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01-10-2009, 03:06 AM
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#1 | | I contribute to threads in the offtopic forum
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| How much horsepower can stock Porsche internals handle? 1000, apparently.
Tym Switzer has been quietly running Switzer Performance Innovations (SPI) in Oberlin, Ohio for several years, building show-quality exhausts and bolt-on performance products for twin-turbo Porsche 996 and 997 models.
With his latest project, Tym and the crew at SPI wanted to test the limits of what would be possible with stock 997 internals. "When the customer first came to me with his 997, we talked a lot about about pushing the limits the new engine and what might be possible using stock internals. I had already been inside the 997 turbo engines, and felt that 700 wheel horsepower seemed well within reach on pump fuel, and that we might be able to go a bit further."
That "bit further" eventually led to what Switzer calls the SLEDGEHAMMER. Named after candid comment from an SPI tech, the SLEDGEHAMMER is a bolt-on performance package for 997 twin-turbo Porsches that delivers over 850 all-wheel horsepower on race fuel. That's over 1000 hp at the crank!
Getting Bugatti-baiting performance figures from a bolt-on prepared 997 is no easy task, though. Switzer explains he and his crew "have always prided ourselves on attention to detail and delivering exactly what we promise to our customers. We have a saying around here: performance, not excuses. So during the original SLEDGEHAMMER build we looked at every part of the system, constantly metering and testing every component, on our in-house chassis dyno."
A finished Switzer SLEDGEHAMMER is certainly an amazing car. Switzer reports that (despite backing off the throttle early) the first SLEDGEHAMMER (pictured) went almost 195 mph at the Texas mile. Additional performance figures read like the stuff of legend: consistent 0-60 times in the mid 2's, less than 5 seconds to go from 60-130 mph, and 9.8-second quarter mile elapsed times with trap speeds regularly in excess of 145 mph. "With performance like that, these cars really speak for themselves - I have another one on the dyno now, and expect to post the results of those runs shortly."
In addition to extensive ECU tuning, the SLEDGEHAMMER package includes SPI's in-house developed headers and sport exhaust, as well as SPI's MONSTER intercooler package (shown) and SPI-massaged GT30R turbos. More details on Switzer's SLEDGEHAMMER conversion can be found on SPI's website. The SLEDGEHAMMER package retails for 49990USD, and is available through SPI. Contact SPI for more information.
What other stock motors can handle 1,000 horsepower? 2JZ, maybe? And zero to 60 in 2 seconds?! WTF.  
[youtube]9jLsbjgbJkI[/youtube]
It sounds like a goddamn F-16 on the dyno...
[youtube]r5xMyVaqtkU[/youtube]
... and just badass on the strip.
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Last edited by 1983 Z28; 01-10-2009 at 03:10 AM.
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01-10-2009, 03:20 AM
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#2 | | RS.net, helping ugly ppl have sex since 2001
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that's a lot of traction yo.
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01-10-2009, 05:50 AM
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#3 | | The "You'd Know" Moderator
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Let's see how the R35 handles that kind of power! oh wait...
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01-10-2009, 07:08 AM
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#4 | | I answer every Emotion with an emoticon
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| Quote:
Originally Posted by impactX  Let's see how the R35 handles that kind of power! oh wait... | I love the first pic, looks like he's calling out the guy in the R35, and GTR owner is trying not to look.
I'm amazed at how quiet it is on the strip. If it's possible to have a sleeper Porsche, that one gets my vote.
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01-10-2009, 07:18 AM
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#5 | | RS controls my life!
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Why? Why does anyone ever need that much power on a street car?
Why? Why are you taking my Porsche Santy Clause why?
Well you see little one, there's a turbo on here that won't spool on one side. So I'm going to take it to my shop, and fix it up there, then bring it back here.
Last edited by Wykydtron; 01-10-2009 at 07:18 AM.
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01-10-2009, 07:40 AM
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#6 | | Ricer Mod
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I'm not a real fan of poorsche but I am a fan of performance and that's just badass.
Berz out.
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01-10-2009, 09:33 AM
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#7 | | Banned (ABWS)
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excellent thread, Dano!!! 
Maybe it's just me, but I'm more impressed at the AWD system not blowing itself into a million chunks when faced with that much power...props to them for keeping the car clean...it probably surprises the hell out of Z06s and Vipers on a Friday night | |
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01-10-2009, 09:38 AM
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#8 | | Rs has made me the woman i am today!
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Thats because porsches either stay quiet or they sound like SHIT. Short of the GT they are the worst sounding cars out there next to the v10 vipers.
The idle on the dyno vid makes it sound like a Toro mowing the lawn.
Last edited by Death2Theft; 01-10-2009 at 09:39 AM.
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01-10-2009, 09:38 AM
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#9 | | Everyone wants a piece of R S...
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How come it's RWD on the dyno? 997 turbo is not AWD?
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01-10-2009, 09:45 AM
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#10 | | Ricer Mod
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Perhaps they have a button that can turn the AWD off. Alot of cars have that.
Berz out.
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01-10-2009, 10:09 AM
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#11 | | Banned (ABWS)
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either that or they just remove mechanical linkages...I know on Syclones/Typhoons they just remove the front driveshafts haha
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01-10-2009, 10:12 AM
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#12 | | Banned (ABWS)
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just watched the videos...mad props for driving it to/from the track.
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01-10-2009, 01:47 PM
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#13 | | Rider
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Oh my god ...  | |
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01-10-2009, 01:56 PM
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#14 | | RS.net, helping ugly ppl have sex since 2001
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well i guess its cheaper than a GT2 with more horsepower too.
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01-10-2009, 02:18 PM
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#15 | | HELP ME PLS!!!
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what... the... holy shit ...
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01-10-2009, 08:21 PM
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#16 | | Banned (ABWS)
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| Quote:
Originally Posted by carisear what... the... holy shit ... |
same as my reaction
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01-10-2009, 08:26 PM
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#17 | | I *heart* Revscene.net very Muchie
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That e.t. in a stock looking car with a manual trans. I like.
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01-10-2009, 09:08 PM
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#18 | | I contribute to threads in the offtopic forum
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I enjoy reading this, we definitely need more quality threads like this instead of posts with photos of riced up veilside kits and put "600 hp" beside them
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Originally posted by Jocelyn
So, I guess a valentines day would include a blow job in the car with the PS2 hooked up and porn lined up.
Originally posted by Marco911
My C4S will ass rape a Z06 on a rainy day too.
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even tho Timpo's an ass ~ he actually knows what he's talking about
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where r jags assembled nowadays? back when they were made in GB, they were rock-solid, dependable and great cars.. now i hear the opposite.
Originally posted by maxx
lol.. Ford never even heard of Dakar not to mention get somewhere in it.
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01-10-2009, 09:21 PM
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#19 | | I subscribe to the Fight Club ONLY
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who remembers watching the SuperCars Exposed on speedchannel with Tanner Frost and the porsche with a claimed 1000 hp?
this from the same company ?
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01-10-2009, 09:37 PM
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#20 | | What hasn't Killed me, has made me more tolerant of RS!
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Nice vids! Tym cut his teeth on DSMs.. He made quite a few "1000hp-ish" 4g63s back a few years ago, he left Buschur and made his own news. 
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01-10-2009, 09:56 PM
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#21 | | Resident Bullshitter
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so we should just copy and paste from autoblog from now on....
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01-10-2009, 11:09 PM
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#22 | | I am on the internets
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german engineering at its best as usual
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