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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 12:20 pm 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Lou, I "think" I don't have enough 1st gear.
Talking with Dan Brewer he thinks the 3.09 Liberty Gear set will help.
The spare was a 2.47 and that is going the wrong way.
I thought the 2.47 was in the Colt but it was a 2.66.

So I have an aluminum bushed case and a Faceplated gear set coming.

But it's still a mystery to me why it won't et any better.
The compression tests are great so I don't think it's ring seal.
You heard it idle, it "sounds" healthy.
And lord knows there are enough go fast parts on it to get the job done.

Could it use more compression, cam, porting?
YES YES YES.

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 12:24 pm 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Quote:
Was Billy Stepp Related to Bob Stepp of Slant 6 Fame?
Short read on the Infamous Billy The Kid Stepp.
https://moparwiki.com/index.php/Billy_'the_kid'_Stepp

Use could wind up swimmin with the fishes............

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 12:26 pm 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Quote:
I'm still scratching my head?? :? I feel bad for you.
Thanks Rick, but don't feel sorry for me!
I am blessed beyond measure.
Making this old Colt go fast is keeping me Alive and Happy!

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 1:34 pm 
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Joined: Mon Oct 21, 2002 11:08 am
Posts: 16793
Location: Blacksburg, VA
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Even if you go to another 1st gear, the most I think that could help would be 1-4 tenths. You are off by a couple of seconds still, IMHO. You are much better off than at MoKan, but still a ways to go I think... Keep having fun with it!!

Lou

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 1:51 pm 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Quote:
Even if you go to another 1st gear, the most I think that could help would be 1-4 tenths. You are off by a couple of seconds still, IMHO. You are much better off than at MoKan, but still a ways to go I think... Keep having fun with it!!

Lou
Got to do something.
Finding out what doesn't work.

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 2:37 pm 
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Supercharged
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Joined: Sat Nov 27, 2004 8:03 pm
Posts: 9496
Location: IRWIN PA
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What is your compression ratio again?

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 3:02 pm 
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Joined: Wed Oct 23, 2002 7:57 pm
Posts: 8673
Location: Waynesboro, Pa.
Car Model: 65 Valiant 2Dr Post
Once you are launched the 2.66 gear set should be better than the 3.09 with less rpm drop between shifts. What was you 1/4 miles ET?

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 4:34 pm 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Quote:
What is your compression ratio again?
10.5 to 1.

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 4:37 pm 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Quote:
Once you are launched the 2.66 gear set should be better than the 3.09 with less rpm drop between shifts. What was you 1/4 miles ET?

Problem is I don't think it will launch with the 2.66 unless I am at 5 or 6000 RPM.

I ran a 17 at MOKAN.
Only had about 2/3 throttle due to a big foot hitting the pedal rod and a slipped throttle lever on the throttle rod.

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 5:00 pm 
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Board Sponsor & SL6 Racer

Joined: Wed Oct 23, 2002 7:57 pm
Posts: 8673
Location: Waynesboro, Pa.
Car Model: 65 Valiant 2Dr Post
You have to do what makes you comfortable, but I don't think 5000 is an unreasonable launch rpm for a lightweight stick car. But that is just me talking from when I was younger and foolisher! :D :D

Help me learn Stan. The clutch tamer? Is it supposed to allow for enough slip to get the car moving and not shock everything so much? And wouldn't that allow you to adjust the slippage to get you moving at a lower launch rpm? I really don't know. Thanks
Quote:
I am blessed beyond measure.
Making this old Colt go fast is keeping me Alive and Happy!
I am very blessed too!

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 5:45 pm 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
Rick, still working with the tamer, steep learning curve, but yes it "should" help me leave.
You have an initial hit point and then rate of engagement.

We both are blessed!

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 7:57 pm 
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Joined: Thu Oct 17, 2002 7:27 pm
Posts: 14492
Location: Park Forest, Illinoisy
Car Model: 68 Valiant
Small motor+big tire=big rpm at launch............

Little moders got no tork. You got to spin them up.

102 fuel is too much for 10.5-1, but would only kill a couple tenths.

Keep tuning buddy, you'll get there.

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Mon Jul 03, 2023 8:11 pm 
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Supercharged
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Joined: Sat Nov 27, 2004 8:03 pm
Posts: 9496
Location: IRWIN PA
Car Model:
I used to launch the heavy ass '69 Dart with a 10" clutch at 5200-5500
If you don't spin it up a bit it will bog a bit I am betting.
I also had about 10- 10.25:1 compression as well.

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Tue Jul 04, 2023 6:06 am 
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Triple Duece Weber
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Joined: Tue Nov 23, 2004 6:05 pm
Posts: 2272
Location: Desoto Texas
Car Model: 1972 Dodge Colt
I run the race gas to keep from screwing up the Webers.
Don't need any more screwed up stuff.

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 Post subject: Re: 1972 Dodge Colt
PostPosted: Tue Jul 04, 2023 8:01 am 
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Board Sponsor & Moderator
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Joined: Thu Oct 17, 2002 7:27 pm
Posts: 14492
Location: Park Forest, Illinoisy
Car Model: 68 Valiant
Sells Webers to Rick, bolts on Clifford with 600 Holley DP, goes fast. :mrgreen:


Please don't hit me. :lol:

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