Re: No low end torque

Posted by Roger Mills on December 16, 2006 at 08:46:00 from (204.13.130.86):

In Reply to: No low end torque posted by North Dakota H puller on December 16, 2006 at 07:18:01:

I havn't done pulling with tractors just big engine 4x4s. I have a stock P60 (very long 20K# gross) frame flatbed 4 wheel drive Dodge from 1961 that has a 440 and 5.60 gears in it. It did very well but I wanted more so we tore the engine down and went agressive with the compression and cam. Big mistake!!! Power band was good only above 6-7k RPM and below that zilch. Put in what is called an "RV" cam for low end torque and the power band was great from 2500 to 5000. From what I have seen with old tractor motors 2000 RPM is very high. I suggest you call Engle or eq. and tell them what you want-ie max air at 2000 RPM. send them a cam to regrind. Next port and polish EVERYTHING! Match the ports, gasket too! Install the biggest intake valve you can. Finally dyno the dist. advance springs for max HP at all useable RPM's

Replies:

• Re: No low end torque T_Bone 06:46:35 12/17/06 (0)

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