R/C Tech Forums - Arrow Racing GTR .21 Engine Thread

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- - Arrow Racing GTR .21 Engine Thread (https://www.rctech.net/forum/offroad-nitro-engine-forum/461596-arrow-racing-gtr-21-engine-thread.html)

RcRacer37E

01-11-2013 07:42 PM

I come with the silver and brass installed and has an extra brass one for the break in. If yours only has one brass and one silver then your good. I measured it and it looks to be about .5mm with both shims.
As far as shipping to Australia, hit up hobby pro usa, not sure if Gene ships over seas or not.

22Racer

01-12-2013 07:54 AM

Quote:

Originally Posted by The8ight (Post 11665349)

So is the extra brass one the break in shim? He said it was installed already. Also when do I take it out?

I never use break in shims on any engine. (not that it is a bad thing) I would take it out after a gallon or so.

Rex

Neesh

01-12-2013 08:38 AM

Quote:

Originally Posted by RcRacer37E (Post 11665398)

Gene is over at VP Pro USA and no longer with Hobby Pro USA. check it out at www.VP-Pro-USA.com

VPProUSA

01-12-2013 08:39 AM

With the new arrow engines, you don't have to use the breakin shim.

RcRacer37E

01-12-2013 12:40 PM

Yeah yeah, VP Pro, my bad....lol

The8ight

01-12-2013 11:21 PM

Can I move the ball link on the carb so I can attach the throttle linkage? Because the ball link is point up and I can't connect the linkage.

The8ight

01-12-2013 11:27 PM

Nvm I figured it out lol

VPProUSA

01-13-2013 09:05 AM

New Arrow Engine coming!

1 Attachment(s)

I have some good news and bad news.

Bad news - The Arrow GTR-21 has been discontinued and we are now sold out. The good news is they have released an all new engine that will be available next week - the Arrow GTR-II Plus!

I do not have all the details yet, but the new GTR-II will come with the DLC Coated crankshaft and is a 5 port engine for more bottom end power like the old discontinued Mugen Ninja JX-21 BO1a. It should now not only have insane top end, but also have the torque that is required for Truggies. :)

This will be the first engine for under $200 to come with a DLC crankshaft.

The8ight

01-13-2013 08:28 PM

Quote:

Originally Posted by VPProUSA (Post 11666841)

With the new arrow engines, you don't have to use the breakin shim.

I have a v3 would it be a bad thing? And also which carb reducer is better .8 or .9

Rsickles

01-13-2013 08:59 PM

Quote:

Originally Posted by VPProUSA (Post 11670419)

Are these the same bore/stroke? Any pictures of the 5-port sleeve?

VPProUSA

01-13-2013 10:02 PM

Quote:

Originally Posted by Rsickles (Post 11673236)

Are these the same bore/stroke? Any pictures of the 5-port sleeve?

I think it is the same bore and stroke. It looks like it has a new head and new sleeve with the V4 DLC crank.

VPProUSA

01-13-2013 10:03 PM

VPProUSA

01-13-2013 10:04 PM

Quote:

Originally Posted by The8ight (Post 11673117)

I have a v3 would it be a bad thing? And also which carb reducer is better .8 or .9

The shim is fine for break in. I'd use the .9 for break in, then switch to a 7mm.

Kevin_M

01-14-2013 03:53 AM

Any idea when they will be in stock? Will the OS 2060 be prefered pipe for this engine?

VPProUSA

01-14-2013 06:51 AM

Quote:

Originally Posted by Kevin_M (Post 11673970)

Any idea when they will be in stock? Will the OS 2060 be prefered pipe for this engine?

Yes it will. With in a week.

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