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Old 08-19-2009, 04:02 PM   #1
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Default Extech II .24 or alpha .24

Any thoughts on these motors would be great, good or bad. Air leaks, junky carbs, run times, all and any comments please.
Thanks Daryl
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Old 08-19-2009, 04:26 PM   #2
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hey dayglo33 i got the extech 24 and sent it to powerhouse to be mod the thing runs like a bat outta hell love this motor have it in my kyosho strr starts up every weekend runs all day keeps the tune good cant beat it
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Old 08-19-2009, 05:24 PM   #3
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I've run the E.T .21 mills in my buggy for the better part of 2 seasons now. I just like the way they feel, compared to other engines I've run. As for potential carb issues, what I do is pull the rubber boot off. Once done, you'll see the groove that the boot sits in. I will fill that with some Permatex...ie, silicone sealant, let it sit and skin up for maybe 10 mins., then replace the boot, and lastly, gently place a ziptie around that end of the boot. I have had 0 carb related problems since I started doing this. One other thing, if you use ARO, ( I choose not too ) I would recomend ONLY GMK Supply Afterlife. Some AROs have been "rumored" to eat away at the epoxy filling in the crank. Gary from GMK has stated that his ARO is designed to be epoxy safe
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Old 08-19-2009, 05:31 PM   #4
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Quote:
Originally Posted by dayglo33 View Post
Any thoughts on these motors would be great, good or bad. Air leaks, junky carbs, run times, all and any comments please.
Thanks Daryl
Both engines are made by Sirio & have different Mods to them Sirio's have a tempermental tune to them but once you have the sweet spot they perform very excellent.
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Old 08-19-2009, 06:29 PM   #5
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I have the extech .24 in my 8T-2.0. I REALLY like this motor. It makes the truggy accelerate like a buggy with a .21 race motor I am using a JP2 pipe on it and am getting really good run time. I did a 7 minute qualifier and actually had like 1/3 of a tank left afterwords. Temp was 216 after race.
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Old 08-20-2009, 07:52 AM   #6
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Thanks guys, anyone else?
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