Re: Super Stock Springs Update

[Dave64 <lt7dave@xxxxxxxxx>]

Maybe I'll just drill my own holes in the 2" hangers.  @ things I forgot to mention in my last bit of info.  Yes, my driveshaft is a ball and trunion.  And I also see that my pinion snubber lines up to contact nothing but air under there - it won't hit the underside of the car as it is.  Another indication that the whole thing is back too far.

Dave

--- On Sat, 6/5/10, Donald Gallimore <dongallimore@xxxxxxx> wrote:

> From: Donald Gallimore <dongallimore@xxxxxxx>
> Subject: Re: Super Stock Springs Update
> To: 1962to1965mopars@xxxxxxxxxx
> Date: Saturday, June 5, 2010, 12:20 PM
> I did a lot of buy and try effort
> with my '65 Belvedere trying to get the correct front
> spring hangers.  The 2" was too much (no pun intended), the
> factory unit was too short.  I ended up using an A-Body
> set I found at a swap meet.  They moved the spring perch
> back about 1".  Note that from what I've read, there is a
> difference in front spring eye location between the '65
> Belvedere's and '65 Coronets.  There is a 1"
> difference.  The Belvedere is 116" wheelbase and the
> Coronet 117".  Read that in the Darrell Davis book on the
> '65 Hemi cars. Anyone got that book handy that could
> veryify that info and supply the details?
> 
> Measured the the frame to spring eye on my cars in the
> garage.  For the dead stock '65 Satellite, it is 2 3/8". 
> For the '65 Belvedere with the SS springs and the A-Body
> front spring hanger, it is 3 1/2".  So, by deduction, it
> appears the difference is roughly 1" between the stock and
> SS front spring segment length.  Again, this is a B-Body
> Plymouth, not a Dodge.
> 
> Akron Don Gallimore
> 
> 
> 
> ----- Original Message ----
> > From: Dave64 <lt7dave@xxxxxxxxx>
> > To: 1962to1965mopars@xxxxxxxxxx
> > Sent: Sat, June 5, 2010 11:42:54 AM
> > Subject: Re: Super Stock Springs Update
> > 
> > I switched the driveshaft around - no change.  The
> brakes are ok - no 
> > draging.  I noticed the rear wheels are back farther
> than before - which 
> > got me thinking about the extended front hangers. 
> The driveshaft is back 
> > about as far as it will go to connect now.  So this
> appears to be at least 
> > part of the issue.  The pinion angle looks like it's
> about 0 degrees at the 
> > moment - so this could be another part.  The DC book
> says 5-7 degrees nose 
> > down - but I think that's more for racing.  About 3
> degrees or so may be 
> > about right for the street?  What's the best way
> (tool) to accurately 
> > measure it? 
> 
> When I noticed the wheels are back farther, I thought about
> 
> > taking the 2" front hangers off and putting the stock
> ones back on.  This 
> > would move the rearend forward about 2".  If I push
> the driveshaft in all 
> > the way, I have about that much, so that might push it
> in to the max or close to 
> > it.  I don't know if that would be good or not.  If
> I go back to the 
> > stock front hangers, it may also push the nose of the
> pinion up more - going in 
> > the opposite direction of where it needs to go.  But
> then shims could 
> > correct that.  I think part of the issue is the 2"
> extended front 
> > hangers.  I think about 1" would be a happy medium -
> seems that 2" is too 
> > much, but stock is too little.  I could put the front
> spring eyes up in the 
> > upper mounting hole (they're in the lowers now), but I
> don't think that would 
> > change much.  Maybe it would?
> 
> At this point, I'm out of time.  
> > My daughter is graduating from HS tomorrow, and I
> can't experiment any more 
> > today and also help get a party ready.  I'm
> disappointed that I won't get 
> > to drive the car to her graduation, but the weather
> may have eliminated that 
> > anyway.  Once we're past this weekend, I'll
> experiment some more.  I 
> > think my next move may be to put the stock front
> hangers back on and see what 
> > that does.
> 
> Thanks for the help, and keep the ideas 
> > coming.
> 
> Dave  
> 
> --- On Fri, 6/4/10, MO ( Steve Mick) <>
> ymailto="mailto:micher@xxxxxxxxxxxxxxx";
> 
> > href="mailto:micher@xxxxxxxxxxxxxxx";>micher@xxxxxxxxxxxxxxx>
> 
> > wrote:
> 
