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Old 04-11-2007, 07:12 AM   #1
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Default .28 Jammin Engine - Has anyone raced this Engine?

Does anyone have any opinions on the new Jammin .28 engines? I have a new Matrix Arena TR and I need a reliable race engine. I have narrowed my decision down to the LRP Spec 3 .28 truggy non-pullstart and the new jammin.

Please let me know what you think?

Thank you
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Last edited by ILDRVR; 04-11-2007 at 08:06 AM. Reason: more descriptive
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Old 04-11-2007, 11:13 AM   #2
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A friend in Venezuela is racing the Jammin .28 on his Jammin CRT Truggy and he said that the engine rocks !!, lots of power and very reliable ...

cya,
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Old 04-11-2007, 03:39 PM   #3
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From what I've seen the LRP is very fast for the money. That would probably be the more reliable of the two.
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Old 04-11-2007, 03:59 PM   #4
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I'm using the LRP with a JP2 pipe and it has good low end power, the top isn't too shabby either. I replaced the V-Spec in my ST-R with the LRP and haven't looked back. Lots of bang for the buck.
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Old 04-11-2007, 07:02 PM   #5
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Which ever engine I end up going with, I will be putting my JP-3 pipe on it.

Thanks for the comments

Please keep adding to this thread.
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Old 04-25-2007, 12:00 AM   #6
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i have run about a gallon through the jammin engine with the jp3 and it has plenty of power. it will pull down straights. does great on fuel to i ran it for a little over nine minutes on one tank. overall a great engine and doesnt cost much
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Old 05-08-2007, 09:30 PM   #7
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I ended up going with the LRP, but there are a few club racers running the Jammin and it looks like a good engine.

Thanks for your posts
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Old 05-09-2007, 06:08 PM   #8
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I have the .28 in my crt truggy that motor rips! I only raced one time with it and it was running at 210F after a 20 min main with tons of power.
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Old 05-09-2007, 07:11 PM   #9
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I'm breaking mine in on Sunday.
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Old 05-10-2007, 12:57 AM   #10
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i dont see it on jammin's website?? unless you're talking about the force .28 that comes with the RTRs
i have the force .28 and its a serious gas sucker.
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Old 05-12-2007, 05:27 PM   #11
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the Jammin .28 is made by Picco and it is on the websight.
www.jamminproducts.com
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Old 05-12-2007, 06:12 PM   #12
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as far as reliability the jammin motors are unbelivable!
we have 20 gal plus on some of our race engines.
power is unreal and tuning is a breeze!
too bad you went lrp but im sure it will be a good motor!
good luck!
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Old 05-13-2007, 09:13 AM   #13
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Yesterday, I was pitting for a buddy of mine who is running the Jammin and I only fueled him once in the 15 min main. He still had fuel left at the end to run about 4 more laps. Right now my LRP is not getting that kind of run time, but my bottom end still seams rich. Time will tell.

I am very impressed by what I am seeing with the Jammin motor
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Old 05-13-2007, 09:22 AM   #14
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Can one of you guys that have the jammin .28 post the stock needle settings from the sheet that came in the box?

I have one of these engines but I've got the tune out of wack and have misplaced the sheet.

THANK YOU SOOO MUCH to anyone that can help!!!!!!!!!!!!!
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Old 05-13-2007, 10:44 PM   #15
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Hey guys... please come to Singapore R/C racers forum, under JAMMIN JPX.21 ENGINE THREAD, to post some of your experiences on this engine... Or maybe some tips to improve it, which pipe to match, etc... We need experts like you guys to share. Your help will be much appreciated...
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