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Old 11-15-2007, 06:34 PM   #1
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Thumbs up osrocket racing any good?

iam looking in to geting an osrocket racing head for my OS V SPEC the motor is new never raced just broke in just wanted to know if it would be worth it?
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Old 11-15-2007, 06:37 PM   #2
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super good,always good stuff from John.
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Old 11-15-2007, 06:44 PM   #3
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What does the OS rocket head benefit you over the Stock Head?
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Old 11-15-2007, 06:44 PM   #4
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2nd that. We have always had excellent results with osrocket.
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Old 11-15-2007, 06:45 PM   #5
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Quote:
Originally Posted by teabag View Post
What does the OS rocket head benefit you over the Stock Head?
When used in the summer it dissapates heat better.
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Old 11-15-2007, 06:48 PM   #6
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i think that iam going to get one

is it like some of the head`s were like 180 is like 220? temp?
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Old 11-15-2007, 06:56 PM   #7
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so it should run the same temp like 220 225
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Old 11-15-2007, 06:58 PM   #8
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ANY ONE?
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Old 11-15-2007, 06:59 PM   #9
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Ive seen head temp's on average of 20 to 30deg's. Extreme temps from friends, say up to a 40 deg diffrence, but that was just what they told me and not from me temping there motor.
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Old 11-15-2007, 07:01 PM   #10
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so it should run the same temp 220 225?
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Old 11-15-2007, 07:20 PM   #11
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What you should do is run your motor to optimum temp and power for your area. Lets just say it's 240deg F. Right after that, without touching the needle setting's put the new head on the motor and run the car again. Temp it after a few minutes and you will have your temp diffrence. Lets just say it comes in at 210deg. Then you know you should keep the temps around 205 to 210deg with the new head. Remember having a larger cooling head does not mean you can lean your motor more.
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Old 11-16-2007, 07:27 AM   #12
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looks like iam geting one thanks
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Old 11-16-2007, 09:21 AM   #13
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tune by smoke, throttle responce and sound.
temp would be a secondary thing. there are to many varables for temp only.

in theory a bigger cooler head makes more power.
cooler head = cooler engine block and carb which = a cooler dencer air charge.
again "In Theory"
OS will tell you that there head is specific to the heat disapative neads of that specific engine.

Good luck
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Old 11-16-2007, 10:10 AM   #14
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I have 2 heads from OS Rocket...(john) i have them on Picco motors..very good stuff...very durable. the one on my buggy i usually bend the top fin on stock heads, this thing is just like brand new!!! good quality anodize as well!!
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Old 11-16-2007, 12:58 PM   #15
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I'm sure the Rocket head is nice. However, on the V-Specs and the Ninja's, I seriously doubt you will notice any difference at all. These two motors have big, well designed heads.
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