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I noticed nobody talked about exhaust heat. I have (2) 3/8" copper lines that I bent up under the plenum. I know more heat would probably be better, but these were easy, cheap, quick, and will never leak coolant. I also tried copper scrub pads between the plenum and the top of the engine. That...

I've been messing with a grid heater. At full power (12 amps), it works great, but the charging system can't handle it. Have to keep it below 6 amps or so to avoid draining the battery (used a PWM from Ebay). Swapped out to an HID headlight (35w) and replaced brake lights with LEDs. Gained a few...

Just got back from first ride. I think I'm a little too rich on the bottom now, but the stumble is almost gone. Had to turn on heater to smooth out idle. About 65 degrees out right now. I'm actually thinking of going up to a 115 main and backing the pilot down. Thoughts?

Well, I finally did it. I increased the jets in my primary. As the weather has gotten colder, the stumble has gotten worse. Initial results are encouraging. The air corrector fought me all the way out though. ended up with brass shavings in the well. Took a handful of Q-tips to clean it all out...

Still runs best at full power, but with the weather warming up, it's running real nice. Manifold still cool when running. I will be adding coolant heat before winter, but right now I'm pretty happy. Wife just bought a new Harley Dyna Low Rider, so I've been chasing her all over the place. I...

Up to 6 amps now. Still not as responsive as it was at full power, but better than not having it. Switching to a 35w hid headlight freed up a couple of amps. I think my next step is to try a better heat source for the manifold, as whenever the bike has been sitting for a few minutes after being...

PWM finally showed up! Works great, just can't be connected to a grounded load. Had to make sure the manifold was isolated. Got it set for 3 amps (around 40 watts) as a starting point as that is about all my charging system can handle right now. I'm also going to an HID headlight which will free...

I didn't get a chance to. The resistors got too hot and one of them failed. It seemed that all of the current was being converted to heat at the resistors. We had worked out ohms law and my target was 3 ohms total, but 4 was doable with the resistors available. The pwm seems like it will be a...

Yes. That is the one I used. It grounds to the manifold, so I had to run a ground wire to one of the carb. studs. I used RTV on the bottom and a gasket between the heater and the carb. Mike

I know I will lose heat. I'm trying to get what I can until I decrease other loads and/or do the alternator conversion. The 150 watts the grid heater draws is just too much for my charging system. I tried to email Don Piggot but it kicked back.

Today I tried using resistors to lessen the draw of the grid heater. I used (2) 6 ohm 25 watt resistors in parallel. They did reduce the total load, but not like I expected, and they got really hot. Too hot. I'm going to try a pwm controller next. I found one on eBay for around $10 that looks...

Yes, empi type 4 manifold. Langdon's 32 dft. Some heat from exhaust cross- overs. No jetting changes. The grid heater is from an 83-85 escort, same as the carb. With it on, you would swear the bike is fuel injected. Simply perfect carburetion. Problem is, it draws 12 amps. Actually had to bump...

Ride report.... Magic Bullet. That's what I was hoping for, that's what the grid heater is. My GL1200 now carburetes perfectly. No hesitation. No flat spot. I can role the throttle from 1500 rpm and it just pulls. It's actually a little jumpy! I have to imagine that my mileage will improve as...

I finished installing the grid heater today. It appears to help even without power applied. Not sure if it's because it spaces the carb up 3/8", the waffle grid, or both. Good thing, as it draws over 12 amps! The electrical system was not happy about it at all. I tied it into the acc. terminals...

Got the grid heater today. I'm having to do some clearancing to get it to fit down in the manifold. It's a little bigger than I thought it would be. Also needed to make longer carb studs. I should be back together tomorrow. It will take me a little while before I can report on results. Also...

The St1300 seems more like the proper evolution of the goldwing than the 1800, imho. One of my local dealers has a nice one right now for $6k. Kinda tempting........

A while back, Aapple suggested the Ford grid heater that was designed to be used under the 740 carb on the Escort. I bought one today. If it helps like I expect it to, drivability should improve along with mileage. I will try this before messing with the jets, as except for the hesitation, I...

It has been suggested to try the grid heater that Ford designed to cure drivability issues with the Escort using the 740 carb. Part # E3FZ-9F732-A. As far as I can tell, nobody actually tried it, even though a very logical argument was presented supporting it. I bought one on EBay today. I will...

Even though they share displacement, it sounds like your motor is quite different from mine. Also, altitude and temperature are bound to be different between our zip codes. It is pretty warm here in San Diego compared to most of the rest of the country. My elevation is around 400'. Mike

Tan. Perfect looking really. But I would like to replace them anyway. What is the "best" plug for a 1200? The current ones are dpr8ea9 NGK which seems to be the most common. Mike