I’ve known about this car for many years and happy to report that Dave Larsen bought this beauty after he saw it at our Hershey Meet in May On Oct 19, 2023, at 10:23 PM, Noel Hastalis <cpaviper@xxxxxxxxxxx> wrote:
Speaking of the ‘62 300-H Carl refers to here, as a possible 405 hp clone, or ???, I saw this coupe cross the block at the 2014 Auburn IN Spring auction, hammering for only $35k. I couldn’t believe it sold so inexpensively. It was part of Richard Rigoli’s 7-Letter Car collection (1955-1962) out of Massachusetts being auctioned, from which my local buddy Dave bought his black (factory WW1) 300-F coupe. Rigoli painted this F coupe black to complement his BB1 300-F convertible. <7df3cfbda8069fd0f5833fcd2342dc86ecc1695f.jpg> | |
That Auburn auction was very Letter Car heavy (11 of them ‘55-‘62) and beautiful Chryslers overall (33 of them). Noel Sent from my iPhone On Oct 19, 2023, at 8:12 PM, Carl <cbilter@xxxxxxxxx> wrote:
Yes, optional 400hp F/G used water heat, special headers (not the same as J/K) and manual chokes. 405hp H used same setup with water heat and F/G headers and manual chokes (as seen on Bud Faubel “big red” at 2015 Macungie meet). F/G/H headers have no provision for exhaust heat and no heat riser/flapper, and are larger than J/K. J/K headers have exhaust heat pipe attachments, no flapper. BTW, the white 405 H we saw in the fella’s collection at Hershey this past spring – had exhaust heated rams not water, suspect it was either a clone 405 H or J/K headers were installed later (couldn’t see well enough). ’62 405 H was a dealer installed accessory, maybe some variation(?), they are too rare to draw any conclusions. The manual chokes on J/ram K are ideal. Both carb chokes can be set in nearly perfect synch, on/off and in between. In warm weather choke really only needed for cold start, can back off quickly to prevent carbs loading up, will stay on fast idle until the throttle is blipped to reduce to curb idle. I like electric chokes on F/G (if you are ok with non-stock), I have edelbrock chokes on my G with the 2903 AFBs, chokes open up rather quickly (a couple different settings can be chosen) and both carbs seem to be on same time line. Nice high idle but can get to curb idle fairly quick if desired, car doesn’t stall. Carl B. hi there is no need to “ vaporize fuel “ today on a day over 30 degrees or so — we have opposite problem with todays gas . carbs go dry sitting there at room temp . New cars have no heat risers or provision for them at all . FI richens cold mix but no heat . warm intake air also reduces power as less dense and so less oxygen . Everywhere we have aftermarket “ air gap” manifolds and baffles to keep hot oil off underside of intake , or insulation pads on some . No heat . This exhaust heat stuff dates back to 30’s when gas was like kerosene . plus —- no matter all the claims to contrary , — they never come off in synchrony giving erratic weird running during warm up , stalling , one on high idle other is not , lots of hassles around flap shaft rusting shut — and trying to match the warm up exhaust side time . Why chrysler dropped it in 62 as so many rams were pulled off F and G over stalling , slamming into gear etc etc . We cut the cars some slack , some banker or lawyer did not . And when it came back in 64 all that was fixed , some heat as Don describes and a manual choke(!) ( on a top end car!) I think edelbrock electric choke will give you nice high idle cold and both sides work pretty much on same time line I bought two kits ( chinese knock offs are half $ of edelbrock) and going to see how it does on converting our afb . As Don Cole says , no problems or any you do have are minor compared to the hassles stock can cause you , including burning a hole in ram under carb — if you get in it with flap stuck shut . And you don’t know that at the time ., been there . 405 F used water heat in there I believe? your mileage may vary , so do as you wish !! . I remember many times even at shows of our club someone can’t start an F or G and the dance starts .l
On Oct 19, 2023, at 4:43 PM, 'Don Cole' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
After owning my Ram-K for nearly 40 years I found that a 1 inch freeze plug fits the heat pipes exactly. I put one at each end of the 4 pipes with a 1/4” hole drilled at each end. That was my secret! It kept the full heat from burning out the plenums at the intakes. I think that J Grady knew my secret. Never burnt one out. Don Cole
On Oct 19, 2023, at 2:21 PM, Carl <cbilter@xxxxxxxxx> wrote:
Speaking as a J owner (same setup as ram K), I have the heat totally blocked at the carbs by using the Simplex Co. (Bob Merritt) shims. Using the shims allows one to easily unblock the heat or allow partial heat to the carbs. One can block the heat at the headers, but it would be more work to remove the shims. Engine performance will be poor in cold weather. Furgitabout driving the car in winter. In cool weather (spring/fall), I have found performance to be normal once the engine is up to full normal operating temperature (i.e. Thermostat open, 180 degrees). In warm weather I have had no issues. Throttle response is immediate and performance is fantastic. Aggressive throttle application will nearly incinerate the rear tires (no suregrip on this car!). Your toupee will not just fly into the back seat – it will fly into the next county! OK, a little hyperbole there, but you get the point. Carl B. Hi Rick, Carbs that sit directly on top of intake manifold use the heat of the engine to vaporize fuel. Outboard mounted carbs need heat to vaporize fuel. If you block the exhaust heat completely, your engine will not perform well unless you water heat the rams like the ‘60-‘61 Gran Turismo racing cars. Suggest blocking the opening 1/2 to 2/3. Tony
On Thursday, October 19, 2023, 1:29 PM, Rick King <rickking952@xxxxxxxxx> wrote: --
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