The sound of an angry (or happy perhaps) V12
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Thanks for the memories . . .
Thanks Steve . . . you have cheered me no end with that great clip from Targa Tassie 2014.
Haven't heard music like that for 20 years or more. And back then, it wasn't even a car. Hawkesbury River, and our floating rocket ship "Jagged" celebrated its newly fitted engine with an Australian class win (Unlimited 6Litre Hydro). Later XJS V12 engine, bored to full 6Litres; with half wave headers leading into twin race prepped Toyota Supra turbochargers pressure limited to 3.0Bar; then a long tuned megaphone pipe from each turbo and each pumping 250L/min water injection. The howl at full throttle was quite remarkable.
Largest V-Drive box we could get was a German ZF (maker of our later S-Type autos) rated just beyond the limit of the estimated 750SHP plus @ 8100RPM. Estimated "plus" coz the biggest shaft-input dyno we could access then was 750SHP and that came up at 7700RPM.
She was a prop-rider of the first order, and the young chap who piloted our rocket was near unbeatable . . . until the crash late in our second season. The engine was salvaged, rebuilt and saw (sees?) out its life somewhere up in Qld still with de-tuned twin turbos but no water gear and no methanol , competing until much later (lost track after further sale about 2004) in historic racing in . . . you guessed it . . . an XJS.
Thanks for the memories,
Ken
Haven't heard music like that for 20 years or more. And back then, it wasn't even a car. Hawkesbury River, and our floating rocket ship "Jagged" celebrated its newly fitted engine with an Australian class win (Unlimited 6Litre Hydro). Later XJS V12 engine, bored to full 6Litres; with half wave headers leading into twin race prepped Toyota Supra turbochargers pressure limited to 3.0Bar; then a long tuned megaphone pipe from each turbo and each pumping 250L/min water injection. The howl at full throttle was quite remarkable.
Largest V-Drive box we could get was a German ZF (maker of our later S-Type autos) rated just beyond the limit of the estimated 750SHP plus @ 8100RPM. Estimated "plus" coz the biggest shaft-input dyno we could access then was 750SHP and that came up at 7700RPM.
She was a prop-rider of the first order, and the young chap who piloted our rocket was near unbeatable . . . until the crash late in our second season. The engine was salvaged, rebuilt and saw (sees?) out its life somewhere up in Qld still with de-tuned twin turbos but no water gear and no methanol , competing until much later (lost track after further sale about 2004) in historic racing in . . . you guessed it . . . an XJS.
Thanks for the memories,
Ken
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yarpos (11-26-2014)
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jagent
XJ6 & XJ12 Series I, II & III
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09-12-2015 09:10 AM
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