Still won’t hurt the engine, though! The engine could stand 8000,
Not doubting you Kirby, but what is your source for this?
Roger Bywater, who worked in the engine development section at Jaguar
while this engine was being developed, and who knows people who have
actually raced largely-stock V12’s using 8000 as a redline.
If the fuel delivery system and air intake were up to the task, what
harm is there in running over redline on the “street” tach?
The fuel delivery system is more than up to the task, and the air
intake is only restricted by the little horns on the air filter
housings – easily remedied. The fact that the engine runs outta
power around 7000 is a DELIBERATE feature of the fuel mapping, to
prevent damage. If you wanna rev higher, you merely need a remapped
ECU. Contact – you guessed it, Roger Bywater at AJ6 Engineering.
The red line is there from the factory for a reason.
Redlines can fool people. Racers think they’re the point where the
engine comes apart, but manufacturers think of them as the point
where the car will run until the warranty period is up. In the case
of the Jag V12, apparently the biggest problem above – or even a bit
below – 6500 is the torque convertor, a GM product intended for 5000
I do know that
due to the overly square bore/stroke of this engine that it was
designed to rev to 10,000 (or more I think) RPMs, but that I would
assume would require with tougher internal components (crank, conn
rods, valve springs, etc.)
I’m not sure what. It looks like Jag put just about all the goodies
into the road car, with the possible exception of the pistons
themselves – which appaear to have some concessions to quiet and
durability over performance, although I dunno anyone who’s had one
– Kirbert | Palm’s Postulate:
| If anything is to be accomplished,
| some rules must be broken.
| – Kirby Palm, 1979From: Wayne Estrada email@example.com