Re: How to "LOCK" small block distributor
[Re: moparmikethree]
#1407978
03/24/13 05:00 PM
03/24/13 05:00 PM
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Joined: Oct 2005
Posts: 1,305
Lakewood, Colorado
herkamer
pro stock
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pro stock
Joined: Oct 2005
Posts: 1,305
Lakewood, Colorado
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Weld the 2 pins on the weights to the slotted part where the weights are attached. Or go with a later model one from a lean burn that is already locked. That's what I used for my EFI conversion.
Matt
69 Dart Swinger 340
83 W350, Megasquirted with 46RH
Old news: 72 Demon street/race mobile
Latest: 70 Duster backhalf car
and even more
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Re: How to "LOCK" small block distributor
[Re: Challenger 1]
#1407982
03/24/13 06:41 PM
03/24/13 06:41 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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I wouldn't either but if you do first drill a 1/2" hole in the dist cap flat 2/3 of the way between the center terminal and the #1 cap terminal so you can check rotor phasing with your timing light & run the dist & pump up the vac adv gradually with a Mityvac till the rotor phasing is dead on & note the in hg on the gauge then on your bench pump in that amt of vacuum & drill a vertical hole thru both plates in an appropriate location & lock em together in that position with a bolt/nut & use a spacer on the mini bolt inbetween the plates so they stay parallel when you tighten the nut. Then can remove the vac can & cover the hole in the side of the dist with a plate or keep it there to cover the hole. Not sure what to do on the weights but others have commented on that
live every 24 hour block of time like it's your last day on earth
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Re: How to "LOCK" small block distributor
[Re: moparmikethree]
#1407983
03/25/13 01:06 AM
03/25/13 01:06 AM
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Joined: Jun 2008
Posts: 1,822
Colorado
denfireguy
top fuel
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top fuel
Joined: Jun 2008
Posts: 1,822
Colorado
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Quote:
Because of my engine combo, my Machine shop/Engine builder
suggested that I LOCK my small block distributor.
What he wants to try is run about 34-36 timing all the time.
remove the weights and the vacuum advance.Advance the pic-up plate, and then lock it. I have a lot of distributors
so i don't mind messing with one or two.
Can't find this anywhere on the net. does anyone know how to do this?
Thanks Mike
If you want to try this first, find a lean burn distributor. There must be a bunch of them around since everyone wants to change them back to vacuum and mechanical advance. I would not muck up a good distributor for a project that you may want to go back on. Then again, the new billet distributor may be the way to go if you need advance again.
Craig
2014 Ram 1500 Laramie, 73 Cuda
Previous mopars: 62 Valiant, 65 Fury III, 68 Fury III, 72 Satellite, 74 Satellite, 89 Acclaim, 98 Caravan, 2003 Durango
Only previous Non-Mopar: Schwinn Tornado
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Re: How to "LOCK" small block distributor
[Re: denfireguy]
#1407984
03/25/13 09:19 AM
03/25/13 09:19 AM
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Joined: Nov 2009
Posts: 2,177
ill
dennismopar73
top fuel
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top fuel
Joined: Nov 2009
Posts: 2,177
ill
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You can buy new lean burn plates at any auto parts store!
Yes they work just fine,as I have used in them for years,
Not ideal if you are looking for fuel mileage,but if it is a performance car,,fuel mileage is the last thing you do worry about!
as for rotor phasing ,you can drill holes as mentioned ,or buy a see thru cap , I have made my own rotors to compensate for the off rotor phasing,and most times , the 'bug' can be ground to make up most the issues,
Last edited by dennismopar73; 03/25/13 09:21 AM.
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Re: How to "LOCK" small block distributor
[Re: 80fbody]
#1407987
03/25/13 10:31 AM
03/25/13 10:31 AM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
A little JB Weld in the slot does the trick. nothing fancy. Works great. Ran my small block on the street like that for years. One less thisng to deal with. Once you set it, there's never a thought about advance, springs, etc. No starter issues either. Certainly may not be the best for a high compression motor but a street car with a mini starter will be just fine.
And I'll bet you my motor runs better than yours.
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Re: How to "LOCK" small block distributor
[Re: Challenger 1]
#1407988
03/25/13 12:37 PM
03/25/13 12:37 PM
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Joined: Oct 2006
Posts: 596
Mass.
80fbody
mopar
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mopar
Joined: Oct 2006
Posts: 596
Mass.
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Quote:
And I'll bet you my motor runs better than yours.
Would you like a sticker? You sound like a 4 year old. Good job.
O.P., I only changed the plugs once or twice in nearly ten years of that motor. I never really had any issues with it. I did actually switch to a well curved distributor but my car really liked all the timing from idle. It was a .509 cammed small block. It did tend to idle a little higher (1000 rpms)but that really was the only thing I can think of. It may have been the advance on the cam as well. Having extra distibutors, I'd try it for the cost of some JB weld. Heck, that stuff's fun. Good Luck.
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Re: How to "LOCK" small block distributor
[Re: 80fbody]
#1407989
03/25/13 12:45 PM
03/25/13 12:45 PM
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Joined: Feb 2003
Posts: 12,675
Columbia, CT
moper
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 12,675
Columbia, CT
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On a race car, meaning basically a narrow throttle and rpm window, a locked out ignition is fine and it eliminates a lot of worry or potential for surprises. But if your car has to run pump fuel, idle, run at light, part, and full throttle, and rpms from 700 to 6+ over the course of a summer - the right set of ignition advances will work much better. No engine "likes" a single timing setting for any more than a single throttle opening and rpm range. no sticker needed here. Just my opinion. 
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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