Preparing for the upgrade

slonomo

Well, I already have the 16 hp Vanguard installed in my G1. But....like most of you I'm craving more power. It runs super nice. Pulls hard. Starts easy. Decently quiet. I love it. But, it just needs some more ponies.

So I have some questions for those of you who have Vtwins.

1.) Should I build my spare, aluminum rocker, 16 hp Vanguard?

2.) If so, what should I do to it without sacrificing reliability, smoothness, and easy starting?

3.) If not, should I hold out for a 23 hp Vanguard and keep it almost stock?

4.) Or....should I go with a Kohler 25? (I've heard they are the kings of torque)

Your input is appreciated, especially if you have experience with any of the above. Help me make this engine the last one/ best one for my cart.

BGW

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Field6565

Andy, I would build the 16 from the bottom up. Do the rev kit. When Rich built my motor he didn't buy mine as a kit. Instead he bought the billet retainers, billet pushrods, timing key and also double wrapped springs. Revs out nicely even with the single barrel carb. I would also install the 23hp cam. I think it has .050 more lift than the stock 16 cam. Do the 2 barrel set up on it. Port and polish the heads. I think you will be happy with the outcome.

My 16 runs great with just the rev kit. It's more than what I need at camp. I could just imagine what it would do with more goodies. I bet this motor hasn't seen 4000 rpm yet.

slonomo

Gary, you probably are right, the engine I have works well, and I like the torque and power level for a stock engine. I really want to get this right, don't want a monster. Looking for smooth and reliable power, but impressive/noticable gains.

I think you're right about the billet parts. Rich did tell me about those. Where do I find them? Any ideas?

1989Marathon

Field6565

Rich told me that he gets most of his parts from E.C carburetors. I don't know of anybody else that sells the double wrapped valve springs.

chevydmax6

Andy go big or go home lol build it like brokes motor

Field6565

Lol. He'll build it to push 35 horse, then next month he'll be talking V8 chevy. I mean, it's just all part of the process.

slonomo

Ha ha very funny. Wait....a V8? Hmmmmm My wife's gonna be pissed!

chevydmax6

U will be in trouble lol wait I don't think your wife can be a mean wife like u say

slonomo

Sheesh! I guess I didn't know they sold the billet pushrods. And they even have Isky springs? Ok. I'll look no further! I know they've been doing Vanguards for a long time. Guess it's time to call CPP again! LOL

Uh....and Don? .... You're right again. I gotta stop this madness!!!