RE: Who is converting Toro trimmers?
 

Dave,

Thank You !!!! I just bought a Prather V stack from tower to try. It is the EXACT intake Horizon sells, except on Tower it is $11.99. What a rip off. I think the bell shaped v stacks will be better than the directional ones like the Great Planes ones. Now I know a cheeper place to get them :)

Scott

RE: Who is converting Toro trimmers?
 

Scott,
Your welcome.

Dave

RE: Who is converting Toro trimmers?
 

Nice find Dave... I second what Scott says. Prather really did a number on us else Horizon has them way under priced.

I was reading in another thread about this Pop Off Pressure adjustment that is made with the needle valve spring. It involves making a pump with a pressure gauge to set the spring tension to 15psi. I think I have most of the stuff to complete the test set but was wondering if anyone here has ever played with setting one. http://www.aerocorsair.com/id28.htm

Tp

RE: Who is converting Toro trimmers?
 

Hi Tom,
I haven't done that yet,but I would like too someday, just to see what the values are.

Dave

RE: Who is converting Toro trimmers?
 

Hi scott,
I got the v-stacks from Horzion and the are great for the price. The are chaffer at the exit, so you can use them with a standard choke. Very little tapper through.

Dave

RE: Who is converting Toro trimmers?
 

I odered about 6 items from Horrizon. Got the fuel line...nothing else....not even a word when the rest is coming. When I ordered they said all the items was in stock???????? Capt,n[:o]

RE: Who is converting Toro trimmers?
 

Captain,
I order three v-stacks over the net. They came in about USPS. I wished that I had ordered more. At least you have the low price locked in.

Regards, Dave

RE: Who is converting Toro trimmers?
 

I ordered 4 yesterday. They are being shipped from Ca. So I would suspect another box is on its way from the west coast.

Tp

UPDATE: They arrived 6/29/06 and they are the exact same stack as the Prather. Nice find Dave..

RE: Who is converting Toro trimmers?
 

Captain,
Did you get your V-stacks from Horzion? They are out of stock again.

Dave

RE: Who is converting Toro trimmers?
 

I ordered 50 of them 3 weeks ago. I recieved one. They said it would be 4-6 weeks for thm to get them in. SO 1-3 weeks to go yet :)

RE: Who is converting Toro trimmers?
 

Scott,
Its worth the wait. At 11.99 that would $600. Do you rework your Toro 25 pistons? I'm doing an older 2bbl and it has a hollow wrist pin. The cylinder and block are a little different. Has no squish band and the normal domed piston. It must be generation one.

Dave

RE: Who is converting Toro trimmers?
 

Dave,

I never messed with the pistons. Just did some port work. I know there needs to be a little squish band clearence or overheating and detonation can happen. I think .010 is about the minimum clearence.

RE: Who is converting Toro trimmers?
 

I did get my 2 stacks from Horizon....but it took several days. Capt,n;)

RE: Who is converting Toro trimmers?
 

I know tons of experimenting has been done on this motor.. I have been following the thread and know that I am looking for 11mm walbro carbs.. So far I have located a few used carbs and carb blocks, or (intake manifolds)

Does anyone know of a particular carb mounting manifold that works best with the various walbro carbs? I thought I had read somewhere in this thread or on rc universe that there was a manifold that could be ordered for only a few dollars new at small engine shops. Anyone have a brand an part number to suggest?

I have been having some luck mounting some scavenged manifolds at an altered angle, and modifying them as needed.

thought it never hurts to ask, thanks for any help.

RE: Who is converting Toro trimmers?
 

I do not know of any manifold that will fit the Toro. I always made my own out of Delrin or Phenolic. As for carb, I used more 13.5mm carbs than 11.11. I had better luck and more power with a 13.5mm Zama carb. Or a 12.7mm Zama. A G26 uses a 12.7 so it is no way too large.

RE: Who is converting Toro trimmers?
 

I have the WT 644 and thr # in the ventury is 32 that would make it 12.71 mm

RE: Who is converting Toro trimmers?
 

Oldtimer: Do you have a GT 25 with that WT644 carb on it? Thanks Capt,n

RE: Who is converting Toro trimmers?
 

No, it is unused, I bought it for a Mac 28 but have not converted it yet.

RE: Who is converting Toro trimmers?
 

The carb block from the Zenoah G23 fits, although you have to elongate the pulse "channel".
I used the one that Horizon sells that rotates the carb for a straight shot pushrod.


Joe Petro

RE: Who is converting Toro trimmers?
 

Hi Joe,
Can I assume that you mounted the G23 manifold on a one barrel Toro? Here is a picture of both types. The 1bbl is on the right.

Dave

RE: Who is converting Toro trimmers?
 

Do you have the part# for the twister insulator?

RE: Who is converting Toro trimmers?
 

Oldtimer,
Here is the link for the G23 twister manifold.

Dave

http://www.horizonhobby.com/Products...rodID=ZEN12310

RE: Who is converting Toro trimmers?
 

Thanks for the link. I got one on order this evening.


George

RE: Who is converting Toro trimmers?
 

Yep, it was the single barrel.
I really like how this engine runs... Only now I have to add nose weight to my old bipe, as it had a Ryobi 31 on it! I need a 24 ounce heavy hub... :)

Joe Petro

RE: Who is converting Toro trimmers?
 

Joe,
Who would have thought that a 25cc would work better then a 31cc. I guess a thousand RPM is worth something.

Dave