[Mrloudly]

http://www.pistonheads.com/gassing/topic.asp?h=0&f=23&t=1331215&mid=37970&nmt=RE:+Hennessey+McLaren+12C+HPE700

 

[Wtdoom]

To think I was nearly hung , drawn and quartered for daring to suggest that in my opinion getting 100 hp more out of this brilliant engine would not be so difficult ...

 

[Markjayw]

No thanks. Owner's have already tested their cars 60-130 and gotten below 7 seconds. I certainly don't want to void my warranty, nor add a water / methonal injection system.

 

[Woppum]

Must be miles cheaper to make as quick too?

 

[bbywu]

It seems member's opinions don't change no matter how many times this is reposted.

 

[Ritesh]

The car is already ridiculously fast. What would taking another 0.2 seconds off the 60-130 time accomplish.....except for potentially harming the motor.

 

[Belg]

I don't think it differs much from what evoms announced.

 

[Mrloudly]

It seems member's opinions don't change no matter how many times this is reposted.

Strange that, I trolled through and couldn't find a link to this article, a pointer would be appreciated

 

[noone1]

To think I was nearly hung , drawn and quartered for daring to suggest that in my opinion getting 100 hp more out of this brilliant engine would not be so difficult ...

It's not difficult, so long as you have no restrictions and all your goal is, is to get more power/tq at any cost. Factory performance is not a trade-off of quality/quantity.

"necessitating a water/methanol injection system to cool the charge air at high boost pressures to reduce the risk of detonation."

I'm pretty sure McLaren didn't need anything of the sort on the P1.



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[bbywu]

Strange that, I trolled through and couldn't find a link to this article, a pointer would be appreciated

I apologize. I didn't mean it to sound like I as taking a shot at you - rather, I have a jaded opinion of that particular tuner.

http://www.mclarenlife.com/forums/mclaren-mp4-12c/2889-hennessey-turns-mclaren-12c-into-cruise-missile.html

http://www.mclarenlife.com/forums/mclaren-mp4-12c/2875-700-hp-hennessey-upgrade-now-available-mclaren-mp4-12c.html

http://www.mclarenlife.com/forums/mclaren-mp4-12c/2823-how-make-458-match-12c-times.html

 

[Mrloudly]

No worries ;-)

 

[ftyl]

It's not difficult, so long as you have no restrictions and all your goal is, is to get more power/tq at any cost. Factory performance is not a trade-off of quality/quantity.

"necessitating a water/methanol injection system to cool the charge air at high boost pressures to reduce the risk of detonation."

I'm pretty sure McLaren didn't need anything of the sort on the P1.

The P1's engine does cool its cylinders using fuel. Which is why at high power it does happen that flames come out of the exhaust.

 

[ergoproxy]

ftyl--That is true of all engines though isn't it? Is the P1 running super rich at times? And flames are visible when the cat conv is too hot to work or fuel dump is used to keep the turbines spooled. Thanks for any further insight.