> > From: MO ( Steve Mick) <> ymailto="mailto:micher@xxxxxxxxxxxxxxx";
> 
> > href="mailto:micher@xxxxxxxxxxxxxxx";>micher@xxxxxxxxxxxxxxx>
> > 
> > Subject: Re: Super Stock Springs Update
> > To: > ymailto="mailto:1962to1965mopars@xxxxxxxxxx";
> 
> > href="mailto:1962to1965mopars@xxxxxxxxxx";>1962to1965mopars@xxxxxxxxxx
> > 
> > Date: Friday, June 4, 2010, 5:37 PM
> > 
> > On ball and trunions and 
> > slip yokes. You must be sure that
> > with car weight on the axels, that 
> > there is room for the
> > drive shaft to be able to "give" frontward and 
> > backward.
> > without bottoming out.  With slip yokes, if they are
> 
> > to
> > close to the spline ends that will make the yoke loose
> and
> > 
> > definatly make a viberation. Also if the yoke splines
> are
> > worn and loose 
> > fitting, that will make a vibration. 
> > Even brake shoe drag will make a 
> > vibration you would think
> > was coming from the
> > 
> > driveline...............................MO
> > 
> > {Steve Mick}
> > 
> > http://www.1962to1965mopar.ornocar.com/mick64.html
> > 
> > ----- 
> > Original Message ----- From: "David Bailey" <>
> ymailto="mailto:bb64d440@xxxxxxxxxxx";
> 
> > href="mailto:bb64d440@xxxxxxxxxxx";>bb64d440@xxxxxxxxxxx>
> > To: 
> > <> href="mailto:1962to1965mopars@xxxxxxxxxx";>1962to1965mopars@xxxxxxxxxx>
> > 
> > Sent: Friday, June 04, 2010 6:40 AM
> > Subject: RE: Super Stock Springs 
> > Update
> > 
> > 
> > 
> > 
> > 
> > I’m no expert by 
> > far, but I’d be inclined to agree with
> > your suspicions…that is 1. To 
> > check drive shaft length /
> > straightness and what about the universal(s) 
> > joints / Ball
> > Trunion, are these fresh? By a remote chance, maybe 
> > by
> > simply rotating the drive shaft connecting point
> could
> > 
> > restore smooth operation.   And 2. The pinion
> > angle, someone else will 
> > know better but is the angle of 3
> > degrees still a commonly accepted 
> > point?
> > Dave B.
> > 
> > 
> > > To: > ymailto="mailto:1962to1965mopars@xxxxxxxxxx";
> 
> > href="mailto:1962to1965mopars@xxxxxxxxxx";>1962to1965mopars@xxxxxxxxxx
> > 
> > > From: > href="mailto:lt7dave@xxxxxxxxx";>lt7dave@xxxxxxxxx
> > > Subject: 
> > Super Stock Springs Update
> > > Date: Thu, 3 Jun 2010 20:42:04 
> > -0700
> > > 
> > > 
> > > After chasing after the correct 
> > brake setup, I have my
> > '64 Belvedere all buttoned up and back on 4 
> > wheels. Here's a
> > rundown of what I did.
> > > I installed a later 
> > model 8 3/4 rearend (I think it's
> > a '68 B body). I used my old 741 third 
> > member, put new green
> > bearings on the "new" axles, and put new brakes on 
> > it
> > (11'x2"). I also installed 3400lb SS springs with the
> 2"
> > 
> > extended front hanger brackets along with new (longer)
> Mopar
> > drag 
> > shocks.
> > > 
> > > The result: I really like how it looks now, 
> > but it has
> > a bad vibration starting at around just 20 mph. A few
> > 
> > assessments I make are: the third member is my old one
> - I
> > had no 
> > problems before, so I'm figuring that is ok. The
> > axles look fine - don't 
> > appear to be bent or anything, so
> > for now I think they're ok. No change 
> > in tires or wheels, so
> > that shouldn't be it.
> > > 
> > > 
> > This leaves me with the theory that it's driveshaft
> > related. Either the 
> > length of the driveshaft could be an
> > issue (as suggested previously 
> > here), or maybe the pinion
> > angle now isn't correct. Because I changed 
> > several things
> > all at once, I've left myself in a position of 
> > having
> > several possible areas that could be the problem. And
> I 
> > also
> > didn't have the forethought of measuring the
> driveshaft
> > 
> > length or checking the pinion angle on my previously
> > non-vibrating 
> > setup, so determining if those things are at
> > issue will be more of a 
> > challenge. I'm bummed out that I did
> > a lot of work and now have a car 
> > that's essentially not
> > driveable until I get this figured out and fixed. 
> > As always,
> > your help is much appreciated. What do you guys 
> > think?
> > > 
> > > Thanks,
> > > 
> > > 
> > Dave
> > > '64 Belvedere 2D HT, Auto
> > > 
> > > 
> > 
> > > 
> > > 
> > > 
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