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http://www.pistonheads.co.uk/sales/1503972.htm

Am i being a cynic asking why its well know in Woking, serviced at preston but from mersyside ? And 460bhp ?

johninspain wrote:http://www.pistonheads.co.uk/sales/1503972.htm
And 460bhp ?

NA engine +40 BHP by exhaust and remap? IMHO impossible.

that would require the following:
increase in vol eff of 11%, on an already efficient engine...if it were 0.90, it would jump to 1.0!!!
increase of compression ratio to 13.9...not happening
increase displacement by ~1/2 liter
extend rev range 11% to >8600 rpm...

not in my opinion

ArthurPE wrote:that would require the following:
increase in vol eff of 11%, on an already efficient engine...if it were 0.90, it would jump to 1.0!!!
increase of compression ratio to 13.9...not happening
increase displacement by ~1/2 liter
extend rev range 11% to >8600 rpm...

not in my opinion

loke i said Arther, you know TOO much !!!

sorry guys to tell you that adding +40HP to an rs4 V8 is tottaly real. done on mine with lots of dyno testing.

but its a complet chaneg fo exhaust with sport cats (+15hp)

and engine remap (+25hp)

tne OEM remap is done taking accoutn that it still has to work with carppy gas (95 octane level) so if you only use 98 octane you can be more agressive on ignition timing which not going to far of course (no engine knocking)....

now what is false is to say that you reach 460hpo as OEM engine extracts typically in the 370-380hpo region so you actullay get back to the 420 hp once you did the mods...

Youry, how long ago was the first time you remapped a car yourself?

I live near Woking, work near Woking, my parents live in Woking, I grew up in Woking....

Never seen this car in Woking...

Porky wrote:I live near Woking, work near Woking, my parents live in Woking, I grew up in Woking....

Never seen this car in Woking...

What he said!

youry wrote:OEM engine extracts typically in the 370-380hpo region

...according to some dynos, but not according to real world acceleration runs.

S2tuner wrote:Youry, how long ago was the first time you remapped a car yourself?

I never said I did it myself did I ? But work with the right people to have it done for my cars and customers. don't see any issues with that.