Scott Ellingson

My Feedback: (146)

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

davewallace

My Feedback: (29)

Scott,
Your welcome.

Dave

Tom in Cincy

My Feedback: (16)

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

davewallace

My Feedback: (29)

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

Dave

davewallace

My Feedback: (29)

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

captinjohn

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[]

davewallace

My Feedback: (29)

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

Tom in Cincy

My Feedback: (16)

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..

davewallace

My Feedback: (29)

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

Dave

Scott Ellingson

My Feedback: (146)

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

davewallace

My Feedback: (29)

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

Scott Ellingson

My Feedback: (146)

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.

captinjohn

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

foodstick

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.

Scott Ellingson

My Feedback: (146)

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.

oldtimer2

My Feedback: (19)

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

captinjohn

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

oldtimer2

My Feedback: (19)

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

Joe Petro

My Feedback: (1)

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

davewallace

My Feedback: (29)

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

oldtimer2

My Feedback: (19)

Do you have the part# for the twister insulator?

davewallace

My Feedback: (29)

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

Dave

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

oldtimer2

My Feedback: (19)

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


George

Joe Petro

My Feedback: (1)

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

davewallace

My Feedback: (29)

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

Dave