Re: [Chrysler300] Hemi Rocker Arm Covers-Dechroming.

[Paul Holmgren <paulholm@xxxxxxxxxxxxx>]

Rich Barber wrote:
> Thanks to all who responded on this issue.  I’ve never had anything
> de-chromed and assumed the acid/electrolytic stripping process might degrade
> the surface of sheet steel.  Apparently the surfaces will not degrade past
> the point that normal surface preparation and a good primer coat will not
> overcome.  I'd guess that it may be highly dependent on the chrome shop
> technician not to return a Swiss-cheesed cover.

> By the way, I was looking at the parts book for interchangeability and see
> that these special rocker arm covers for solid lifter hemi’s are the same LH
> & RH and are interchangeable 1955-58, except for the LH side of ’57 & ’58.
> What’s that all about?  Interference with a different power brake booster,
> plumbing or some new accessory?  I’ll bet those LH side covers for ’57 &’58
> 300’s are hard to find.  

> And, I’ll share the basic knowledge as I have learned it that the difference
> between rocker arm covers for hydraulic lifter engines and solid lifter
> engines is a small raised section under the spark plug wire covers that
> provides needed clearance for the mechanically-adjusted rocker arms.

> The parts book also indicated that the ’57 New Yorkers with “Power Package”
> used the same rocker arm covers as the ’57 300’s, suggesting one could get
> the 300 engine in any ’57 New Yorker.  As I recall, GM and Ford were
> offering their power pack engines (Corvette, T-Bird, J-2, Tri-Power & etc.)
> across broad ranges of their more mundane sedans and wagons at that time.

> C-300’ly,
> Rich Barber
> 1955 Chrysler C-300

Rich,  the 57 and 58 300 valve covers have a spot welded on coil mount, there is 
a small difference between the 57 and 58, one leans more towards the rear of the 
cover, placing the coil a little closer to the power brake booster, the other 
leans the mount towards the front of the cover giving a little more space 
between the coil and the booster.  There is a swap meet vendor that has started 
to make (modify) 'bumped' covers,  a reasonably decent job of replicating the 
factory bumps, BUT NO coil mounts.


-- 
Paul Holmgren
Mine: 2 57 300-C's in Indy
Hers: 05 PT GT R/T HO Stage 1
Hoosier Corps L#6


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