Fullauto Head Count

ELMZY · Sep 15, 2016

I just received my 750 Fullauto Head and it looks great !
I had to wait a long time, and for a while there I thought I was going to miss out due to their scarcity.
Lets hope Fullauto can overcome the current production difficulties and keep this quality product on the shelf.
I was a little surprised that mine is only # 194.
I assumed, being a product in demand, it would be a lot higher.
Does the 750 have a separate number run to the 850 ?
Anyone have a higher number ?
Ken ? (an update would be good if you decide to post).

gortnipper · Sep 15, 2016

I have 173, and it is an 850 head.

Fullauto · Sep 16, 2016

Hi Elmzy. Congratulations! You have the highest number currently. The numbers are for both heads, as in, the first numbers in a batch are 850s with 750s tagging along at the end. The last batch is a bit different owing to the fact that I managed to scrounge three extra 750 heads and they forgot one number in the 850s! Which will be taken in the new batch. Glad you like it. Wait until you ride it. You will be impressed with the power characteristics. I've done over 5000 miles (8000 km) now since March and it still impresses the hell out of me. Short shifting and then just rolling on the throttle gives you a nice meaty push in the back. I run a VM34 Mikuni and a PW3 cam. I am doing about 200 km this morning and I am SO looking forward to it. If you're wondering about the mix, I have a MPH speedo ( Smiths electronic ), same as what was on it when I got it. As in MPH. The conversion''s fairly natural to me as I grew up (some say I haven't) when the change to KMH was happening.

Enjoy!

Oh, it hasn't been dynoed so I guess it doesn't make any real power.

Fullauto · Sep 16, 2016

Oh, there are two un-numbered heads floating around in Australia as well, and any special heads, ie filled in ports, combustion chambers not machined etc, aren't numbered, so we are running around the 200 mark.

Rohan · Sep 16, 2016

Fullauto said:
Oh, it hasn't been dynoed so I guess it doesn't make any real power.

that can be actually compared with anything else.

If you are still saying that, you completely missed the point being made....

Seat-of-the-pants engineering is what made british bikes, for eons,
but the dynos were secret squirrel backroom stuff that really made things tick.
Heck, bikes were being sold in the 1920s that came with a dyno chart,
to prove the ad-mens words weren't just hot air..

ELMZY · Sep 16, 2016

Fullauto said:
Hi Elmzy. Congratulations! You have the highest number currently. The numbers are for both heads, as in, the first numbers in a batch are 850s with 750s tagging along at the end. The last batch is a bit different owing to the fact that I managed to scrounge three extra 750 heads and they forgot one number in the 850s! Which will be taken in the new batch. Glad you like it. Wait until you ride it. You will be impressed with the power characteristics. I've done over 5000 miles (8000 km) now since March and it still impresses the hell out of me. Short shifting and then just rolling on the throttle gives you a nice meaty push in the back. I run a VM34 Mikuni and a PW3 cam. I am doing about 200 km this morning and I am SO looking forward to it. If you're wondering about the mix, I have a MPH speedo ( Smiths electronic ), same as what was on it when I got it. As in MPH. The conversion''s fairly natural to me as I grew up (some say I haven't) when the change to KMH was happening.

Enjoy!

Good stuff - thanks mate.
I probably won't get to test it for a while.
Still, if I'm ready before you release 195 +, I'm gunna be REAL happy I snaffled 194.

jug · Sep 17, 2016

You just prompted me to go and look at mine. I got #160 its a 750 head.
JUG 8)

jug · Sep 17, 2016

Fullauto said:
Hi Elmzy. Congratulations! You have the highest number currently. The numbers are for both heads, as in, the first numbers in a batch are 850s with 750s tagging along at the end. The last batch is a bit different owing to the fact that I managed to scrounge three extra 750 heads and they forgot one number in the 850s! Which will be taken in the new batch. Glad you like it. Wait until you ride it. You will be impressed with the power characteristics. I've done over 5000 miles (8000 km) now since March and it still impresses the hell out of me. Short shifting and then just rolling on the throttle gives you a nice meaty push in the back. I run a VM34 Mikuni and a PW3 cam. I am doing about 200 km this morning and I am SO looking forward to it. If you're wondering about the mix, I have a MPH speedo ( Smiths electronic ), same as what was on it when I got it. As in MPH. The conversion''s fairly natural to me as I grew up (some say I haven't) when the change to KMH was happening.

Enjoy!

Oh, it hasn't been dynoed so I guess it doesn't make any real power.

I was also running a 34 Mikuni. I found that I would starve of fuel when I got on it, so I have gone with a set of JS Motorsport carbs, thanks JIM.
jug 8)

Fullauto · Sep 17, 2016

Rohan said:
Fullauto said:

Oh, it hasn't been dynoed so I guess it doesn't make any real power.

Click to expand...

that can be actually compared with anything else.

If you are still saying that, you completely missed the point being made....

Seat-of-the-pants engineering is what made british bikes, for eons,
but the dynos were secret squirrel backroom stuff that really made things tick.
Heck, bikes were being sold in the 1920s that came with a dyno chart,
to prove the ad-mens words weren't just hot air..

I haven't missed any point. You just labour the point long, long after there's any point to it, then you carry the endless nonsense into other threads and even try to drum up support on other forums!

