<VV> powerglide speed

[wfcc at mediacombb.net]

A long, long time ago in a Galaxie.... (not even a 500)---- -- Oh wait, that's already been done. I had a 110, PG, Rampside (that was a work in progress) that we took to a car show about 40 miles away and we had several Corvairs to show. My wife chose to drive the Rampside back and I drove a 66 Monza Convertible, 4 spd , About halfway back on I-10 (speed limit 70 MPH) I noticed that she had slowed down a bit , I pulled along side and the Rampside was screaming, like 5000 rpm screaming, I motioned her to pull over and asked her what the H*** was going on, she said it started getting louder about five miles back  but seemed to be going OK and she had to push harder on the gas pedal so she wasn't too concerned. It had shifted down to low.  I forget what the problem was (probably the E-Clip). Many years later we had the same problem in an Ultravan but it was the governor that had broken the tab off and had slipped out, but that's another story
                                                              Ed Lindsay
                                                               West Florida Corvair Club

----- Original Message -----
From: Jay Maechtlen via VirtualVairs <virtualvairs at corvair.org>
To: Michael Kovacs <kovacsmj at yahoo.com>, VV <virtualvairs at corvair.org>
Sent: Mon, 02 Nov 2015 20:56:20 -0500 (EST)
Subject: Re:  powerglide speed

On 10/31/2015 12:34 PM, Michael Kovacs via VirtualVairs wrote:
> While legally driving my '66 140 PG, I noticed several times with the PG locked in low, the engine would only rev up to about 4400 before it started misfire/break up. This happened 3 times. This equates to about 55-60 MPH.
> Is this due to any physical restriction built into the system? The engine was pulling very strongly and accelerating just fine at this point.
> It is a strong rebuilt engine with true compression at 9.25:1 and a mild cam. I just realized this week that the sparkplugs were not changed since the rebuild about 30,0000 miles ago. If one starts to misfire at this rpm, could it cause the problem?
> Recommendation for spark plugs please...
that's odd - I didn't see any responses to this.
It seems to me that crappy plugs could cause misfire at full throttle in 
higher revs.
Of course, so could other things, but 30k on the plugs means that it's 
probably time for them anyhow.
I've never heard mention of built-in rev limiters on stock Corvairs.

I've seen a number of discussions here on plugs, so a an archive search 
"should" work well.

There's a discussion starting 8/27, another at 6/2
-- 
Jay Maechtlen
SoCal
'61 2-dr modified w/fiberglass skin,
transverse 3.8 Buick V6 TH440T4 trans

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