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post #1 of 3 (permalink) Old 02-14-2010 Thread Starter
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Back From Pony Wars What Next

Guys I just got back from Pony Wars in Valdosta GA. I took 2nd place in the Pro 16 category. Best time was 11.88 at 118mph. I was wondering what to do next to get deeper in the 11s. Cams, Meziere water pump, Aluminum driveshaft. Would like to know best bang for the buck. Looking for mid to top end horse power not torque. With the Paxton I'm close to my torque limit at 420 maybe can go up 20 more but was told 450 was max on the stock block and that it's the torque that breaks things not HP. I'm currently at 460rwhp.

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post #2 of 3 (permalink) Old 02-14-2010
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A setof blower cams will definatly get you deep into the 11's and yield 30+RWHP. You could also do more with your suspension and not add power this would help a little.

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Also An upper control arm to go with your lowers. I was actually impressed by my 1 piece driveshaft compared to the heavy piece of crap two piece ford puts in our cars.

Another good option in the C&L intake manifold that would yield nice gains in the upper RPM ranges ith your blower without all the torque


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post #3 of 3 (permalink) Old 02-14-2010
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Quote:
Originally Posted by Chips View Post
Guys I just got back from Pony Wars in Valdosta GA. I took 2nd place in the Pro 16 category. Best time was 11.88 at 118mph. I was wondering what to do next to get deeper in the 11s. Cams, Meziere water pump, Aluminum driveshaft. Would like to know best bang for the buck. Looking for mid to top end horse power not torque. With the Paxton I'm close to my torque limit at 420 maybe can go up 20 more but was told 450 was max on the stock block and that it's the torque that breaks things not HP. I'm currently at 460rwhp.
HP is calculated from TQ. I essence they are the same thing.

Your motor is far more likely to let go because of what is thought of as “HP”. The weak link I the bottom end is the rods. The faster you spin the motor the more unhappy the rods are. The stress on the rods is exponential, not linear. If your rods see a stress level of 5 (made up measurement) at 3,000rpm’s their stress level at 6,000rpm’s will not be 10. It will be more like 20.

Yes, HP will kill the shortblock. But only in combination with RPM’s. If you could make [email protected] the shortblock would probably hold up as well as they do at [email protected],200rpm. On the flipside if you are making 325hp and spin it too 7,500rpm’s it will most likely let go.

So at the end of the day what you want is TQ and gear it to use it effectively while keeping the RPM’s down…….or spring for a shortblock.

Then there is traction to consider also. A 325hp drag car that dead hooks a 6,000rpm clutch drop and runs a 1.4sec 60ft is far more likely to break parts (motor included) than a car like mine with 450hp, roadrace rubber and a stiff suspension that couldn’t pull under a 2sec 60ft if it had 1,000hp.:hihi:

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