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Author: Subject:  Salt lake 2ltr.
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posted on June 7th, 2006 at 09:29 PM
Salt lake 2ltr.


Need to start assembling engine parts for the lakester project.
I was going to base the engine on the 2ltr Kombi case. The requirement is a 3 mile runup, 3 mile timed and another 3 for rundown. Want to run methanol and blower using a primative draw through system, no electronics. Kinda old school. Hope to run close to 150 MPH at about 450kgs. What do you think would be a nice engine combo? Suggestions on blowers? Would an engine capable of this require anything other than ram air for cooling?




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posted on June 7th, 2006 at 10:03 PM



Quote:
Originally posted by speedster356
blower using a primative draw through system, no electronics. Kinda old school. Hope to run close to 150 MPH at about 450kgs.


on that line of thinking, i've gotta say 'cubes'....

i reckon it'll have more to do with getting the gear ratios right so that you get the most of whatever power you have.

what kinda body/chassis are you using?
i love the salt racer stuff, a guy at work goes to S.A. every year in a big old bus to race a '28 ford.... they've done about 175-180mph in it...

kai
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posted on June 7th, 2006 at 10:07 PM



Need to run 2ltr. Belly tank construction.



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posted on June 8th, 2006 at 12:21 AM



I'll be out there in a few years hoping to crack 200mph . Its pretty expensive to get the stability of a car at that speed right .

Do you have dates on roughly when it is ?
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posted on June 8th, 2006 at 06:35 AM



You will get that with a stock 2lt with a cam change.
Blower wise see what you can find.
Henry has my old Godfrey-Marshall roots set-up and a very nice replacement
unit that is in much better shape....he has for sale...he is HS618 in this forum.
Let me know when you start what you might need to know regarding fuel system and camshaft.
Man you could achieve that with a 1776 and volksy case...cool!




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posted on June 8th, 2006 at 07:45 AM



theres no subsitute for Cubes n Bumps

What about a classic Judson it might give you about 7 Lb if your lucky

Tall Wheels n tyres are required n a long run up say 3 miles




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posted on June 8th, 2006 at 09:50 AM



Forget the draw thru set up, mechanical injection is the way - and you are gonna have to move a hell of a lot of methanol!
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posted on June 8th, 2006 at 10:21 AM



Quote:
Originally posted by speedster356
Need to run 2ltr. Belly tank construction.


what about running special size pots or an offset ground crank to bring it right up to 2L?

BTW, love the idea.




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posted on June 8th, 2006 at 12:17 PM



For mine, I'd be going with the Toyo 1GGZE blower, pick your max revs (6500 ? depending on bottom / top end combo I guess) and overdrive such that you run the blower at near its max reccomended revs at redline. This at least gives you a budget option - these blowers are usually easily available for $350 to $500 mark.

And yes, lots of Methanol :)

If you got the ducting set up right, and didnt spend too much time idling around, I would think the ram air cooling would be OK - certainly the methanol fed speed car motors never used to run cooling fans, and they were worked very hard, lots of WOT etc.

Do you have a name for the car yet ? Speed record cars always need a name....
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posted on June 8th, 2006 at 06:43 PM



Quote:
Originally posted by speedster356
Belly tank construction.


have you started work on the body/chassis yet? or is the whole thing still on the drawing board?

couldn't you just use an f-vee chassis with a few mods?

i love the idea! there's a distinct lack of volkswagens on the salt.

kai
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posted on June 9th, 2006 at 11:54 AM



M90 supercharger? From a 3.8ltr



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posted on June 9th, 2006 at 12:06 PM



if its that satin black 356 with the flying pegasus; go the su carbie turbo set up.
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posted on June 9th, 2006 at 06:51 PM



That M90 is a nicely machined unit, but is a pain to rebuild.
If you can afford to carry a spare, it is an affordable option, but may be limited with boost.




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posted on June 18th, 2006 at 05:42 PM



Been thinking...
I would use a dry sump system, 1800 type 4 crank with counterweights, and larger bore with forgies (98mm).
You can use mechanical injection thru an old 2port hilborn deal and run port nozzles if the distrobution is sad.
Ram air should be OK if it is concentrated on the heads.
I have a free 3-71 blower if you want real old school, but it will need race prepping.




