<VV> 102 engine advice

[Mark Durham]

Michael, even though the 62 102 is a "performance" engine, it takes RPM's
to make that happen. Its hard to get the RPM's up when teamed with a
powerglide. However, performance should be only slightly less than the 110
engine in your tired 69.  I've put 180K miles on a 62 102 but it was teamed
with a 4 speed. Even at that. I advanced the timing a bit at a time until
it didn't want to run well at the top end, then backed it off a couple of
degrees. You can usually get an extra 4 degrees or so, and if that causes
other concerns, like backfiring, etc., I might suspect a cam gear off a
tooth. The engine would need to come out and the bell housing removed to
verify cam to crank gear timing.

Other things to check: Does the car tend to hesitate or stall when you
advance the gas pedal in gear from a stop?
Does it accelerate better if  you pump the gas and you try to go?
When you rev the motor in neutral, does the engine respond quickly to
throttle inputs? Or is there hesitation at first, then it catches up? Does
it backfire or hesitate when you do this?
Have you put a timing light on it and watched the vacuum advance work in
its curve by watching the timing mark, with vacuum hooked up, then vacuum
plugged?
Does the motor repsond better to throttle movements with the vacuum advance
hose plugged?
Do you have good streams of gas shooting into each carb throat from the
accelerator pumps when you move the throttle ?
How does the engine respond to adjusting the idle mixture?
If  you put your hand over one carb opening at a time, air cleaners off, to
shut off the air to one, does the engine respond the same way on both
sides?
Regards

Mark Durham
On Tue, May 21, 2013 at 10:23 AM, Michael Kovacs <kovacsmj at yahoo.com> wrote:

>  Is the 102 PG in  1962 convertible known to be a doggy combination. A
> friend of mine has a particularly underpowered one that has been rebuilt (
> I assume correctly). He test drove my very tired  (110 PG 180K miles)  '69
> coupe that has not been rebuilt and we agree the '69 is so much faster then
> his '62.
>
>  We checked the dwell and timing and it is to spec, carbs go to full
> throttle etc. It idles very smoothly and does not burn oil. Carbs balanced
> etc.
>
>  Any body have a suggestion as how to get this 102 to perform better?
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