Low personal B.M.E.P.
They're a lot lighter than a V50. Probably not a lot slower than a modern 250 Kawasaki. The attraction is the handling. Very, very good for the period.Originally Posted by F5 Dave
I did a later Dart for BEARS racing. Same motor, alloy frame. The key is to get the squish tight on the Heron heads. Less than 1mm for preference. They can go.
Forum whore
not many people can ride a 916 to their potential nor want to. With all the hipsters out there ready to buy a personality this will be quite popular these days too. Wonder how they woud stack up against a modern 500 cc harley?
"channellling the Pleideans"
I have ridden a 500cc Harley a bit and it was surprisingly not a bad bike. It had ground clearance issues which you'd expect given the styling and the low low seat.
That Morini does nothing for me but good luck to someone who wants to own it.
I thought elections were decided by angry posts on social media. - F5 Dave
No8 Wire Extraordinaire
Not many can ride a 600 to their potential, but plenty buy litre bikes and Busas.
A 916 is pretty, iconic, and even usable in a Sunday ride sort of pigeonhole.
It's cool and dangerous and therefore so am I. Vs, here's my 350. I'm not saying it isn't desirable to the right person, and more power to them (ohh, unintended ironing) but 9 out of 10 cats will be pointing to the 916 so the money follows that.
Let's see how quick it goes.
Don't you look at my accountant.
He's the only one I've got.
"channellling the Pleideans"
all the way to the "h" on "mph"
I thought elections were decided by angry posts on social media. - F5 Dave
No8 Wire Extraordinaire
Vega Italian instruments? Probably swings from 40 to h
Don't you look at my accountant.
He's the only one I've got.
Forum whore
Heron head design - a flat head with a bowl in the piston (eg crossflow escort) - other than a much cheaper to build cylinder head, what other advantages are there to offset the much heavier piston?
it's not a bad thing till you throw a KLR into the mix.
those cheap ass bitches can do anything with ductape.
(PostalDave on ADVrider)
Anorak
my take apart from the cheapness, As a piston is easier to accurately machine, than a cylinder it allowed tighter control of tolerances so high comp without blowing the shit up was easier. so you could have safe high comp and good squish for great efficiency esp compared to std heads of the time.
Casting dome heads are pretty variable even now in regards to sizes if not machined all over
afaik The V12 jags also had them also.
Kinky is using a feather. Perverted is using the whole chicken
No8 Wire Extraordinaire
But heavy thus limiting revs.
Especially crucial when other design constraints wasted every other down stroke of potential power output. I mean let's pull your pants down and put on a blindfold.
Don't you look at my accountant.
He's the only one I've got.
Forum whore
The first Jag V12 had Heron heads but the later Mays "Fireball" heads had combustion chambers with flat top pistons, which increased efficiency and gave better fuel consumption.
https://www.jaguarheritage.com/jagua...ng/v12-engine/
it's not a bad thing till you throw a KLR into the mix.
those cheap ass bitches can do anything with ductape.
(PostalDave on ADVrider)
Anorak
oh cool
i can remember being told there was a version of the escort crossflow that the rally guys used to chase that had a small combustion chamber with a bowl rather than the flat head.
Rumor has it they used to use that with flat top pistons. Obviously no BDA or rtary i was told it was a great improvement
I had the period works Ford rally prep book and there was no mention of it though so i don't know if its true
I have never seen one myself or know if its true. But i knew there was a 900cc escort we never got in NZ and all the cross flows had the same bore and only the stroke varied.
I wish i had kept my MK1 2 door.
One of dads friends used t run jags he has two buried nose down outside his house
he said the XJ12 used twice the petrol the6 did getting to CHCH only a few minutes faster.
Kinky is using a feather. Perverted is using the whole chicken
Low personal B.M.E.P.
The Heron head is said to be less sensitive to fuel quality. Most engines using it came out around the period when pump petrol was generally shit so there was some sense to using that design. Before ethanol became popular with the petrol companies, a lot of engines had detonation and/or pre-ignition on regular pump gas.
Too old to die
The Q & A section gets me....
https://www.trademe.co.nz/a/motors/m...7?bof=XyiCtF9u
The best way to forget all your troubles is to wear tight underpants.
No8 Wire Extraordinaire
Ooh some anger issues there. He'll be asking himself;
WHY could I not get it to run properly?
WHY am I such a loser that no one likes me even though I tell them they must?
WHY is no one buying this bike?
Don't you look at my accountant.
He's the only one I've got.
No8 Wire Extraordinaire
https://www.trademe.co.nz/a/motors/m...9?bof=XyiCtF9u
Doesnt go, rego hold expired.
$2500.
Fuk
Right
Off.
Don't you look at my accountant.
He's the only one I've got.
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