10.8:1. 14 teens on muscle, 12.0's on the hose.
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| anyone run 10:1 on the street carburated ? https://www.slantsix.org/forum/viewtopic.php?t=39648 |
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| Author: | Dart270 [ Wed Mar 31, 2010 2:59 pm ] |
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My gears are 3.91 with T5 5pd trans. 5200-5400 RPM in the traps in 4th gear. 2980 racewt. Lou |
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| Author: | slantzilla [ Wed Mar 31, 2010 3:14 pm ] |
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10.8:1. 14 teens on muscle, 12.0's on the hose.
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| Author: | DusterIdiot [ Wed Mar 31, 2010 6:26 pm ] |
| Post subject: | Yep... |
Duster 3400 lbs, 16.2 sec, 10.3:1...24 mpg highway (100% highway)...3.55's w/A-833OD...Large valve head some porting...on street tires(race it like you drove it there!) Daily drive it to work... -D.Idiot |
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| Author: | robert west [ Wed Mar 31, 2010 7:22 pm ] |
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I've ran m/p header and clifford street rod personally I prefer clifford's,I like the sound of the split exhaust and and they are tucked up nice.this is build I did on my 72 duster.40 c.c head,.510 282 dur. 246@.05,port & polish,hyperpac,with 500 ele. for now 745 case 3spd. till I get more time to rebuild 4spd.,4.10 gear.car weigths approx.2500 lbs. I have no problem cruising on weekends,use 91 gas with a bottle of 104 boost. |
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| Author: | hantayo13 [ Wed Mar 31, 2010 7:29 pm ] |
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not my slant but my new delkron 120 ci is 4.25 x4.25 10.3 real compression not static....121 hp @ road....sure made geezer cruizer a sleeper lol...yes 93 gas and on the street |
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| Author: | Rick Covalt [ Thu Apr 01, 2010 6:59 am ] |
| Post subject: | 72 Swinger |
Ryan's Dart, 10.7 to 1, 93 Octane, 3170 without driver (If memory is correct) ran 14.8 at MAson Dixon last may. All motor, 4.30 rear with 4 speed(OD) |
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| Author: | USAJon [ Sat Apr 03, 2010 5:09 am ] |
| Post subject: | Re: 72 Swinger |
Quote: Ryan's Dart,
do you have the timing retarded?
10.7 to 1, 93 Octane, 3170 without driver (If memory is correct) ran 14.8 at MAson Dixon last may. All motor, 4.30 rear with 4 speed(OD) |
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| Author: | Rick Covalt [ Sat Apr 03, 2010 2:18 pm ] |
| Post subject: | Timing |
Ryan's Dart had a total of 28 degrees timing if I remember correctly. I think he had a little pinging and backed it off a couple degrees more while running on the street. He just got a new MSD that will allow him to program his ignition curve to anything he wants. Have a race set up, and a street set up. Push a button on his laptop and your ready. The reality is his compression is a bit high for 93 octane. He was adding a little race fuel to the tank for a while but that gets to be a pain. Rick |
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| Author: | Dart270 [ Sun Apr 04, 2010 5:22 pm ] |
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26-28 deg total mech advance, and add 19 deg at part throttle cruise. DO NOT go over 30 deg total with mech adv. Make sure to close up the mech advance slots so you have about 15 deg at idle. Lou |
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| Author: | ryandcovalt [ Mon Apr 05, 2010 7:39 pm ] |
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The Dart is running at around 26* total advance, after I backed the timing off. It runs fine on 93 pump gas, but any more timing and it would ping. Like Dad said in his post the Darts CR is 10.7 its carbureted (600 edelbrock) and it runs 14.8's Its driven on the street all the time, and its not bad at all, I haven't checked the gas mileage lately, but I'm sure its not that great (15-16mpg) it has 4.30 gears. |
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| Author: | USAJon [ Tue Apr 06, 2010 4:33 am ] |
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Quote: The Dart is running at around 26* total advance, after I backed the timing off. It runs fine on 93 pump gas, but any more timing and it would ping. Like Dad said in his post the Darts CR is 10.7 its carbureted (600 edelbrock) and it runs 14.8's Its driven on the street all the time, and its not bad at all, I haven't checked the gas mileage lately, but I'm sure its not that great (15-16mpg) it has 4.30 gears.
did you do any head work on this motor ?
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| Author: | ryandcovalt [ Tue Apr 06, 2010 12:42 pm ] |
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The head was planed and it has larger valves, and hardened valve seats. Dad also spent alot of time blending the bowls, and grinding the ports to match the gasket size using a small die grinder. The head seems to flow great, and I haven't done any carb tuning or much ignition tuning yet so I should be able to pick up a little speed for this years race at mason dixon. |
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