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What a difference the right carb makes! When I got my '64, it had a replacement Carter carb, electric choke, and ran like a dog. I rebuilt the engine, and in the hopes for a quick fix, put a new Edelbrock (600CFM) on it, also electric choke. It ran OK, but low idle at operating temperature was terrible, she hesitated and bucked off the line, etc. Not much fun to drive. I was going to chalk the low speed problems to the transmission/gear ratio combination I have (3.08 rear and M21 trans)and have been hunting for an M20. Since the carb was the only piece of the engine that was not stock, though, I wanted to make it right. I found the right AFB, had Bob Kunz rebuild it, and installed it this weekend. It's like driving a new car. The low speed problems have disappeared. Idle is smooth and at lower speed than before. No hesitation off the line (or anywhere else). Problem solved!!!
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Re: WooooHooo!!! Problems solved!
Good illustrative example of how well these cars were originally engineered.
The best way to correct a problem is to bring the system back to OE spec and performance, but too many guys still think they can "fix" something by bolting on aftermarket hotrod part(s).
This is especially true of fuel and ignition systems!
Duke -
Re: WooooHooo!!! Problems solved!
Glad to hear about your success Mark. Particularly with the 3.08/M21 combo. My 63 has a 3.36/M21 set up and I've been a little concerned about doggy launch characteristics.
One more thing to stop frett'n about.
tcComment
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Re: WooooHooo!!! Problems solved!
You don't know what a "doggy launch" means until you try a SHP/FI engine with a CR four-speed and 3.08 axle.
BTW, all '63 four-speeds were coded "M-20". Whether you got a WR or CR depended on engine choice; 250/300 HP engines got you a WR with a 3.36 standard and 3.08 optional.
The SHP/FI engine four-speed was a CR with a 3.70 axle, standard. Five optional ratios were also available spanning 3.08 to 4.56.
In addition to the low end torque shy nature of the SHP./FI engines you had about 15 percent less first gear torque multiplicaton with the CR, but with the 3.08 axle you could achieve about 76 MPH in first gear and cruise at 80 MPH at only 3000 revs in fourth and top 150. You just had to have discipline not to ever get into an off-the-line race, but from 40 MPH with enough open road in front of you, there was nothing short of a Ferrari 275 GTB could keep up.
DukeComment
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Re: WooooHooo!!! Problems solved!
definition of launch = 41 teeth on ring and 9 on pinion. screw the arabs and their 50 buck a barrel crude. life too short for anything less. mikieComment
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Re: WooooHooo!!! Problems solved!
Aw, come-on Mike! The serious drag racers ran 5.13s and 5.38s.
DukeComment
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Duke, You be right & Mikie learned that... *NM*
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Re: Duke, You be right & Mikie learned that...
Heee heee! Nothing like a good "chop'em off at the knees" early in the morning!Dick WhittingtonComment
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Re: WooooHooo!!! Problems solved!
And not just a few 6.14'sBill Clupper #618Comment
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Re: WooooHooo!!! Problems solved!
Well thanks alot Mikie. I just "thought" I was a gearhead...41 teeth on ring and 9 on pinion? Is this a 4.11 or 4.56 or what???
By the way, seems everybody's always pick'in on you. (just read posts from others again...it great fun! )
Are you sure your name isn't Charlie Brown ?Comment
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Re: WooooHooo!!! Problems solved!
divide the # teeth on ring gear by # teeth on pinion to get the ratio. you feed me the #'s and i'll do the calculations in the event ya didn't get past 3rd grade math. regards, charlie.Comment
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I'll have you know I made it all the way 8th grade
Thats all we Kansas podunks need for cry'in out loud!!Comment
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