Madnorton · Sep 17, 2016

Something tells me that 194 owners can't be wrong, I'd buy another and may do in the future. Just running stock everything else highlighted that to utilize it fully will require some other improvements, 5 spd box, lighter crank, larger gearbox sprocket etc. At the moment it revs out in a blink in all gears and that's with the big heavy standard crank! Think mine is 154 or 164 - I'll have to check the box.

Rohan · Sep 17, 2016

Fullauto said:
I haven't missed any point. You just labour the point long, long after there's any point to it, then you carry the endless nonsense into other threads and even try to drum up support on other forums!

I said on another forum they seem great. !
But no-one seems to have put one on a dyno to say how great.
I've also said they look like a work of art....

Lets summarise here then.

The FullAuto Head is the best performance upgrade you could buy for your Norton

How much more hp do they make on the dyno ?

Thats a secret, and you are not allowed to ask or to discuss it

In any other walk of life, this would just be bizarre...

Fullauto · Sep 17, 2016

You drummed up the same dyno shit on another forum and it didn't fly there either.

It already is bizarre. You make it so.

Dances with Shrapnel · Sep 17, 2016

Fullauto said:
You drummed up the same dyno shit on another forum and it didn't fly there either.

It already is bizarre. You make it so.

More like Bizzaro!

74ok · Sep 18, 2016

Fullauto said:
I haven't missed any point. You just labour the point long, long after there's any point to it, then you carry the endless nonsense into other threads and even try to drum up support on other forums!

hmm, guess i wasn't the only one thinking ~ maan, this is a blatant pattern ?!

i'd say an available to buy new commando head, now numbering ~ 200, with race results, is spectacular

jseng1 · Sep 18, 2016

jug said:
Fullauto said:

Hi Elmzy. Congratulations! You have the highest number currently. The numbers are for both heads, as in, the first numbers in a batch are 850s with 750s tagging along at the end. The last batch is a bit different owing to the fact that I managed to scrounge three extra 750 heads and they forgot one number in the 850s! Which will be taken in the new batch. Glad you like it. Wait until you ride it. You will be impressed with the power characteristics. I've done over 5000 miles (8000 km) now since March and it still impresses the hell out of me. Short shifting and then just rolling on the throttle gives you a nice meaty push in the back. I run a VM34 Mikuni and a PW3 cam. I am doing about 200 km this morning and I am SO looking forward to it. If you're wondering about the mix, I have a MPH speedo ( Smiths electronic ), same as what was on it when I got it. As in MPH. The conversion''s fairly natural to me as I grew up (some say I haven't) when the change to KMH was happening.

Enjoy!

Oh, it hasn't been dynoed so I guess it doesn't make any real power.

Click to expand...

I was also running a 34 Mikuni. I found that I would starve of fuel when I got on it, so I have gone with a set of JS Motorsport carbs, thanks JIM.
jug 8)

Any performance Commando really needs twin carbs. A single carb goes flat above 5000 RPM and even at low RPM, twin carbs give you twice as much throttle opening as a single for a given amount of twist grip turn and that's a big boost of bottom end grunt. And most single carbs do starve for fuel at WOT.

pete.v · Sep 18, 2016

jseng1 said:
[Any performance Commando really needs twin carbs. A single carb goes flat above 5000 RPM and even at low RPM, twin carbs give you twice as much throttle opening as a single for a given amount of twist grip turn and that's a big boost of bottom end grunt. And most single carbs do starve for fuel at WOT.

Their are exception to this "opinion". I will give you the fact that you mention "MOST single carb starve for fuel at WOT", most certainly not all. In addition, with your upgrades installed on my Commando, I consider mine as a "performance Commando".

Sorry to get off topic cause I sure would like one of these heads too.

Fullauto · Sep 18, 2016

Any performance Commando really needs twin carbs. A single carb goes flat above 5000 RPM and even at low RPM, twin carbs give you twice as much throttle opening as a single for a given amount of twist grip turn and that's a big boost of bottom end grunt. And most single carbs do starve for fuel at WOT.

Great if you rev the nuts off your Commando and want all the performance available but I'm just astounded at the power and torque available everywhere. Well, everywhere that I use it anyway. I am going to try your carbs and we'll see what the difference is.

Maybe I need to put it on the dyno before and after. I wonder why no one has suggested that before?

74ok · Sep 18, 2016

Any performance Commando really needs twin carbs. A single carb goes flat above 5000 RPM and even at low RPM, twin carbs give you twice as much throttle opening as a single for a given amount of twist grip turn and that's a big boost of bottom end grunt. And most single carbs do starve for fuel at WOT.

sounds like in a usual amal deal, i'm not familiar with single carb norton options out there but assume folks have gone with bigger sized single carbs,

eitherway, no question for me that max performance would come from twin carbs

jug · Sep 19, 2016

Fullauto said:
Any performance Commando really needs twin carbs. A single carb goes flat above 5000 RPM and even at low RPM, twin carbs give you twice as much throttle opening as a single for a given amount of twist grip turn and that's a big boost of bottom end grunt. And most single carbs do starve for fuel at WOT.

Click to expand...

Maybe I need to put it on the dyno before and after. I wonder why no one has suggested that before?

Ouch, might touch a nerve. LMAO.

jseng1 · Sep 19, 2016

Pete - yes your big single carb setup is an exception. Its a 40mm Mikini flatslide isn't it? I'm sure there are no fuel starving problems either.

Ken - there's no doubt that your FA head with its raised ports is a good design and a great performer with a wide power band. I'm sure you'll like it even more with a pair of Keihin smoothbores feeding it.

Fullauto Head Count

ELMZY

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