Hi
I had a local Dist. shop here in Phoenix build me a elec.ign. system using a
250 Chevy V6 distributor for my 235 ci Chevy 6. they had to move the gear down
about .125
Bob
Jack Halton wrote:
> Very well said, Jim, and my feelings exactly. Mallory is one of those
> well-respected old speed equipment names, and a Mallory decal looks cool on
> the firewall, but getting rid of a non-vacuum Unilite was the single best
> thing I ever did in getting my GMC 6 to run properly.
>
> Every engine is a little different, but vacuum advance will provide
> additional "burn time" under any light load condition - idle and cruising
> specifically. It's like a free lunch. Better fuel economy is the most
> obvious improvement, but it also provides improvements in idle quality,
> cooling, throttle response and driveability. Sometimes the results are
> subtle but often they are very noticeable. Of course if you run at WOFT all
> the time, it's a different story.
>
> I am especially leery of Mallory (and aftermarket ignitions in general)
> after a module failure stranded me 600 miles from home. The "good ole boy"
> who lent me a 216 points distributor from his junkyard on a Saturday
> afternoon said " Y'know, if that'd been an HEI, we could just pick up a
> module at the K-mart". HEI distributors may be too "modern-looking" for
> some, but they get the job done.
>
> Jack / Winter Park FL
>
> > I would sooner have a stock point distributor than a Mallory
> > anything...sorry, just my personal experience speaking. Others have
> > excellent luck with Mallory stuff, but not me!
> >
> > Vacuum advance is there for fuel mileage...it advances the timing when
> > the engine is not under load, which improves efficiency and reduces
> > running temperature. In other words, it is a good thing, which you
> > ought to have. Racers generally don't want vacuum advance, because
> > racecars are designed to operate under wide open throttle, and what
> > happens under any other operating condition is unimportant. And, lots
> > of folks think that whatever is good for a race car must be even better
> > for their street car :) so the uninformed just do what the racers
> > do, and run mechanical advance only distributors.
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
|