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Old 07-06-2008, 10:46 PM   #196
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What should the motor be shimmed at for 20% nitro fuel?

Thank you,
It should be shimmed at a total of .20mm. (take off the .1mm shim)
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Old 07-07-2008, 12:02 AM   #197
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hi guys would anyone know the recommened oil/castor content in the fuel for the tuned motor I am running 16%nitro, I just cant find a recommendation anywhere.
cheers
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Old 07-07-2008, 05:09 AM   #198
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Originally Posted by Team Kamikaze View Post
It should be shimmed at a total of .20mm. (take off the .1mm shim)

Thank you!
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Old 07-07-2008, 05:11 AM   #199
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hi guys would anyone know the recommened oil/castor content in the fuel for the tuned motor I am running 16%nitro, I just cant find a recommendation anywhere.
cheers
If I am correct it on the top of page 4 in this thread. It was said to remove the .1 MM shim and have it shimmed at .2mm for the 16% nitro content.
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Old 07-07-2008, 07:35 AM   #200
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Originally Posted by G87z View Post
If I am correct it on the top of page 4 in this thread. It was said to remove the .1 MM shim and have it shimmed at .2mm for the 16% nitro content.
I'm sure if you read it correctly, he's asking about the oil content (%) not head shims, and i think that they should be shimmed to .4mm for 16% nitro anyway, unless the shimming is different on the tuned version than the Evo 2 and 3
aussies1129 where using 5% castor 5% syn in our 16% on the East Coast (well most of the guy's i race with anyway )
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Old 07-07-2008, 08:39 AM   #201
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Originally Posted by aussies1129 View Post
hi guys would anyone know the recommened oil/castor content in the fuel for the tuned motor I am running 16%nitro, I just cant find a recommendation anywhere.
cheers
8-12% oil, half synthetic half castor.
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Old 07-07-2008, 09:36 AM   #202
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Shimming of the JL "TUNED" version versus the JL EVO 3 engine are totally different.
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Old 07-07-2008, 10:48 AM   #203
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Originally Posted by Mugenville View Post
I'm sure if you read it correctly, he's asking about the oil content (%) not head shims, and i think that they should be shimmed to .4mm for 16% nitro anyway, unless the shimming is different on the tuned version than the Evo 2 and 3
aussies1129 where using 5% castor 5% syn in our 16% on the East Coast (well most of the guy's i race with anyway )
HAHA! Yes I made a mistake on that one. That is what I get for reading only partial posts. SORRY!
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Old 07-07-2008, 10:51 AM   #204
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Originally Posted by Team Kamikaze View Post
Shimming of the JL "TUNED" version versus the JL EVO 3 engine are totally different.
Hummmm so what is the Shimm for 20% nitro on the EVO 3 normal engine? Not tuned.
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Old 07-07-2008, 10:23 PM   #205
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Hummmm so what is the Shimm for 20% nitro on the EVO 3 normal engine? Not tuned.
.40mm total shims.
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Old 07-08-2008, 07:02 AM   #206
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OK, question time. I have just started running my JL modified and I have a question. Now I have read that I should be running a #6 plug (Picco taper), so I put a Sirio #6 (should be the same taper from what I have found) in this past weekend. Now what I found is that the engine temps were around 240 with what I would call more then normal smoke, and when I pulled the plug it was wet. The air temp was around 90F. When I asked a knowledgeable friend about what I saw, he suggested running a #7, which makes since to me since I have always ran a #7 in all of my other engines. So the engine temps dropped and I leaned the bottom about an hour or two. Now it ran good, but not as good as I'd hoped. Now I do understand that I am going to change out my pipe (I wish I could remember whice Novarossi it is, but it was suggested in the other thread) which will help, but my question is why is a #6 plug suggested and not a #7?

Thanks for everyone's time.........
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Old 07-08-2008, 07:15 AM   #207
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Hey there McSquish. I ran the picco's all last year. Run the picco 2607 pipe. The #6 picco plug is fine. At 240 degrees the motor will run way rich. When I spoke with jeffrey lin...thus the JL motor...he runs his at 270+ . The motor will really wake up. I ran a richer bottom end...and leaner top.
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Old 07-08-2008, 04:03 PM   #208
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this is true-these engines like to be a little fat on the bottom-mine runs all day long between 260 and 285 degrees and it screams-will run with anything on our track!!!!!!!
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Old 07-08-2008, 05:35 PM   #209
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this is true-these engines like to be a little fat on the bottom-mine runs all day long between 260 and 285 degrees and it screams-will run with anything on our track!!!!!!!
I second that!!!
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Old 07-08-2008, 07:37 PM   #210
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the richer bottom i think brings the temps down off throttle, and keeps the motor happy

i havent gotten next to cdub on the back stretch yet but i agree, for the money al these motors perform very well. myself and a fello racer ran evo II and evo 3 at 301s cap classic, and we had plenty motor.
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