RB Killer 9 Shimming Question
I have a new Killer 9 and went to add shims to head for proper displacement per manual. I took of button and found 4- .2mm shims for .8mm, but the schematic for the killer 9 shows only 1- .2mm.
Let me now what you think. I am leaning towards 2-.2mm shims. Just like my C6 USA |
Look at the bottom/ left of the scematics page.
It tells you 4x.20mm shims for running 25% Nitro. You could add another shim if your going to be running 30% Nitro, to be safe. Maybe take one of the .2 shims out and add a .3, to keep from going too far. Me, I would leave the shimming like it is and still run the 30%. |
Originally Posted by rageworks
(Post 6335979)
Me, I would leave the shimming
like it is and still run the 30%. |
you can add an extra shim(.1-.2) for break-in...but make sure to remove it before trying to race tune it.
|
Originally Posted by rageworks
(Post 6335979)
Look at the bottom/ left of the scematics page.
It tells you 4x.20mm shims for running 25% Nitro. You could add another shim if your going to be running 30% Nitro, to be safe. Maybe take one of the .2 shims out and add a .3, to keep from going too far. Me, I would leave the shimming like it is and still run the 30%. Thanks Again |
Seeing as no one knows how this Asian based RB
is going hold up yet. You may want to pull the backplate off and check the lower con rod bushing for wear and to see how the bearings are holding up after the first gallon or so of fuel. Could you please keep us informed on this engine? I would like to here about its inital pinch (ie. is it a starter box killer when starting) and how much fuel you ran before the pinch loosens up. Take a few notes and give us your thoughts on your Killer 9. |
Asian-based? Did I miss something? I thought RB were still made by NR.
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Not the killer 9.
|
Originally Posted by Alan D.
(Post 6336599)
Not the killer 9.
|
give us a review when you tune it
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Just finished the initial break in. I've run about 6 complete tanks through the car so far. It was a nightmare to start the first time. The pinch was killing my starter box. Once I finally got it to turn over, I found that the factory needle settings were way too fat. It flooded the engine almost immediately. Once I got the needles right it fired up and ran smooth. Last run for break in I leaned it a little and ran it around the yard. It was still rich and spitting oil. Temps hit 217 and I got 9 minutes out of a little less than a full tank.
I'm headed to the track in a few and will update again afterwards. |
I was told this engine is pretty much the same as a "force" engine...not even made by RB?..
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When you get the RB Box with the Killer 9 in it, you will see the sticker on the box saying its made in Taiwan.
This RB Engine is not a Novarossi based engine made in Italy. It does look very nice though! I no longer have mine. Let it go to buy a helmet but didnt get the helmet so just got another engine. |
All RB mills have required a .1mm shim to run 30%, that being said...I have run stock simming in one of my C6's and I never noticed a difference and I got 8 1/2 gallons out of it with no rod and no bearing upgardes.
I just got a B9 and I did the shim this one. |
Originally Posted by SPEEDSKI
(Post 6354623)
All RB mills have required a .1mm shim to run 30%. I just got a B9 and I did the shim this one.
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