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Old Aug 16, 2005 | 03:35 AM
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guys,
if i get a new distributor from summit or the likes will it be set up and ready to fit,
or,
will i still need to check fiddle around with springs and weights,
thanks,
natt
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Old Aug 16, 2005 | 03:51 AM
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Originally Posted by camaroneil
guys,
if i get a new distributor from summit or the likes will it be set up and ready to fit,
or,
will i still need to check fiddle around with springs and weights,
thanks,
natt
I bought from summit the MSD Pro Billet Corvette tach drive distributor. I did chance the springs and the stop bushings . there is simple instructions included. Most likely you need to adjust them - or then youre just really lucky. Do you know what timing specs you have now? (initial+mechanical and vacuum)
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Old Aug 16, 2005 | 03:55 AM
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i know-ish what the current settings are,
but i want to get it just right,
i know i have some end play in the end bushings and was thinking it would be just as easy to get a complete new distributor than start to rebuild this one,
natt
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Old Aug 16, 2005 | 04:03 AM
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Thay usually set the new ones with long and slow curve meaning safe and not not good for performance, but as said at least MSD tach was easy to set in place. I have now 18 initial + 18 mechanical all in bu 2500rpm, but mine BB is not stock its more around 500hp.

With a more stock less initial and alower curve might be better/needed, you just must listen that it isnt pinging when finding the limit to use fastest posible curve...
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Old Aug 16, 2005 | 10:48 AM
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Originally Posted by camaroneil
will i still need to check fiddle around with springs and weights
Yup. How to set your timing for peak performance by Lars

I bought one of them there spring & weights kits. I found the lightest springs in the kit were heavier than stock springs and the weights in the kit were lighter than stock so I don't know how anybody can get those kits to work for them... Anywho, I threw the weights in the lake & kept the springs. I got big heavy weights out of an old Buick distributor I bought at a swap meet for $1. Took a drill and bench grinder to the weights, played with different springs and voila!
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Old Aug 16, 2005 | 12:33 PM
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Any off-the-shelf distributor you buy, whether a generic Summit or a top-of-the-line MSD, will have a long and slow advance curve. The manufacturers always set them up very conservative to reduce or avoid liability problems. Thus, any distributor has pretty good room for improvement. But any new distributor can certainly be used "as-is" and still provide a reasonable level of performance - the amount of tuning you do is up to you.
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Old Aug 16, 2005 | 12:43 PM
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lars,
i want to make best use of the carb ya rebuilt for me a while back,
so i'll get myself a spring and weight kit for the new distributor when i get it,
i feel some "fiddling" coming on !!!!!!!!!!!!!!!
thanks,


boofers,
which kit did you get????

natt
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Old Aug 16, 2005 | 12:50 PM
  #8  
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I got an MSD Probillt, I love it. It was definitly worth it.
It's easy to adjust the curve, they have charts and graphs and things... the total mech advance is settable with a bushing, very easy ( no welding and filing)

It also has almost zero spark scatter, unlike my stock one that I worked on a lot to make better...
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Old Aug 16, 2005 | 01:03 PM
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Originally Posted by camaroneil
boofers, which kit did you get????
Here is the link to the place I bought it from, don't know who the manufacturer is. Go to the last page of the link (page 96) Part Number 40103 "GM ELECTRONIC DISTRIBUTOR RECURVE KIT".

Canadaian Hi Performance Discount Catalog

Looks a lot like the same kit as Summit part number SUM-G5212. Looking at the Summit website it looks like some of the brand name kits are of a bit better quality...
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Old Aug 16, 2005 | 06:39 PM
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Originally Posted by camaroneil
guys,
if i get a new distributor from summit or the likes will it be set up and ready to fit,
or,
will i still need to check fiddle around with springs and weights,
thanks,
natt
My stock dist on my 79 recently puked and I replaced it with a Mallory HEI from Summit for @ $150. It came with a set of springs installed and a package of three additional spring sets. I started off installing the lightest set of springs but got advance way too soon. Ended up putting the original springs back in and the advance curve is almost perfect now. I've heard some people here on the Forum critize Mallory's but so far so good with mine.
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Old Aug 16, 2005 | 07:40 PM
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has anyone tried one of these?

http://www.madvet.com/shop?frame=4.140.5049
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