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Try using the calculator and see what you slippage is, that will tell you something, if its at 15 you got a problem.

Is the valve angle on the W-7 still 18 degree?

That's Fantastic! Car sounds great

I have had 100% failure rate with all different brands except Aeromotive.

My car ran 10.60s with ported J heads with 3/8 stem valves on a 360, with a Mopar .508 cam, pump gas. not a all out race car, still have the AM radio.

It was about 10 years ago, i think it was $275, but i think it was well worth it, like i said best carb i have ever ran, always starts cold with no choke and idles within seconds. I have smaller jets in it now that what came factory.

Brad van Lant

I think it depends on who has worked on your Carter carbs, and i am not sure if the AFB is better or worse than an AVS , I have an AFB maybe 500 cfm, that was done for me that is probably the best carb i have ever ran. not sure how much different the car would run with a Holley based carb.

I have a Pyrenees, great dogs

Is that a Pyrenees?

I use the Pipe Max program, it wants a lot of details about the engine, and will tell you what size header to run.

Our closest track closed last year, now they you can rent space there to park truck and trailer, closest for me is over 3 hours, its only 1.5 hours to Sonoma but that is only 4 races a year.

I believe if you making gear changes all the time, then the 60 and 12 bolt don't make as much sense, and they make so much stuff for the 9 inch now, alum reinforced cases, 40 spine axels and whatever gear ratio you can think of.

From what i understand is the Dana 60 is a much more efficient rear end than a 9 inch, i believe the dana and a GM 12 are the best.

My first gear is steeping than a 2.74.

MSD

Not that much to tell, no head porting, no trick race parts, just parts it came with, working to get the engine and car to work together. One of the best things I did was install a Daytona Sensors ignition. That help a lot.

The air was decent not mineshaft, nice sunny day. I have been working at getting the car to run that number for years.

The duration is in the 240s it needs more. 5000 on the conv. 4.88s out back with a 26 inch tire.

The car weighs 3115 with me, and it’s an auto.

I always see a of talk about 273s and the power that put out, they are not a 340/360, but with some hard work they can run pretty good. This one is built like a stock Commando 273, dome pistons, I do have 318 heads with stock size valves, stock intake, factory carburetor, and .400 lift cam. It...

486

:popcorn:

We added more gear, more convertor, i did a basic gasket match on the ports, work on the exhaust more than the intake, 2.055 intake valve. the intake manifold was tuned up, cam is a Bullet .560 lift not real big. same KB pistons from 2009 with good Total Seal rings. Worked on the getting the...

Most of us use a 2 step to launch with. In my experience if i get the launch rpm to low the car does not 60ft good and my reaction time is not good, but my car has no torque with a 273.

4.56

Dominic builds some killer carbs

Her foot braking it went 1.44 sixty foot

I would say around 3100 with driver, have not weighed it the way it sits now, it’s all steel, still has the radio in the dash.

It is/was, cam and gears not to street friendly at this point.