<VV> Ignition timing question.
UltraMonzaWest at aol.com
UltraMonzaWest at aol.com
Tue Aug 30 00:20:15 EDT 2005
In a message dated 8/29/2005 8:26:50 PM Pacific Daylight Time,
deltainc at grm.net writes:
> my buddies at MSD ( and I am sure others ) market a gadget
> to retard the spark while cranking .. then put in full advance after
> starting .....
>
> reargards, ken campbell, deltawerkes
>
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That, I'm sure is for Engines running on Nitromethane or Alcohol.......
I recurve distributors for ultra high compression street engines / mild
camshaft, with a set of springs like Chrysler used in the 60-70's
1 typical looking, but extremely weak ....extends at 300rpm to allow the
"BASE' timing [ idle]
1 Stiffer for controlling advance until the desired high rpm is
met.........BUT it has a LONG "loop" at one end..leaving SLACK until the weaker
spring reaches the BASE timing.
This allows the engine to crank / lightoff easily......every time...hot or
cold...
Matt Nall / Patiomatt / WCUH / Mr. DeckRug
69 Monza Cpe., 66 Monza vert, 65 Crown v8 Cpe.
Somewhere between Reno, NV and Coos Bay, Or.
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