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Search: Posts Made By: dorset
Forum: The Board 07-14-2019, 07:29 PM
Replies: 13
Views: 1,249
Posted By dorset
Re: land speed racing, maine, 2019

i have six weeks to put another motor together. have to look inside, but the important part is the head. its a 1972 9 and a half bolt head, the last of the 650s. ported by rob hall. need to see how...
Forum: The Board 07-12-2019, 10:36 PM
Replies: 13
Views: 1,249
Posted By dorset
Re: land speed racing, maine, 2019

oops


https://i.imgur.com/Ot1tzzhl.jpg


still don't know why, but we took a rod through the cases.
Forum: The Board 07-04-2019, 06:51 PM
Replies: 13
Views: 1,249
Posted By dorset
Re: land speed racing, maine, 2019

it's way up so far north the far end of the course has your cellphone switching to canada. i am not kidding.


safety inspections are wednesday, 10 july, and racing continues through sunday, 14...
Forum: The Board 07-03-2019, 02:20 PM
Replies: 13
Views: 1,249
Posted By dorset
land speed racing, maine, 2019

we're headed for maine in a week.

running a 1965 triumph 650, and looking for 140 mph.

https://i.imgur.com/vDS8gZCl.jpg

this machine has done 135.259 so far, with a production frame, no aero...
Forum: The Board 03-05-2019, 09:55 PM
Replies: 19
Views: 1,286
Posted By dorset
Re: Need Triumph guru's advice for carb choice

i use mikunis and keihin FCRs on a 650 and a big-bore bonneville. they're very similar, although the keihin has a nice accelerator pump. with the mikunis, starting jetting is pretty straightforward,...
Forum: The Board 11-15-2018, 09:23 PM
Replies: 28
Views: 2,416
Posted By dorset
Re: Triumph 650 Help

the No 78 drill is the actual size that the metered orifice needs to be in those carburetors. they can be varnished up too small and still let you squirt cleaner through them.

i dunno the decimal...
Forum: The Board 11-14-2018, 02:04 PM
Replies: 28
Views: 2,416
Posted By dorset
Re: Triumph 650 Help

hey bud

nice looking OIF.

nothing you can do will make sense until you verify that you're getting fuel. take the petcocks off and soak them in fresh gasoline until they flow. in th emeantime,...
Forum: The Board 09-17-2018, 08:40 PM
Replies: 9
Views: 1,028
Posted By dorset
Re: Extra hands on the Victor

i start with the tequila first and then i don't care about the food
Forum: The Board 09-12-2018, 09:45 PM
Replies: 9
Views: 1,028
Posted By dorset
Re: Extra hands on the Victor

that's what it's all about.

any time i mess with my victor i consider it a success if i can sit afterwards without a broken leg.
Forum: The Board 08-18-2018, 12:27 PM
Replies: 30
Views: 2,320
Posted By dorset
Re: 66 Triump tough to find first gear

lol

time to light a candle to the departed soul of edward turner.

it appears that there may have been a number if trivial issues that were all still in-spec but combined together to cause the...
Forum: The Board 08-16-2018, 11:30 PM
Replies: 30
Views: 2,320
Posted By dorset
Re: 66 Triump tough to find first gear

the symptoms are consistent with a worn camplate, plunger, a weak spring, or all three. but you've looked at all that, so i'm not sure where to go. there are three camplates: T500, T3650, T4055. the...
Forum: The Board 08-15-2018, 02:56 PM
Replies: 30
Views: 2,320
Posted By dorset
Re: 66 Triump tough to find first gear

the round plunger is the new one, supposedly better than the angular one. use with a standard spring, they say.

i am not an expert on triumph camplates, but people who know more than me say that...
Forum: The Board 08-15-2018, 10:32 AM
Replies: 30
Views: 2,320
Posted By dorset
Re: 66 Triump tough to find first gear

think about it. the camwheel rotates only clockwise and counterclockwise. if you index it in the wrong tooth on the quadrant, the quadrant will select one or more gears and then will bump the roof or...
Forum: The Board 08-06-2018, 09:26 AM
Replies: 30
Views: 2,320
Posted By dorset
Re: 66 Triump tough to find first gear

if you have four gears with a neutral between first and second, your transmission is correctly indexed.
Forum: The Board 07-23-2018, 05:36 PM
Replies: 60
Views: 3,391
Posted By dorset
Re: Bolivia Salt

i think this is correct, in theory. a carburetor doesn't understand air density-- it just meters fuel according to the vacuum signal it gets through the metering holes. some tuning combinations will...
Forum: The Board 07-23-2018, 05:12 PM
Replies: 30
Views: 2,320
Posted By dorset
Forum: The Board 07-21-2018, 04:56 PM
Replies: 30
Views: 2,320
Posted By dorset
Re: 66 Triump tough to find first gear

pull out the camplate plunger from underneath and see if the end is worn round. it may not be snapping into tbe notch on the camplate securely. check the spring length. too.

i recently shimmed a...
Forum: The Board 07-19-2018, 09:13 PM
Replies: 60
Views: 3,391
Posted By dorset
Re: Bolivia Salt

those are both continental classic attack radials, with tubes.

front is 100/90-19-57

rear is 110/90-18-57

i ran with 50 psi last year, only 40 psi this time around. i've run avons before,...
Forum: The Board 07-19-2018, 08:20 AM
Replies: 60
Views: 3,391
Posted By dorset
Re: Bolivia Salt

here you go. its lots dirtier today. havent had time even to hose it off.

https://i.imgur.com/LWD28KJl.jpg


https://i.imgur.com/iQ4x1bJl.jpg
Forum: The Board 07-19-2018, 07:50 AM
Replies: 60
Views: 3,391
Posted By dorset
Re: Bolivia Salt

i love maine. where else can your kids spend their time picking wild strawberries 30 feet from your pit?

https://i.imgur.com/Xh4RRkK.jpg

https://i.imgur.com/9jiH60ml.jpg

the other great...
Forum: The Board 07-19-2018, 07:38 AM
Replies: 60
Views: 3,391
Posted By dorset
Re: Bolivia Salt

i didnt know you could keep running. that makes a difference. all my fastest times were within about 90 minutes of each other, cool morning, RAD 105 percent, miraculous tailwind. when everything is...
Forum: The Board 07-18-2018, 05:39 PM
Replies: 60
Views: 3,391
Posted By dorset
Re: Bolivia Salt

what i like about the airstrips is that i can tune tbe bike as i go.

i got 29 runs at loring last weekend. my tanks hold three runs worth of fuel, so i make a change, run three times, then head to...
Forum: The Board 07-16-2018, 08:09 PM
Replies: 60
Views: 3,391
Posted By dorset
Re: Bolivia Salt

expensive to run.

entry fee was US$10,000 this year, i believe, then they doubled it to make sure they had enough money to make it happen.

too rich for me.
Forum: The Board 01-23-2018, 08:01 PM
Replies: 4
Views: 648
Posted By dorset
Re: 71 T120R exhaust size

you have pipe in head?

adding tap-in spigots makes things easier. i use aluminum spigots with a 1.75 OD, then drop to 1 5/8 for the pipes, two into two. 38 inches gives me 128 mph, with some other...
Forum: The Board 12-26-2017, 07:39 PM
Replies: 9
Views: 1,200
Posted By dorset
Re: Bending a Triumph rocker oil feed line

what a pain in the ass this is.

sorry.
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