Re: pulley blues

["'DAVID HURD' via The 1962 to 1965 Mopar Mail List Clubhouse" <1962to1965mopars@xxxxxxxxxxxxxxxx>]

On my 413, the fan pulley on harmonic balancer has a harmonic balancer set up of its own.  

That pulley went bad and when it wobbled that caused power stirring and alternator belts to roll and break.

I thought at first it was the harmonic balancer that was the problem and it was the fan pulleys.

I swapped that with an aluminum racing set up that was way lighter.

The wobble problem was subtle.  About 6 months ago at a Concours de Elegance Show, the judges pointed out that one of the fan bolts had come loose and at acceleration the bolt would suck back in and at deceleration push out,  fortunately it floated a hairs breadth sort of the fan and didn’t hog out the radiator.

The loose bolt was a sign the damper pulley was failing.

David C Hurd

via iPhone

On Apr 12, 2019, at 10:48 AM, chuckiiikropke <chuckiiikropke@xxxxxxxxx> wrote:

I am not sure on the 361 but on my 440 the pulley is clocked like a flywheel it goes on one way. I just put march v belt pullies on over the winter and I had to turn it a few times to line up correctly.

Sent via the Samsung Galaxy S7 active, an AT&T 4G LTE smartphone

-------- Original message --------

From: 'george smith' via The 1962 to 1965 Mopar Mail List Clubhouse <1962to1965mopars@xxxxxxxxxxxxxxxx>

Date: 4/12/19 9:34 AM (GMT-06:00)

To: 1962to1965mopars@xxxxxxxxxxxxxxxx, 62-65-mail-list-club@xxxxxxxxxxx, 1962-1965 Mopar Mail List Clubhouse <1962to1965mopars@xxxxxxxxxxxxxxxx>

Subject: Re: pulley blues

In the end,it doesn't matter why,just that they did.

Sent from Yahoo Mail on Android

On Fri, Apr 12, 2019 at 9:30, 62-65-mail-list-club@xxxxxxxxxxx

<62-65-mail-list-club@xxxxxxxxxxx> wrote:

A guy I know tried to put a crankshaft pulley from a 1961 361 "B" engine on a later 383 "B" engine (1968 I think) and the

result was as shown in the photo. One bolt mis-aligns.

Does anyone know why Chrysler would create 2 different bolt patterns for the same "B' big block series of engines?

Thanks,

Gary H.

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