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#51

General Q&A / Re: Taillight Clean-Up:

Last post by John_Kunkel - February 18, 2026, 01:16:12 PM

 Not all toothpastes have the same abrasive nature, they're rated by a scale called RDA. A toothpaste with a low RDA won't polish anything, while a very high RDA, like those advertised as "advanced whitening", would probably dull the surface rather than polish it.

Using polishes intended for plastics takes out the guess work.

#52

Chassis, Suspension, Brakes, Wheels, & Tires / Re: 1968 Dodge Charger Hold Of...

Last post by mimaspa - February 18, 2026, 09:32:45 AM

Just as a note:  Original 67-69 B body Disc car had no hold off valve.  The Bendix 4 piston caliper system only had the proportioning valve (shown) for the rear brakes.

Ive done 3 total 1969 B bodies with the original Bendix disc brake setup,
All 3 had a holdoff valve mounted rearward of the prop valve

i believe it was just the 68 that had the hold off valve for the rear.. 69 i think they incorporated the metering valve for the fronts.. it was an add on piece..   

#53

General Q&A / Re: Taillight Clean-Up:

Last post by Nacho-RT74 - February 18, 2026, 07:18:58 AM

Well, it has worked to me every time I have used it

and really with GREAT success.

Really, my tail Charger lights came out GREAT, and the Mercedes cluster lenses too... just like new!! Even light scratches removed!!

As mentioned, sure it needs a bit more of effort than a tipical polishing paste. No buffing wheel used... but cotton and hand.

I even have polished CDs with it, which requires MORE care!

Unless your toothpaste is a bad quality LOL

#54

Aero Cars / Re: Radiator source

Last post by johntpr - February 18, 2026, 07:05:18 AM

https://www.forbbodiesonly.com/moparforum/threads/glen-ray-radiator-any-update.323371/

#55

General Q&A / Re: Taillight Clean-Up:

Last post by timmycharger - February 18, 2026, 07:02:44 AM

I can't believe nobody here have tried a simple, cheap, non risky and home solution like the toothpaste LOL.

Sure needs a bit more of effort if you want a stunning result, but, better that than a more abrasive wax what can damage the lense

On my parents' Mercedes W116, cluster lenses came out polished like new!

Because it doesn't work?  I tried the toothpaste trick several times, did basically nothing. Used some Mother's plastic polish with a slow small buffing wheel on a drill and it worked great.

#56

General Q&A / Re: Taillight Clean-Up:

Last post by b5blue - February 18, 2026, 06:28:38 AM

LOL 

#57

General Q&A / Re: Taillight Clean-Up:

Last post by Bob - February 18, 2026, 04:52:25 AM

I tried many different brands of toothpaste over the years. My results where, it made my lens smell minty and fresh. Not much of a difference.

[Installed spring height]

#58

Engine, Transmission, Rearend, & Exhaust / Re: Who has had success with a...

Last post by Kern Dog - February 17, 2026, 06:04:47 PM

I'll bet that most people, myself included, have assembled parts and accepted what results that they get.
Converting a classic engine to a roller camshaft carries with it several changes to make it work. Measuring and establishing the Installed spring height is on par with measuring bearing clearances, degreeing a camshaft, tailoring your timing curve, rejetting the carburetor, adjusting the pressure in your tires, etc.
It is a matter of aiming for a more precise level of fitment that will allow the engine to make the most power and work as efficiently as possible.

#59

Aero Cars / Radiator source

Last post by taxspeaker - February 17, 2026, 04:46:07 PM

2998956 radiator 26inch. Who rebuilds these now? Our local radiator guy repairs like he had three fingers blown off by firecrackers.

Glennray was sold, unable to order any longer from their website and the phone call to the new owners they act like they don't know what to do.

#60

Engine, Transmission, Rearend, & Exhaust / Re: Who has had success with a...

Last post by Charger-Bodie - February 17, 2026, 03:43:51 PM

I do not get it

Why ? 

Why does it need them all the exact same ?
Why are they not the same to start with ?
Did you measure all the valves to see if they are the same length to start with ?
What real difference does this make all this fooling around in the end ?
Are the valves not all the way shut when at rest ?
Is valve #4 going to wear a tiny bit more than valve #2 if you do not do this ?
Are you going to notice in 10 000 miles from now cylinder #7 has 10 pounds less compression than cylinder #5 ??

Yes some people like to tinker and I get it
I like to tinker too

I just do not know what the upside of all this is from the original factory slap it together set up is ?

This is actually good info. if youve ever heard of and engine thats balanced and blue printed ? This is a partial look into that. It is a lot of work but on some engines this will make a huge difference in performance and long life.