Personal experience: I do not recommend Jim McGowan. Henry Mitchell 300C From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of Ray Melton Personal experience: Jim McGowan at the Quad Shop jimsquadshop.com did a great job restoring the WCFB carbs for my 1957 300C, including the Chrysler Tech Bulletin that called for special modifications and jetting changes. The modified carburetors came back with the correct original phosphate finish on the carb bodies and excellent zinc plated linkages. Yes, it took two months and cost ~ $1100 ten years ago, but the car now idles and runs better than it ever did in the last 30 years! Ray Melton Las Cruces, NM 1957 300C cvt white/Gauguin “Big Red” s/n 3N572517 ************************************************************************************ From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of John Grady daytona does a terrible rebuild job . absolutely terrible . You need to withdraw that recommendation Ron . here is why : l had a wcfb they “ rebuilt “ — instead of re bushing the worn shaft they wrapped .001 shim stock 360 around it , left the shaft worn ( the real problem with wcfb , is hole in carb body wears , causing erratic vacuum leak at idle ) Otherwise excellent stable carbs . this shim later got sucked sideways into throat ,the edge of it was holding throttle plates open such that idle adjustments did not work and varied all over the place . To add injury , the lack of a full close of throttle exposed the ported advance above the throttle plate to vacuum at times , advancing the timing , which raises idle “ depending” on moon light or not . Want a challenge? FYI on this, there should be negligible vacuum at idle in vacuum line on all mopars . — or more to the point ignition timing should not move as you connect the line at idle . Possible exception is ram cars . a design mistake there imho , no ported vacuum . This WCFB took me two long months to figure out , in and off 4 x , but did not stop them from collecting my 400 to throughly screw up my carb . not only don’t go there , RUN away . Crooks imho . They deserve this review. Kits from Mikes Carbs are really good and they answer your questions too . within hours The bushing reamer and new bushings are 39$ on ebay . You are 360$ ahead .
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