Rick,
Here's some of the specs for the new SS Silverado....still not "Lightning" stuff but I
hear more performance will come in time...
Model: Chevrolet Silverado SS
Trim level: LT
Body style / driveline: Extended Cab / AWD
Manufacturing location: Oshawa Ontario,
Canada
POWERTRAIN
Engine: Vortec High Output 6000V8
Type: 6.0-liter OHV V8 with cast-iron block
Displacement (cu in / cc): 364 / 5967
Bore x stroke (in/mm): 4 x 3.62 / 101.6 x 92
Cylinder head material: Cast aluminum
Valvetrain: Overhead valve with two
valves per cylinder
Ignition system: Coil near plug,
platinum-tipped spark plugs, low
resistance spark plug wires
Fuel delivery: sequential central-port fuel
injection
Compression ratio: 10.0:1
Horsepower (hp / kw @ rpm): 345 / 257 @ 5200
Torque (lb-ft Nm @ rpm): 380 / 516 @ 4000
Recommended fuel: 91 octane minimum,
premium fuel only
Maximum engine speed: 5600
Estimated fuel economy
(mpg city / hwy / combined): 12 / 16 / 13
rick schaefer wrote:
> GM is bringing back the GTO next year. Its a 5.7 liter V8, imported from Australia.
> The Impala SS is rumored to return, but I'd bet that its with a super/turbo charged
>V6. Probably too expensive to retro fit a V8 in the current chassis.
> For Sure - They are bringing back a Silverado SS next fall, but i don't have a clue
>as to power. Probably LS1 camaro/fbird variation. After all they wont have any Z28s
>to put the LS1 into.
> rick
> ---------- "Ken's Email" <[EMAIL PROTECTED]> writes:
>
> Yo:
> I am a chevy guy and have 3 classic chevys. But, what is going on with Chevy and
>Muscle cars ?
> I just read that Ford is coming out this year with a new retro Ford Mustang Mach I
>with 300 Horsepower. This follows the Ford Mustang Bullitt, and the Ford Thunderbird.
> Chevy discontinued the Camaro. The GTO may come back.
> So, anyone know what is Chevy doing to compete with Ford who appears to be uping the
>ante ?
> Thanks,
> Big Ken
> Robert Belz <[EMAIL PROTECTED]> wrote: Hey Rob,
> Thanks for your input. I like the goin' fishin' analogy. Thanks for the
> tip on jetting. The Holley manual for that carb suggests jetting down 1
> step for every 2000 ft. but it sounds like that might not be the way to go.
> If I do try that and get a stumble I'll know what's going on. Looks like I
> just need to play. Wish I was rich, the chassis dyno I mentioned in earlier
> posts can be rented for $600 per day. That would be a great way to quantify
> any changes besides seat of the pants.
> Thanks again,
> Bob Belz 71 SS454
>
> ----- Original Message -----
> From: "Rob Thorburn"
> To:
> Sent: Tuesday, July 09, 2002 9:25 AM
> Subject: Re: [Chevelle-List] tuning tips anyone?
>
> > Hi Bob:
> >
> > Even if someone had a BB with all of those parts, it would be a different
> > setup because of the tranny, the ring and pinion gear, and so on.
> > 1. Get in that: I'm Goin' fishin' mood, you know: I'm going to waste away
> > the whole day, but I'm not a bum, because I'm fishin'.
> > 2. Find some isolated area, away from residential, where you can tear off
> a
> > couple of gears. I have a freeway on-ramp.
> > 3. Change the total timing in two degree increments. Start at 30
> degrees,
> > run up the ramp, then again at 32, and so on. Jot down your impression of
> > each timing setting. As you get away from the ideal setting it should
> > become obvious.
> > 4. The same idea with the jetting. Jump two jets at a time, starting with
> > the stock jetting. Leaning a Holley, most often, causes undesireable
> > effects, such as bog or stumble. Even for your elevation, never
> > underestimate a Big block's love of fuel! A stumble is a "too lean"
> > condition, one hundred percent of the time. I will go out on a limb and
> say
> > that you cannot make a engine fall on its face with too much fuel. A too
> > rich condition will cause a loss of chrisp acceleration. You will sense
> > that the engine is cleaning out through that too rich part. The most
> common
> > over rich error is over modifying the accelerator pump, most all other
> > errors are too lean. If you have a big cam, and/or headers, the engine
> will
> > want more fuel than what Holley jetted for.
> >
> > Have fun;
> > Rob '67 Malibu
> > '67 El Camino (still in a basket)
> >
> >
> > ----- Original Message -----
> > From: "Robert Belz"
> > To:
> > Sent: Sunday, July 07, 2002 7:18 PM
> > Subject: [Chevelle-List] tuning tips anyone?
> >
> >
> > > Anyone care to share their tuning specs if they are using a Holley 770,
> > > Performer RPM intake and MSD distributor (on a big block)? So far I have
> > > tried 32 to 38 degrees total timing, left the blue bushing in the
> > > distributor and changed the springs to the light blue to get all advance
> > in
> > > by 3000 RPM. Left the carb jetting stock (probably could lean it out
> some
> > > as I'm at 4800 ft.) Haven't seen much in the way in performance
> increases
> > > so far.
> > > Thanks,
> > > Bob Belz
> > >
> > >
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> > >
> >
> >
> >
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>
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> rick schaefer
> 72 El camino
> http://www.endrud.net/elcamino/rick1972elky.html
> ACES #00140
> Team Chevelle #00038
>
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