the EVO4 are not compatible.. I received an email from Chad Phillips at Trinity, who is the carrier for Sirio in the us. How ever the ExTech engine is compatible.. Specificaly the rod..
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Old 09-28-2009, 11:30 PM   #5
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Maybe the orion alpha abi and the werks b7 pro engines also have the same a compatible con rod. [sirio based engines]
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Old 09-29-2009, 10:15 AM   #6
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Originally Posted by (MRC)Scotty! View Post
What all is interchangable from the Evo3 STi to the EVO4 STi?

Also where can I get parts for the EVO4? I need a con rod and possibly a crank. But, onlline retailers are out of stock on both.. All help appreciated..
I had the 3 and the 4. They seemed the be interchangeable to me. Crank, rod, etc.
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Old 09-29-2009, 11:03 AM   #7
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If we are talking .21 Sirio engines...are interchangeable.
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Old 09-29-2009, 06:58 PM   #8
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I wonder why Chad from trinty would have told me they are not?? Make me think Trinty is not such and honest company. but, for now I'll give him the benefit of the doubt, and assume he just didn't know..
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Old 09-29-2009, 07:08 PM   #9
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I wonder why Chad from trinty would have told me they are not?? Make me think Trinty is not such and honest company. but, for now I'll give him the benefit of the doubt, and assume he just didn't know..

LOL
Scotty mang you know I got a new crank hehehe.
Case is good to go also with the sleeve....piston got some slight scratches...
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Old 09-29-2009, 07:17 PM   #10
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It is all good Supra, but thanks for the offer.

I have the back up engine together and runnign decently.. but the rod is a little loose.. NOt horible, but gonna need changed if I run it much.. Was just trying to ge ducks in a row before anything happens and I do need parts..
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