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The other point that I was trying to make and left out was you need to look at the difference in csa because looking pipe diameter will not give you the correct increase in area or change in velocity. ► 3 / 2.25 = 1.333333333333333 Also so no one is confused you have the sizes reversed...

The pipe numbers are for the outside diameter, but since I do not know the wall thickness I will use 2.25" and 3" ► (2.25/2)^2*pi = 3.976078202199582 sq inches csa ► (3.00/2)^2*pi = 7.068583470577035 sq inches csa ► 7.068583470577035/3.976078202199582 = 1.777777777777778 increase in csa...

HP is nice to talk about, but if you want to broke things :D talk about torque. If you go to the Tremec web site you will see that they rate our 5 speed by torque capacity. TTC: TREMEC Transmissions Computer simualtion of 260 HP 4.6l with 100 shot Stan

Thanks Tim. For thoughs on the go. - I have tested these calculators on both an iPad and Android Phone. Stan

I have some calculators on my Web Site that will do the Math for you. Rear Gear Requirements Calculate Speed (MPH - Km/H) given RPM, Rear Gear Ratio and Trans. Gear Ratio Calculate RPM given Speed (MPH), Rear Gear Ratio and Trans. Gear Ratio Calculate Rear Gear Ratio Needed Automotive...

Hard from your description to tell. You might want to check your IAC. Stan

Check the gasket where the filler neck goes into the tank. Stan

Thanks, I will do that tomorrow. A few years ago when I was doing something I saw it and seem to remember a light silver colored quadrant. Stan

I have a 2000 GT 5 speed. I am the 3rd owner and have had the car for almost 6 years. The clutch will not disengage so I started to check it out and find the plastic/rubber covering on the cable is split and going in one direction and the inter metal housing in the another direction. A little...

In a fixed RPM test the flywheel and drive shaft should neither add nor remove any HP. In a acceleration test the lighter parts will take less energy / HP to accelerate and this should show. The faster the rate of accelerate the more it will show up.

Stock 245-45-17 tires (Diameter = 25.68) 3.73:1 rear 4th gear 1:1 2440 = 50 MPH On my web site you will find these calculators Automotive Performance Software / Interactive JavaScripts Calculators Calculate Speed (MPH - Km/H) given RPM, Rear Gear Ratio and Trans. Gear Ratio Calculate...

From an article by David Vizard, Mod Motor Moves in the September 2009 issue of Popular Hot Rodding.

I have a couple of calculators on my Web site that might help. Calculate Speed (MPH - Km/H) given RPM, Rear Gear Ratio and Trans Gear Ratio Calculate RPM given Speed(MPH), Rear Gear Ratio and Trans Gear Ratio Automotive Performance Software / Interactive JavaScripts Calculators Using...

The graph is small and hard to read. it looks like it says 53.7 F 30.05 in-hg humidity 22% SAE: 0.9x I can not read the last number. where was this done that in Sept. the temperature was this low?

You do understand what effect weather has on the HP output of an engine? BP = 29.92 Temp = 47 Humidity = 5% DA = -775 BP = 29.42 Temp = 69 Humidity = 85% DA = 1500 That is a difference of 2275 feet DA or about 6.5-7% less HP

You ran 13.69 with the 104.29 with 2.26 60'. Maybe where did .5 (1/2) second of et go might be a better question.

Is the transmission down shifting when you go to full throttle at 20 mph in second gear? :shrug: If not this is the problem. Stan

Stock tires (245-45-17 - Diameter 25.68") 6000 RPM 3.37:1 first gear Rear ----- MPH 3.27:1 - 41.61 3.73:1 - 36.48 4.10:1 - 33.19 4.30:1 - 31.65 4.56:1 - 29.84 Calculate Speed (MPH - Km/H) given RPM, Rear Gear Ratio and Trans Gear Ratio http://users.erols.com/srweiss/index.html#jcalc

A stock motor with a 100 HP shot will produce torque of over 425 @ 4000 RPM. The lower the RPM you spray at the higher the max torque.

377 Nm = 278.06 lb.-ft @ 3516 RPM = 186.15 HP 366.6 Nm = 270.39 lb.-ft @ 3550 RPM = 182 .77 These HP number look like what is on the graph Again On what dyno did you get these numbers? Are these corrected or uncorrected numbers? What was your air fuel ratio throughout the test?