Re: {Chrysler 300} Need more fuel!
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Re: {Chrysler 300} Need more fuel!



Henry,

    Thank you for the information on the carbs.

I seem to remember someone told me that Corvette used the same WCFB's on their dual quad set up from '56-'62.

I'm thinking of getting the Clay Smith cam that Rob Kern is running in his C, although fuel injection was suggested as a possible solution.

More confused than when I started!

Best regards

     gary gettleman 









On Sat, May 7, 2022, 1:40 PM Henry A. Mitchell III <hamlll@xxxxxxxxxxxxxx> wrote:

Hi Gary and Ray: henry Mitchell here with 300C in Berkeley CA. the 1957 300C WCFB carburetors are comprised of three pieces: the top piece (or air horn), the main body (or bowl) and the base. I am right in the middle of a research project caused by a problem with my front carburetor and this is what I found, so far: the casting number of the 2534 and 2535 top piece is 6-1310, the casting number of the main body is 0-153. There is a Corvette carburetor out there somewhere (I havent found what year and engine displacement yet) that has the exact same casting numbers for its top piece and its main body. So…if you are looking for parts, jets, metering rods, etc., you might have a better chance of finding what you want in the Corvette corral. I also have found that Corvette used the same carburetor (may or may not be the crossover carb) for seven years so the likelihood of finding  Corvette carb stuff that we can use in our carbs is high.

 

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of Gary Gettleman
Sent: Saturday, May 07, 2022 12:25 PM
To: Ray Melton <rfmelton@xxxxxxx>
Cc: 300 Club <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} Need more fuel!

 

Ray,

 

   Thank you for your way over my pay grade response.

 

Mechanic is very talented and has some very high $$$$ builds to his credit.

 

That said, his main business is high end Resto Mods.

 

Did a buddies '41 Cad coupe on Art Morrison frame with 2021 Cadillac Hot Engine and 8/10 ? speed tranny.

 

Very High end builds, yet he will work on old Detroit iron like our beloved 300's.

 

I like your suggestion re the service bulletin update and will start there and let you know how it goes.

 

Best Regards 

 

     gary gettleman

 

     The once "Golden State" (but not so much any more) of California.

 

On Sat, May 7, 2022, 12:07 PM Ray Melton <rfmelton@xxxxxxx> wrote:

Hello Gary -

Sounds like it could be insufficient accelerator pump shot.  Which jets is he suggesting to be changed, and to what size?  How did your mechanic decide which jets to change and the new size - anything scientific or just WAG?  How will you find those jets for such an obsolete carburetor?  Even if jets for the later Carter AFB would fit, is the internal fuel/air flow circuitry the same as for the WCFB?  Since the 300C was originally intended to run on only one carburetor at low RPM, you may have upset the A/F ratio right off idle when you converted to synchronous (non-progressive) carburetor function - going too lean because of the unintended extra airflow from the other carburetor.  Have you incorporated the carburetor modifications recommended by Chrysler in Technical Bulletin #364 of July 16, 1957?  That may/may not help, but it couldn't hurt.  I had Jim McGowan do that mod when he restored my carburetors - excellent workmanship and results!

Depending on the elevation where you primarily operate, you might also want to consider different metering rods, too, although that will not affect your off-idle stumbling issue.

Ray Melton  300C in New Mexico

**********************************************************************

On 5/7/2022 12:31 PM, Gary Gettleman wrote:

To All the Great Folks in 300 Land.

 

Apparently the cam that we installed during the C engine rebuild is a bit lumpy as compared to the stock cam.

 

Have what I would call a momentary stutter when the right foot presses down.

 

We adjusted carb linkage so instead of running on 2 barrels it's now on 4, which has improved performance, but still get the occasional hiccup.

 

Mechanic said we need to swap out the jets for larger size and that will solve problem.

 

Figure someone else has had this problem and would appreciate your help with this issue.

 

Thanks to all.

 

  gary gettleman 

 

  300 C Export

 

 

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