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posted on June 19th, 2006 at 12:14 PM



Quote:
Originally posted by dangerous
I have a free 3-71 blower if you want real old school, but it will need race prepping.


dude, you should open a shop! :duh




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posted on July 13th, 2006 at 08:14 PM



Off to NZ next week to pick up the belly tank :thumb and also have a look at the Graham Mcrae Spyder business which is up for sale again.



Spyder-WISD 07-09-05 11.6s @ 125 MPH

Speedster-WISD Nats 05 14.4s @ 89 MPH

Jet cruiser-Coogee 22-09-05 900 deg C @ 110,000 rpm

Weaseling out of things is what separates us from the animals....................Except the Weasel.
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posted on July 14th, 2006 at 06:27 AM



Oooohhh! Spiffy!



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posted on July 14th, 2006 at 07:15 AM



where r u storing this by the way



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posted on July 14th, 2006 at 11:49 AM



Hmmmm, is this safe to be towing around the countryside, I'd hate to end up on some sort of terrorist charge?

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Spyder-WISD 07-09-05 11.6s @ 125 MPH

Speedster-WISD Nats 05 14.4s @ 89 MPH

Jet cruiser-Coogee 22-09-05 900 deg C @ 110,000 rpm

Weaseling out of things is what separates us from the animals....................Except the Weasel.
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posted on July 14th, 2006 at 11:55 AM



Dave I'd be interested in the 371. If the rotors are OK will it just need bearings and seals?
I had a look at Peter Gumleys type 4 open wheeler with Whipple supercharger. It has 2 small round plenums on each head and a small (1/2" deep) one under the s/c. Is this a common setup, is it just to allow the s/c to be mounted low over the case or does it have other advantages?




Spyder-WISD 07-09-05 11.6s @ 125 MPH

Speedster-WISD Nats 05 14.4s @ 89 MPH

Jet cruiser-Coogee 22-09-05 900 deg C @ 110,000 rpm

Weaseling out of things is what separates us from the animals....................Except the Weasel.
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posted on July 14th, 2006 at 03:30 PM



I guess you'll be looking at /BFL, FL, BGL, or GL?

Or are you gonna enclose the wheels and go for a streamer?
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posted on July 14th, 2006 at 05:39 PM



Both gas and fuel classes Matt.:thumb



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posted on July 15th, 2006 at 07:43 AM



Yes that is all it needs Pete..it is very old off a diesel, but never raced.
I would say that his plenums are like that (low) just to keep everythong down close to the case.
Screw blowers dont really need a plenum to absorb the pulses like a roots blower traditionally has.
Reality is though that the screw does pulse, and the rootes does too but in a different way.
But it seems that a plenum is an easy way to join a big flat flange under a blower, to to some tubes that lead to the heads.
Try to keep the plenum as small as possible without restricting flow.
Mike K has done a brilliant job with his one on Cranky.




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posted on July 15th, 2006 at 07:45 AM



I will bring it to warwick with me if you want it...I am delivering some screww blowers too....:D



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posted on July 15th, 2006 at 02:24 PM



Shhhh.
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posted on July 15th, 2006 at 09:17 PM



Looks like Blown Fuel Lakester (G/BFL) is still without a record so that might be the one to run for. G/BGL (gas)currently stands at 204 MPH.



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Speedster-WISD Nats 05 14.4s @ 89 MPH

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posted on July 16th, 2006 at 09:31 PM



Quote:
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Hmmmm, is this safe to be towing around the countryside, I'd hate to end up on some sort of terrorist charge?


With a tow car like that, you are most definately a terrorist target!




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posted on July 20th, 2006 at 11:10 AM



It seems smaller than I thought!:P

[ Edited on 20-7-2006 by speedster356 ]

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Spyder-WISD 07-09-05 11.6s @ 125 MPH

Speedster-WISD Nats 05 14.4s @ 89 MPH

Jet cruiser-Coogee 22-09-05 900 deg C @ 110,000 rpm

Weaseling out of things is what separates us from the animals....................Except the Weasel.
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posted on July 21st, 2006 at 07:27 AM



I think there will have to be some modifications done



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posted on July 21st, 2006 at 12:25 PM



Quote:
Originally posted by vw54
I think there will have to be some modifications done


Ya think?.... Maybe he can stick a juddy on that puppy!... Then that sucker will really fly!.... Ohhhh... Better yet... Stick twin juddies on there!.... Woooo Hooo!




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