Slant Six Forum
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Slot length/Dizzy
https://slantsix.org/forum/viewtopic.php?t=22226
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Author:  BigBlockBanjo [ Mon Mar 12, 2007 8:13 pm ]
Post subject:  Slot length/Dizzy

O.K.. I read for 1 hour after searching for "recurving". Part # is:3656257. It has points, with an adjustable vac. advance. It has 9.5X stamped on the arm. It also has the "high-performance" 15R piece. :shock: :D
My question is, how long is the slot on a 10R? I read and read, but I either ran over it, or didn't understand.
This is the only dizzy I have, so I'd rather do it right the first time.
Thanks guys,
BBBanjo

Author:  emsvitil [ Mon Mar 12, 2007 8:52 pm ]
Post subject: 

To determine slot length you need to do some measuring and some math...........

1. Measure diameter of pin
2. Measure length of existing slot
3. 2. - 1. = existing movement available
4. 3. / (existing degrees advance) = distance per degree
5. 4. * (degrees wanted) = movement wanted
6. 5. + 1. = new length of slot.

Author:  Doctor Dodge [ Mon Mar 12, 2007 8:53 pm ]
Post subject: 

Where do you set your initial advance and how much total do you need??
DD

Author:  BigBlockBanjo [ Tue Mar 13, 2007 9:43 am ]
Post subject: 

emsvitil, thanks for the info!
Doc: I have no idea. I'm getting ready to start up my slant for the first time. I did understand I want alot of initial, I just thought I'd go ahead and modify the part before, so I have that much less to deal with later.
I'll be driving everyday, so I don't need a race curve...just something to go with the better cam and intake. I'll have to fine tune it after she gets broke in.
Thanks,
BBBanjo

Author:  DusterIdiot [ Tue Mar 13, 2007 12:32 pm ]
Post subject:  Uff...

Quote:
I have no idea. I'm getting ready to start up my slant for the first time. I did understand I want alot of initial, I just thought I'd go ahead and modify the part before, so I have that much less to deal with later.
If you're just starting up the motor for the first time, just run the stock distributor at a lower setting like TDC so you can break it in without worry of pinging, then once everything is 'worn in /worked out' then you should change your timing curve... Even my timing curve is nothing like it was when I started my mill the first time...better safe than sorry...

Time to get a second distributor (one for driving, and one for 'testing').

-D.Idiot

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