Thanks FABO Genius!

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dragnknights

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I've got to give credit where credit is due here.
I recently rebuilt the 360 in my Dart, and I wasn't all that pleased with the performance. I had bounced some ideas around, talked to friends, and spoke to the guy who helped me build the motor. After all was said and done, everyone unanimously agreed that the 1000rpm fluctuation in idle, and the loss of power, bad gas mileage, and crumby acceleration was all carb related.
Then I got a phone call from a friend (Crackedback) who asked me how my car was running. I told him, and he invited me over to take a look at the car. I drove it over, and the first thing he did was put the timming light on it. We found that there was waaaaaaaay to much total timming in it like 52deg or something like that, but the initial timming wasn't that bad. Crackedback almost immediatley diagnosed the problem as a bad distributor. So, rather than send me to the parts store, or tell me "tough luck" we took it out, and the man literally performed distributor surgery in front of me on a cardboard box in his garage. He blew the whole thing apart, and welded it to limit the mecanical advance (I didn't even know this was possible) Meanwhile, he taught me every step along the way, so I could do it again if I had to. I could probably do it too, except for getting the retaining clip in and out. Anyways, we rebuilt the dist. slammed it back in and took off for a ride. I was treated to instant starting. crisp throtle response, smooth acceleration and the performance that I was looking for. I really appreciated the help.

For those of you curious, the engine spec reads out like this:

77 360 cui ten over
Small valve heads with some port work and bowl blending
10:1 Compression
Balanced rotating assembly
Ede 750 cfm carb
Ede Performer RPM intake
.292 duration / .505 lift cam
Long tube headers
pertronix ignition module.
 
Yep, Cracked is one of the most stand up guys here. You are indeed fortunate to be able to count him as a friend. Glad to here your Dart is living up to expectations. Now, go show the tail lights to some Blowties and Phords.
 
Will is a good guy and was pretty frustrated with the car. I was more than happy to help. The distributor wasn't bad, just not set up properly. We used almost everything inside the current distributor, sans one spring, to fix it up.

A couple of things that were wrong with it, first and foremost, the gremlin that seems to attack most folks with hopped up mills... Not enough initial timing. The engine had 14* in it and a total of around 42, 52 with vac advance hooked up, when he showed up. Low initial led to the throttle blades being opened too far, an idle speed in the 1200-1300 range, sometimes 1500, and a drop when in gear to 650-700. Dirty idle and very soggy response.

The other was the idle speed was causing mechanical advance to get tossed into the mix. As the idle speed was backed down, the advance would reduce, compounding the problem.

First thing we did was to get the initial up, we ended up at 24*, that made the total ~52* (no bueno) and got it to idle pretty smooth at about 1000-1050, but the mechanical was still throwing advance, so out came the distributor. One spring was so stretched out, it did nothing, the other was looser than normal and was beginning to advance at around 800 rpm. We put one spring on that was stiffer. No more mechanical at idle speed.

We welded up the plate and put it together. The plate was reduced to about 8-9* mechanical and 32-33 total. The car could still likely take another 2* of initial, so we left it alone. I'd rather give up a bit of total to be able to run on any California pump swill that can be found.

The car now idles at 1000-1050, the drop in gear is to about 850 and it idles much cleaner with snappy response. No more flooring the throttle to get it to start. When hot, hit the key and the car fired right up.

The smile on Will's face was worth the time. He couldn't believe the difference.

Next up is removing the Ede carb and putting a 750 holley on it. I told him it will act like a whole different car and probably make 20-30 more HP. More fun to come!
 

Outstanding!!!
That's the whole concept of car guys!!!
Great job & thanks for the story, Lawrence
 
I'm with Will on this kinda stuff. I dont hang here for my health...well maybe sometimes...but when your not a mechanic like myself you need and want to see people like Cracked hanging around here to bail us out. I do have areas of expertise but mechanics is not one of em. Thanks for comin through Cracked and same to all you other gurus here.
Small Block
 
The lesson here is ; You can't know everything nor do you need to. Just know someone who knows the things you dont know.
Now I know who to send my distributer to. Happy moparing
 
That is a great story.Here's to crackedback.:drinkers:

Yep, Cracked is one of the most stand up guys here. You are indeed fortunate to be able to count him as a friend. Glad to here your Dart is living up to expectations. Now, go show the tail lights to some Blowties and Phords.

Outstanding!!!
That's the whole concept of car guys!!!
Great job & thanks for the story, Lawrence

:toothy10: Agreed agreed agreed! 3 cheers for CB! Good man!
 
It's thread's like this that help's me stop :stop:
And learn more about a member and add to my lack of skill's 8)
:happy10:
Thank you for stepping up crackedback :thumbrig::thumbrig:
Putting a big smile on some one's face sure does us good don't it :-D
This thread would be a good reference in the help thread's :read2:

We have the best of the best here!!
 
Great story!
I learn something new on here everyday, that's why it's the best site on the web.
Cudos to you crackedback! :cheers:
This hobby needs more people like you.
 
Sweet! 8) I know how you feel!

I had member (Moparnocar) come by and do the exact same thing for me about 5 years ago on a 360 in a Dart. HUGE difference! Thanks Sean!

You the man Crackedback!
 
Crackedback! Where do you live? I will be over with a 6 pack and my idleing mess too! :o)

Good Job..
 
just read this because this is similar to what is happening to me..Thanks crack. I will mess with this tomorrow and Let you know what is the most initial I get before I mess with the carb again
 
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