[Shotimes] N/A Dyno 318hp 279tq

[Alan M Yutzy]

I was thinking the same thing... I wouldn't want to be in the bay while 
it was sampling :|

-Alan
'99 TG

D. Mallinson wrote:
> I doubt if the difference between 35 psi and 70 would make 5% 
> difference, but that is just a guess based on when I had my Dynojet.  
> I could see 1-2 hp difference at most, in a 10psi bump, but we never 
> recommended much over 5psi over factory recommendation due to the 
> chance of the tire exploding.
> Modern radials have pretty low rolling resistance, and more pressure 
> doesn't make as much difference as it used to with bias ply tires.
>
> I don't know of any passenger tires that say 50+ is safe.  Especially 
> at 100+ mph.  With the tie-downs forcing the tire down, you can get a 
> lot of heat quickly.
>
> Don Mallinson
>
> Paul L Fisher wrote:
>
>> OK. But what are we talking, 10%, 20%?
>>
>>
>> Paul L Fisher
>>
>> Visit my website: http://www.paul-fisher.com
>> Amsoil dealer: http://www.paul-fisher.com/oil
>>
>>
>> -----Original Message-----
>> From: shotimes-admin@autox.team.net 
>> [mailto:shotimes-admin@autox.team.net]
>> On Behalf Of Bob
>> Sent: Monday, September 04, 2006 3:44 PM
>> To: shotimes@autox.team.net
>> Subject: RE: [Shotimes] N/A Dyno 318hp 279tq
>>
>> Because it reduces driveline losses through the tires.  Unless this is a
>> salt car, 70 psi is twice normal inflation which will cause
>> less rolling resistance via a smaller contact patch and less power 
>> will be
>> absorbed by the normally flexing sidewalls.  In the real
>> world, 70 psi would leave the vehicle with significantly reduced 
>> traction,
>> but in this case, the tie-downs prevent slippage.  This
>> throws off the load calculations and creates an unrealistic environment.
>> Most likely, the tuning was done under real world
>> conditions and then the owner told the operator to get some good 
>> numbers.
>>
>> If someone wants to use a dyno as a simulator so that tuning can be 
>> done,
>> the general goal is to get the dyno variables as close to
>> real world as possible.  This would include a real world curb weight 
>> with
>> 1/2 tank gas and a driver.
>>
>>     -- Bob
>>
>>  
>>
>>> -----Original Message-----
>>> From: Paul L Fisher [mailto:sho@paul-fisher.com] Sent: Monday, 
>>> September 04, 2006 1:03 PM
>>> To: 'Bob'; shotimes@autox.team.net
>>> Subject: RE: [Shotimes] N/A Dyno 318hp 279tq
>>>
>>> Huh?
>>>
>>> How does that increase your HP?
>>>
>>>
>>> Paul L Fisher
>>>
>>> Visit my website: http://www.paul-fisher.com
>>> Amsoil dealer: http://www.paul-fisher.com/oil
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