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| | |-+  Has A sub 1700 cc Aircooled ever achieved a 9 Sec 1/4 ?		 « previous next »
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Author Topic: Has A sub 1700 cc Aircooled ever achieved a 9 Sec 1/4 ?  (Read 6552 times)
Fasterbrit
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« on: July 21, 2012, 22:00:15 pm »
Just throwing this out there... I know one of the turbo town cars has come very close, but has it been done? Cheers, Matt
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JamieL
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« Reply #1 on: July 21, 2012, 22:23:07 pm »
Now that sounds like a challenge...! Wink
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Peter Shattock
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« Reply #2 on: July 21, 2012, 22:24:14 pm »
I suspect you know this one from the all time top racers list its not sub 1700cc but only another 76cc and it was 16 years ago so certainly  deserves a mention!

Mika Mansukoski Finland 9.777 214.830 1776ccm T1 Alastaro, Finland May, 1996

I thought it was a typo when I first read it!

Don't forget Brian H's G dragster too which runs well into the 9's but I suspect you were thinking in a car, well worth a mention again though, and not forgetting is n/a too!

See you soon I hope,

Peter
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The fastest beetle in the village
Fasterbrit
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OFF#23 - The Fastest Outlaw in the West!
« Reply #3 on: July 21, 2012, 22:43:51 pm »
Yeah, Mika's car was certainly fast, but as you point out it was 'big' cc Smiley

I would love to see a 10,000 rpm turbo 1699cc or lower. Just imagine buzzing up there with the rice burners Wink That would be awesome!
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OFF#23 OUTLAW FLAT FOUR www.outlawflatfour.com
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dangerous
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« Reply #4 on: July 21, 2012, 23:15:44 pm »
If you go back in time to the late 1970's the fastest drag beetle in the world ran into the 9's at over 140mph.
Bob McClure's "Little Leroy" was reported to be 1700cc engine.
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speedwell
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« Reply #5 on: July 21, 2012, 23:33:57 pm »
Quote from: dangerous on July 21, 2012, 23:15:44 pm
If you go back in time to the late 1970's the fastest drag beetle in the world ran into the 9's at over 140mph.
Bob McClure's "Little Leroy" was reported to be 1700cc engine.



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Shag55
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« Reply #6 on: July 22, 2012, 01:56:42 am »
Awsum! Never seen that article.
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Zach Gomulka
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« Reply #7 on: July 22, 2012, 03:41:50 am »
92x64= 1702cc. Just missed it Wink
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richie
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« Reply #8 on: July 22, 2012, 09:11:23 am »
Quote from: Zach Gomulka on July 22, 2012, 03:41:50 am
92x64= 1702cc. Just missed it Wink

as 92 arent actually 92mm then 91.95x64=1700cc Grin  perfect


amazing times for what was available back then

Pete you know what you got to do next Wink


cheers richie
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Zach Gomulka
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« Reply #9 on: July 22, 2012, 09:14:17 am »
The piston is 91.95, the cylinder is still 92 Wink

Very impressive times.
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Fasterbrit
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OFF#23 - The Fastest Outlaw in the West!
« Reply #10 on: July 22, 2012, 09:59:46 am »
Richie... 91.95 bore computes to: 1,700.15933 cc, so is not sub 1700 Wink
Close, but no cigar Smiley
« Last Edit: July 22, 2012, 10:01:32 am by All Torque » Logged
9.563 @ 146.25 mph Cal Look Drag Day, Santa Pod, April 2011
OFF#23 OUTLAW FLAT FOUR www.outlawflatfour.com
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richie
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« Reply #11 on: July 22, 2012, 10:03:44 am »
Quote from: Zach Gomulka on July 22, 2012, 09:14:17 am
The piston is 91.95, the cylinder is still 92 Wink

Very impressive times.

So if I bore the cylinder say 0.5mm more does the engine size go up if i am still with the same 91.95mm piston?[yes I know if would have awfull ring seal if i did that,but it is 92s we are taling about Cheesy ],and who knows what they were actually using back then for pistons and cylinders,custom stuff for sure Smiley

cheers richie
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richie
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« Reply #12 on: July 22, 2012, 10:05:44 am »
Quote from: All Torque on July 22, 2012, 09:59:46 am
Richie... 91.95 bore computes to: 1,700.15933 cc, so is not sub 1700 Wink
Close, but no cigar Smiley

I will let John maher know his calc is not accurate enough Wink
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Cars are supposed to be driven, not just talked about!!!   


Good parts might be expensive but good advice is priceless Wink
Fasterbrit
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OFF#23 - The Fastest Outlaw in the West!
« Reply #13 on: July 22, 2012, 10:18:00 am »
The 91.95 piston grows into the 92 bore with heat and effectively increases the cc the hotter it gets. Also, the cylinder expands, albeit at a lesser rate, so the cc I guess is constantly changing according to temperature. Only by minuscule amounts though. A constant variable. I guess for the purpose of argument the cylinder bore at room temp is the standard to measure cc. Any other measure would be subjective...
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9.563 @ 146.25 mph Cal Look Drag Day, Santa Pod, April 2011
OFF#23 OUTLAW FLAT FOUR www.outlawflatfour.com
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magic
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« Reply #14 on: July 22, 2012, 23:00:25 pm »

If you follow the manufacturers standards, then a 1641 would be a 1600. and a 1776 would be 1800.... So easy a 1700!! Grin Grin Grin
OR.. he could reduce the combustion chamber with 1 cc. and be done with it.......... Roll Eyes Cheesy
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