Automotive AHC/WI - Saving the domestic British Motor Industry

oliver123

phx1138 said:
I'm not seeing Jag using both 3.2 & 3.6 at the same time, somehow. There wouldn't be much need for two sixes. An entry-level model with a straight four might be a good idea, but AFAIK, Jag's never contemplated one. And the mid-range V8 looks unlikely, too, so...
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The AJ6 had two heads
a dohc 24v and a sohc 12v from the V12
 

oliver123

phx1138 said:
Which isn't the same as two different displacement sixes, is it?
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In fact, AJ6 has two displacements in all its lifetime
It started with 2.9SOHC（the V12 head） and 3.6DOHC
Then it becomes DOHC of 3.2 and 4.0
It is very common to have different displacements of the same engine
 

oliver123

phx1138 said:
Not at the same time.
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I mean, of course, different discharges at the same time
Jaguar XK had 2 since 1955（2.4、3.4） 3since1958（2.4、3.4、3.8） 4since1964（2.4、3.4、3.8） 2 1968-1973（2.8、4.2）1973-1986(3.4、4.2）
AJ6 had 2 in its whole lifetime
BMW M30 had 5 at the same time(2.5、2.8、3.0、3.2、3.5）
BMC Aseires had 6 at the same time
Frod Kent had 3
Frod Piont had 4
It is extremely rare for European engines to provide only one displacement at the same time
I'm not so familiar with American engines, so I looked up the Wiki and took AMC, which has a relatively simple lineup, as an example
AMC L6 usually had 3 at the same time
AMC V8 usually had 3 at the same time
 
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phx1138

marathag said:
Ford 302 and 351W, taller deck, and for a few years the small bore 255, 302 and 351W, and Chevy had the 262-305-350-400 in 1976
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Should I have said "for Jaguar"? Because there, I'm unaware of more than one at a time.

Or should I have been less off-the-cuff? :oops::oops:
 
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