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Mr. Luddite

On 5/1/2017 3:05 PM, Keyser Soze wrote:
On 5/1/17 2:47 PM, Mr. Luddite wrote:
On 5/1/2017 2:29 PM, wrote:
On Mon, 01 May 2017 13:45:27 -0400, Poco Deplorevole
wrote:

On Mon, 1 May 2017 10:16:47 -0700 (PDT), Tim
wrote:

12:10 PMPoco Deplorevole
On Mon, 1 May 2017 09:51:41 -0700 (PDT), Tim
wrote:

So delorto evidently used the save carb for different apps,
excusing the needle and jetting. That's interesting. Using the
same CFM Venturi carburation for the wide of a genre cc engines. I
can't see it but it must have worked...

When I bought the Mille, it was jetted for the USA. Very soon after
buying it, I bought a European
jetting kit for both carbs. Also put competition pipes on it at the
same time. Turned it into a real
screamer.
....
I thought of looking up performance stuff for my v11, but I figure
it's good enough the way it is. Still comptimplating an MV though...

The pipes, jetting and K&N air filters made a hell of a difference in
the way mine ran.

Not really a motorcycle but the same sort of thing happened when I
rebuilt the "Vega" motor in my 75 Monza.
I got a distributor kit and another cam gear that changed the ignition
curve and cam timing, along with a little more compression, a little
overbore and a different carb made that a pretty fast Monza.
I am sure it would not have passed an emission inspection tho ;-)

I can understand how those modifications can make a big difference in
performance. Usually though, they are at the expense of something else.

But the K&N claims have always bothered me. My truck has the 5.4L
engine and came with single exhaust. About 4 years ago I was bored and
I had a dual exhaust system put on it just for the hell of it.
The guy who did the work assured me that I'd get better performance and
fuel economy with the dual exhaust. Bull****. Didn't change a thing.
I then replaced the stock air filter with a K&N. Didn't change a thing.

Since then, I've replaced the dual exhaust with the original OEM single
(was getting tired of the "rumble"). I also tossed the K&N for a stock,
OEM replacement. Again, no noticeable difference in fuel economy or
performance.

Snake oil, methinks.

One of my buddies with a truck similar to mine installed a K&N air
filter and some "name brand" exhaust. All the pair did, he said, was to
make the truck louder. I've made no mods to my truck, other than
installing a pair of "shock absorber" lifts for the front hood. For
reasons I don't understand, Toyota didn't put them on the truck, even
though they put them on their car hoods. I've got about 13,000 miles on
the truck now, after 13 months, and I'm averaging about 23 MPG for the
kind of driving I do around here. I've seen 27 MPG on the interstate if
I cruise between 65 and 70.

Your 27 MPG is slightly below the 2016 CAFE mileage mandate for pickup
trucks (28.8 mpg). Better get a tune up. :-)

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