3.1L 240Z triple weber carb tuning (w/ new Stahl headers)
A collection of short clips / butt Dyno runs while tuning the triple Webers on my 3.1L 240Z. Open Exhaust. Unfortunately, I didn't have the benefit of an O2 sensor / AFR. All in all, I was pretty pleased with the final results, the new headers have really opened up the head's flow potential. Sounds good, too! :)
untuned and unmuffled idle, 240Z 3.1 stroker
Quick demo of the new race headers (Stahl), at no point does the engine rev
above 3k rpm (despite how it sounds at 1:25). Other coincident upgrades
include titanium valve spring retainers, single valve springs (outer
springs only) that the cam was profiled for, and a crank/damper/flywheel
balance for 10,000 rpm.
And yes, that's coolant on the ground during the idle portion. Evidently I
didn't tighten one of the thermocouple housings all the way. Oops.
Between moving and other logistical challenges, I barely had the time to
get the new race motor installed and minimally operational before sticking
it back in the trailer for 6 months of storage, after which the engine
Nissan 240Z eats Porsche 911 GT3 to breakfast
Nissan 240Z faster than a Porsche
911 GT3 on Racetrack.
This is the true power of the Nissan L Type engine
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My 240z on the dyno at Z bash
BTW i have an update video with the 3.1L installed. Just search "240z 3.1L
Stroker (Beta Build)"
I put down a max of 130.5rwhp and torque at about 135ish. L24 tripple 44s
BMW E21 Triple Weber Carburettor Tuning + loud revving!!
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Loony Garage's custom built BMW E21 show car gets the triple Weber
This is exclusive behind the scenes footage which shows work being done on
this one of a kind BMW.
Listen to the incredible engine noise when the mechanic is revving it! :-)
Find the specs, photos, more info and a lovely blond Playboy model here:
3.1L 240Z vs. the Ozark Mountains
Some [conservative] horseplay in my 1971 3.1L 240Z before putting my new
race motor away for the winter. This is NOT a performance driving video,
just some fun on an awesome road.
This is first time I've driven the road, so I'm a little more confident
after 3:00. (I found it on Google Earth then trailered my car there.)
Some highlights, since it's not exactly a concise video:
1:55 downhill stretch, crossing Beaver Lake
2:40 more aggressive driving begins
4:00 scared myself a bit
4:40 traffic encountered
5:00 engine vs. open highway
Referenced walk-around video of my L6 motor:
Mustangs for lunch
240z (L28 Triple Mikuni 5 spd) @ Sebring: NASA HPDE3, second session of the
day on June 20, 2009.
Starring Gee-Force Z spider :)
Dare to Be Different in a Datsun 240Z
Owner Dave Scholz, shares his connection with a Japanese cult classic that
could easily be regarded as the 911 of Japan. Its iconic beauty, modular
mechanics, and desirability inspired Dave to heed to Datsun's famous racing
campaign of the '70s, "Dare to be different."
American heads spun when the 1970s ultimately snuffed out their beloved horsepower-drunk
muscle cars. As the world watched them squirm for performance, Japan was
busy developing the 240Z to bring a new thrill to American roads using
balance, harmony, and technology.
"Datsun didn't invent the overhead cam engine, or disc brakes, or
independent suspension but it has a habit of incorporating these
sophisticated systems into brilliantly conceived and easily affordable
cars." (Car and Driver; June, 1970)
Datsun 240Z at Circuit of Americas
Mark Rolston's RB26 Powered 1971 240Z at Circuit of the Americas, Driver's
Edge DE on Sunday Jan 13, 2013
280Z Triple Weber 45 - First Start
UPDATE - After 3 months of light use, this engine failed. The rockers kept
coming off the posts, and eventually pistons made contact with the valves.
3000$ engine down the drain... stay away from ebay rebuilt engines! New
Rebello 3.0L has taken its place - See my other videos.
240z vs Rx7
This was the third session of the day in HPDE3 on April 25, 2010. We saw
this Rx7 zipping around all weekend and finally caught up with it. Both
drivers were testing their limits and it was quite exciting being in the
car and experiencing this "battle" firsthand. Gee-Force Z spider got a good
workout too. Until next time little blue Rx7!
240Z race motor idle demo
Short clip of the race motor idling in Annapolis, MD (summer 2010) a few
days before the NE Divisionals (SCCA Solo) in Washington DC.
Cam: .565" lift, 326/315 in/ex duration.
12.5:1 3.1L stroker motor w/ forged slugs.
(Street headers, Magnaflow straight muffler, 2.5" kinked pipe.)
240Z FLAT OUT RUN
Full race spec NIssan L28 Motor(3.1 liter Injection)
6-1 Cyclone Headers(Hand bend)
S15 SILVIA 6 Speed Mission