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Old 01-14-2010, 06:44 PM   #1
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Default Losi GRP sport/tuned engine question

Okay, here's the situation, I bought a NIB Losi GRP (discontinued) engine from ebay, I only have experience with the tuned version...

I did not realize that the sport has a standard plug configuration...

AND...the button is built into the head.

here's my question...If I purchase a Turbo button and the Tuned Head and install it on the sport case will the displacement be the same?

has anybody made this conversion? (I hate standard plugs)
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Old 01-14-2010, 08:37 PM   #2
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Yes it should be fine putting a tuned head button and head on it. Almost all brands interchange like that.

Rex
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Old 01-14-2010, 08:54 PM   #3
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Quote:
Originally Posted by nitrodog View Post
Okay, here's the situation, I bought a NIB Losi GRP (discontinued) engine from ebay, I only have experience with the tuned version...

I did not realize that the sport has a standard plug configuration...

AND...the button is built into the head.

here's my question...If I purchase a Turbo button and the Tuned Head and install it on the sport case will the displacement be the same?

has anybody made this conversion? (I hate standard plugs)
I have a brand new grp turbo button losr2035 I will sell you for 20.00 if you want it. Pm me if interested.
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Old 01-14-2010, 08:56 PM   #4
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Quote:
Originally Posted by nitrodog View Post
Okay, here's the situation, I bought a NIB Losi GRP (discontinued) engine from ebay, I only have experience with the tuned version...

I did not realize that the sport has a standard plug configuration...

AND...the button is built into the head.

here's my question...If I purchase a Turbo button and the Tuned Head and install it on the sport case will the displacement be the same?

has anybody made this conversion? (I hate standard plugs)
I did exactly that to the same engine and it ran perfectly.
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Old 01-14-2010, 09:01 PM   #5
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Originally Posted by 22Racer View Post
Yes it should be fine putting a tuned head button and head on it. Almost all brands interchange like that.

Rex
Thanks, I figured the same, but needed a second opinion
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Old 01-14-2010, 09:02 PM   #6
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I did exactly that to the same engine and it ran perfectly.
Thanks for the input, the confirmation I needed
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Old 01-14-2010, 09:05 PM   #7
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Thanks, but Amain has them in stock and for less, I'll just order from them and get the head at the same time

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I have a brand new grp turbo button losr2035 I will sell you for 20.00 if you want it. Pm me if interested.
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Old 01-14-2010, 09:08 PM   #8
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Also this carb takes the same venturi inserts as the OS V-spec engines if you want a smaller venturi, check out the speed venturi's
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Old 01-14-2010, 09:14 PM   #9
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Thanks, I actually have a few inserts from running the tuned .21, I usually run somewhere between a 7.0 and 8.0

but this a useful tip, as the GRP inserts are sold in sets of three and kind of pricey

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Also this carb takes the same venturi inserts as the OS V-spec engines if you want a smaller venturi, check out the speed venturi's
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Old 01-14-2010, 09:43 PM   #10
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Thanks, but Amain has them in stock and for less, I'll just order from them and get the head at the same time
They sure do. They went down on price since I got this one. Sorry bout that I thought I was offering you deal.
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Old 01-15-2010, 04:45 AM   #11
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No worries, it will actually cost me more with shipping, but I need the head too (and some other stuff non engine related) just figured I would grab everything from Amain.

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They sure do. They went down on price since I got this one. Sorry bout that I thought I was offering you deal.
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Old 06-07-2010, 12:49 PM   #12
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what pipes is every one running on the GRP sport .21 engine? i was thinking of the dynamite 053 or something. i was trying to find a GRP pipe here on rctech for sale but have had no luck. if any body knows were i could get one that would be awesome. or what other pipes are good for this engine. thanks
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Old 06-07-2010, 01:41 PM   #13
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what pipes is every one running on the GRP sport .21 engine? i was thinking of the dynamite 053 or something. i was trying to find a GRP pipe here on rctech for sale but have had no luck. if any body knows were i could get one that would be awesome. or what other pipes are good for this engine. thanks
I have a grp pipe the 2053 that I will sell you i'll take $30.00 for it if your interested pm me and we can work something out because I don't have a paypal account and I have never sold anything online before I know it sounds kinda crazy but it's true. I tell what pipe I have found to work real good is the RE 10 pipe that losi makes. It's suppose to be the same thing as the o.s pipe (2060)
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Old 06-07-2010, 02:43 PM   #14
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I have an Navorossi 9886 pipe working on an V-spec 2050 manifold on my .28 GRP tune-line and it is a monster nice bottom end punchy and Great top end
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Old 06-07-2010, 04:45 PM   #15
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i have a losi r11 pipe right now on my novarossi just got the grp brand new today so i might try the r11 or go with the dynamite 053 my friend just got the 053 and it looks awesome. but i might try these out too. thanks guys
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