Re: Ignition Tuning

[Herb <zephyr9900@xxxxxxxxxxx>]

Bill,

A cruiser, well if you were looking for the cam lope to impress as you
slowly roll by you have to accept the bad performance or spend the money to
make it work (Run Good)!  What duration is the cam big duration kills
lowend?  Your 2.93 is killing you no torque no pull.  When you put a big
lift & especially big duration cam in you loose low end power and have to
compensate for it by lowering your rear end gears.    Also you probably have
a big converter that is killing you also.  You need at minimum to find a
small factory one out of a performance car, Junkyards should have them
fairly cheap.  Their are a lot of variables to look at like what kind of
timing chain & gears did you use as a lot of after market ones need to be
dialed in with offset keys, what kind of intake are you using because a
single plain is a torque killer, what kind of headers and exhaust are you
using because big tubes kill torque, were is your timing set at, jetting on
the carb and so on.  Changing just a cam almost always or at least 99% of
the time has the outcome your experiencing.   The cam is down on the list of
needed parts for performance Enhancers.  List what All you have done to the
engine and what bolt on power adders you have.  Then we can start you down
the road to recovery!!  (-;

    
 Herb 
 
1959 Coronet 326 Poly
1963 Fury 2D/HT 6.1
1963 Sport Fury Convertible 361
1970 Challenger RT 440
1999 Durango SLT 5.9
2006 300-C Heritage 5.7
2008 SRT-8 Magnum 6.1
St. Louis, MO.
 
 
-------Original Message-------

From: Bill
Date: 03/08/09 15:41:13
To: 62-65 Mopar List
Subject: Ignition Tuning
 
OK...now that I have the cam FINALLY broken in, and a carb kit on the
way for my AVS, I need to do some fine tuning. When I put my buddies
Edelbrock carb (box stock and untouched) on the car for break in, it
seemed to run pretty well. But when we drove it, it didn't seem to
have much more power than my stock 2bbl setup @ lower rpm's, and it
wasn't super impressive @ the higher end. I'm guessing tuning the
distributor is next and I've never messed with ignition curving before
so I definitely need some help. Besides tuning the distributor and
some tweaks on the carb, what else can I do to it?
 
For now I'm be running a Carter AVS, Pertronix electronic ignition,
.450 lift cam, stock convertor, and 2.93 gears. This car is a cruiser,
but I want some power ans expected much more from the swap right away.
Was I Wrong? Suggestions?
 
Thanks!
--
Bill M
65 Coronet 500 'vert
http://1962to1965mopar.ornocar.com/mmo62008.html
[Non-text portions of this message have been removed]


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