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Author Topic: 9 sec run with a NA engine  (Read 27836 times)
sven
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« on: August 24, 2010, 19:11:50 pm »

Hi Guys,

As the most from you know I'm trying to do a 9 sec. run with a NA engine, this weekend we achieved a 10.385 @ SCC, does anybody know if this is already been done in the past and with witch cars and engine.
If you know my car and have some ideas that can help me, I'll be glad to hear it.


Thx.
Sven.
« Last Edit: August 24, 2010, 19:14:55 pm by sven » Logged
bang
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« Reply #1 on: August 24, 2010, 19:54:22 pm »

almost all prostock cars in us run 9 with n/a engines, roger crawford rund 9 in his superstreet ghia.

dont know if any in europe runs 9 with an n/a you, jussi, and kemp is on the way..
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Roman
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« Reply #2 on: August 24, 2010, 20:58:09 pm »

The only one I know that has a license plate and has been driven on the street was Mark Reilleys (Ex Dean Lowrys Pro Stock) with a ARPM 3 liter engine.
I know JPM was very close a lot of years ago with his pro stock (sold to Norway I think). He made a 10.02 or so as best and I think that is the fastest ever in Sweden.

Good luck - aiming for the sky is the way to go!

I still have my race car, one day I'll start to chase you. Smiley
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Udo
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« Reply #3 on: August 24, 2010, 22:25:48 pm »


dont know if any in europe runs 9 with an n/a you, jussi, and kemp is on the way..

Bus engines do not count  Cheesy Cheesy

Sven , what is the weight of your car ?

Udo
« Last Edit: August 24, 2010, 22:27:21 pm by Udo » Logged

Dominick Luppino
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« Reply #4 on: August 24, 2010, 22:33:12 pm »

My Unlimited Street car ran 10.30 @ 133mph, street driven 2276cc. It made 180 hp on moter and 340 hp on nitrous on Heads Up dyno.
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LGK
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« Reply #5 on: August 24, 2010, 23:11:08 pm »


dont know if any in europe runs 9 with an n/a you, jussi, and kemp is on the way..

Bus engines do not count  Cheesy Cheesy

Sven , what is the weight of your car ?

Udo



Hi Udo,

Sven's car is 640Kg now,he went on a diet this winter as he is also doing some cycle-racing  Wink So i would guess he's around 710Kg all in...
Maybe Sven will confirm this...

Regards Steve.
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Neil Davies
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« Reply #6 on: August 25, 2010, 07:30:38 am »

If nitrous counts, then Bernard Newbury in Stitch Up is close - 10.001 @ 134mph I believe. Big Jaycee motor with a small-ish squirt of gas.
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2007cc, 48IDFs, street car. 14.45@93 on pump fuel, treads, muffler and fanbelt. October 2017!
BeetleBug
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Snabba grabben...


« Reply #7 on: August 25, 2010, 07:48:44 am »

Nitrous is supercharging and Svens car does not use nitrous.

GO GO GO Sven!
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10.41 - 100ci - 1641ccm - 400hp
Jesus
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« Reply #8 on: August 25, 2010, 08:52:15 am »

Dave Dinning has run a 10.39 @ 129mph,

He is aiming for a NA 9 sec pass too!
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BeetleBug
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Snabba grabben...


« Reply #9 on: August 25, 2010, 09:00:14 am »

Dave Dinning has run a 10.39 @ 129mph,

He is aiming for a NA 9 sec pass too!

The race is ON!

- Sven
- Kemp
- Jussi
- Dave

Who else?
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10.41 - 100ci - 1641ccm - 400hp
marcus ösd
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« Reply #10 on: August 25, 2010, 09:43:25 am »

maybe andreas åberg in the "herbie" i think his done 7.1 in the 201m so far with his "small engine" and theres alot of potential there. And wht about thomas kemp?
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Mags
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« Reply #11 on: August 25, 2010, 10:10:46 am »

Marcus, Andreas Åberg have pro stock Chassi from Chassishop,
Sven,Thomas,Jussi and Dave have floorpan car Wink

Magne
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Udo
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« Reply #12 on: August 25, 2010, 11:48:09 am »

Marcus, Andreas Åberg have pro stock Chassi from Chassishop,
Sven,Thomas,Jussi and Dave have floorpan car Wink

Magne

That's it . If you put a Ron Lummus chrom molly chassis under Svens car he will go 9's ....
640 kg is too heavy

Udo
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marcus ösd
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« Reply #13 on: August 25, 2010, 13:36:46 pm »

sorry i just thought it was a nine second na car in europe that was the topic. Roll Eyes
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Roman
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« Reply #14 on: August 25, 2010, 16:06:56 pm »

That's it . If you put a Ron Lummus chrom molly chassis under Svens car he will go 9's ....
640 kg is too heavy

Udo

I think it is possible anyway. Just add more power!

The super Street cars has smaller engines and about the same weight.
Super street regulations: 10.75 lbs per cui, minimum 1500 lbs including driver.

