<VV> 102 engine advice

[Mark Durham]

Corey, the only pg expereince I've had was in a 56 Chevy with a 265 v-8
(that was also a dog) in 1966 before I got my first 62 coupe 102 with a 4
speed, and I had no issues with the car, so I can't help, but there are
lots of folks here that run the powerglide and should be able to help  you
out. Mark Durham

On Wed, May 22, 2013 at 5:26 AM, <coreyp117 at comcast.net> wrote:

>  Mike and Mark, thanks so much for following up on my engine issue.
>
>
>
> Mike, I plan to accomplish Marks suggested tests today.  I advanced the
> timing to 20 deg after you left yesterday.  No great increase in hill
> climbing power, but the engine runs without any problem at that setting.
>
>
>
> Re: the unrelated PG shifting problem, I spent time last night studying
> the Service Manual instructions for adjusting the TV lever.  I'm not sure
> that we did it correctly last year, and I'm going to re-do it today.
>
>
>
> Mike/Mark, the Service Manual PG troubleshooting section lists a faulty
> governor as one the the potential causes for PG shifting  issues.  Do you
> know how to check the governor for serviceability?  I had removed mine
> during my restoration and replaced the seal, but I did not check it for
> function.  Mike, do you have a spare governor?
>
>
>
> Thanks.
>
>
>
>  - Corey
>
>  ------------------------------
>
> *From: *"Michael Kovacs" <kovacsmj at yahoo.com>
> *To: *"Mark Durham" <62vair at gmail.com>
> *Cc: *coreyp117 at comcast.net, "VV" <virtualvairs at corvair.org>
> *Sent: *Tuesday, May 21, 2013 6:33:35 PM
>
> *Subject: *Re: <VV> 102 engine advice
>
>   Mark a lot of good questions. ANSWERS BELOW. I'LL FOWARD THIS TO COREY.
>
>   *From:* Mark Durham <62vair at gmail.com>
> *To:* Michael Kovacs <kovacsmj at yahoo.com>
> *Cc:* VV <virtualvairs at corvair.org>
> *Sent:* Tuesday, May 21, 2013 5:34 PM
> *Subject:* Re: <VV> 102 engine advice
>
>  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.
>
> OWNER DID HIS OWN REBUILD RECENTLY. HE IS NOT A CORVAIR PERSON , BUT STILL
> VERY ENGINE SAVVY
>
> Other things to check: Does the car tend to hesitate or stall when you
> advance the gas pedal in gear from a stop?NO NO
> 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 ? NO
>  Does it backfire or hesitate when you do this? NO
> 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? NOT YET
> Does the motor repsond better to throttle movements with the vacuum
> advance hose plugged? NO
> Do you have good streams of gas shooting into each carb throat from the
> accelerator pumps when you move the throttle ? YES
> How does the engine respond to adjusting the idle mixture? DIDNT DO YET
> 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?  NOT TRIED
> 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?
>
>
>