2789 cc= 170 cui, 710 kilos is 1565 lbs -> 9.2 lbs per cui.
If a super streeet can do a 9...
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sven
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« Reply #15 on: August 25, 2010, 20:07:44 pm »

Hi guys,

Total weight include myself is 710kg and this will  not change because i will not put any polyester or carbon parts on my car and the floorpan also stay.
I guess the only solution is find some extra pony's

What about bigger carburaters, currently i have 58 bergs but we have max. power with only 185 mainjets, maybe when we can more air into the engine we can use bigger main jets ....?
I do have to mention that we totaly have forgotten the venturis in the carbuarters they are only 48mm and the inlet valve's are 50.5mm, maybe I can start to make the   venturis bigger.
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Roman
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« Reply #16 on: August 25, 2010, 22:10:01 pm »

The jet size is depending on the vacuum signal from the engine.
It does not have much to do with the power.

I had 48 mm vents in my 58 mm Terminators with the same intake valve, but I never experimented with anything else.
I would go for a dyno session and experiment with different lengths on the intake and the exhaust and also vent size as you mention.

May the force be with you!
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ugly duckling
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« Reply #17 on: August 26, 2010, 04:25:16 am »

i wish you good luck on your quest sven.  UD  .
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Bewitched666
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Bewitched


« Reply #18 on: August 26, 2010, 07:13:38 am »

My pro stock runs in the 9's with a 2442 engine NA Cool
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Jon
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« Reply #19 on: August 26, 2010, 07:48:15 am »

A way to get more pony's is to reduce spring pressure... in other words get a Raptor cam from JPM.
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nicolas
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« Reply #20 on: August 26, 2010, 20:20:24 pm »

A way to get more pony's is to reduce spring pressure... in other words get a Raptor cam from JPM.

do you get free sticker from JPM?  Tongue

nah it makes sense what you say.

GO, GO, GO Sven.  don't forget it is a 'heavy latemodel' as well  Grin

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JS
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« Reply #21 on: August 26, 2010, 20:52:48 pm »

My car improved from 12,65 to 12,17 from a change to JPM´s cam. And there is more in the car with a 1,7 60 foot. Before the 12,65 last year I had a proper dyno sessong, but not now.
Sven, call Johannes, I´m sure there is more HP to be found!

And NO, I don´t get a free JPM sticker either!!!  Cheesy
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Signature.
Roman
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« Reply #22 on: August 26, 2010, 21:42:23 pm »

A way to get more pony's is to reduce spring pressure... in other words get a Raptor cam from JPM.

do you get free sticker from JPM?  Tongue

nah it makes sense what you say.

GO, GO, GO Sven.  don't forget it is a 'heavy latemodel' as well  Grin



My early 59 is 75 kilos heavier... It made a 10 with a flat cam and street tires!
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Airspeed
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« Reply #23 on: August 26, 2010, 21:55:55 pm »


... It made a 10 with a flat cam and street tires!
Dude, that is exactlly what he was saying: with a flat cam you need less spring....Its so simple, yeeezz!  Grin
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BeetleBug
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Snabba grabben...


« Reply #24 on: August 27, 2010, 07:43:26 am »

Sven,

According to my calculations you will need 310 rear wheel HP to manage a 9.998 sec run - 132 mph when you car weigh in at 710kg - 1565 lbs.

Best rgs
BB

Edit: I realize that my calculations are wrong. Your car is lighter than the weight I used. Good for you.

290 hp at the rear wheels should push you over the line in 9.920 secs.   





« Last Edit: August 27, 2010, 10:13:02 am by BeetleBug » Logged

10.41 - 100ci - 1641ccm - 400hp
Roman
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« Reply #25 on: August 27, 2010, 19:05:51 pm »

290 hp at the rear wheels should push you over the line in 9.920 secs.   

That means someting like 320 in the engine. With 2789 cc you need 114 hp/liter. Not easy, but is possible.
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Crazy Mc.Stairs
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« Reply #26 on: August 27, 2010, 20:58:48 pm »

290 hp at the rear wheels should push you over the line in 9.920 secs.   

That means someting like 320 in the engine. With 2789 cc you need 114 hp/liter. Not easy, but is possible.

I know Wink At the moment we have a bit more than 102hp/l. After Das Drag Day I will change some things and we'll try and hunt for that 9 second pass! Shocked

Cheers,

Christoph
PROFORMANCE
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Udo
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« Reply #27 on: August 28, 2010, 16:01:54 pm »

My Unlimited Street car ran 10.30 @ 133mph, street driven 2276cc. It made 180 hp on moter and 340 hp on nitrous on Heads Up dyno.

Hi Dominick

I have seen in Hot VW's from 2000 that Perkins did a super street record of 10,14 !! I think it was Dave and may be you know what car it was ? Nearly the same times that Roger does now in the same class

Udo
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Dominick Luppino
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« Reply #28 on: August 30, 2010, 15:49:24 pm »

My Unlimited Street car ran 10.30 @ 133mph, street driven 2276cc. It made 180 hp on moter and 340 hp on nitrous on Heads Up dyno.

Hi Dominick

I have seen in Hot VW's from 2000 that Perkins did a super street record of 10,14 !! I think it was Dave and may be you know what car it was ? Nearly the same times that Roger does now in the same class

Udo



That is the car now owned by Jack @ Jay Cee Ent. and driven by his son Zack, and the Dave Perkins is not the same person that helps me, there is two of them.
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Udo
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« Reply #29 on: August 30, 2010, 19:38:56 pm »

Ok thanks . 10,14 was very fast at that time ...

Udo
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