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Finally in the 9's

 
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af2
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Joined: 01 Sep 2003
Posts: 5548
Location: grassvalley, ca
70919.08 points


1933 Willys Coupe

PostPosted: Sun Apr 09, 2017 12:30 am    Post subject: Finally in the 9's Reply with quote

9.92 at 130 finally. The wing was the main reason it drove great!!
That was at 6000 rpm with more to come.
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Big Dave
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Joined: 04 Dec 2005
Posts: 2631
Location: Tampa Florida
119350.64 points



PostPosted: Sun Apr 09, 2017 7:31 pm    Post subject: Reply with quote

That is a drop dead candy apple red paint. Absolutely gorgeous.

Curious how that wing design helps as from the angle I se I don't see it generating a lot of down force unless the wing is angles up and I can not see it.

Can Am racers (and Automobile Club de l'Ouest cars like Porsche 917, Ferarri, Jaguar and the Ford GT that raced at Les Mans and Monaco) discovered that carrying the body line straight back and terminating it in a straight drop off reduced aerodynamic drag, but they had to use vacuum cleaners to hold the car to the ground in Can Am racing until they were banded (then they added wings).

Big Dave
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af2
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Joined: 01 Sep 2003
Posts: 5548
Location: grassvalley, ca
70919.08 points


1933 Willys Coupe

PostPosted: Mon Apr 10, 2017 5:45 pm    Post subject: Reply with quote

Dave, no down force, lid is at 0 degrees.
The difference is it is no longer acting as an airplane and lifting as you increase speed as it was doing before. I went 136 before and would not have tried again and didn't. Big time steering to slow it down.

Also we blocked the front if the car and cut slits in the rear of the front fenders to kill the air going over. Again like an airplane wing at speed.

Pic of the pan.

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af2
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Joined: 01 Sep 2003
Posts: 5548
Location: grassvalley, ca
70919.08 points


1933 Willys Coupe

PostPosted: Mon Apr 10, 2017 6:17 pm    Post subject: Reply with quote

Big Dave wrote:
That is a drop dead candy apple red paint. Absolutely gorgeous.

Big Dave


Thanks Dave!!

My son and I looked at one of his friends car a 62 Chevy 2 with a new 489 bbc and saw the brackets on the rear ladder bar were complete junk. We had him bring it to Nick's house so we could use the lift and what a joke it was. He had bought a Fab 9" for later and we ended up setting it up with new ladder suspension, reinforced all the hacked in frame, fixed the coil over front end and all the other crap we found wrong....

My son's friend that owns a body shop in turn took the Willys and completely fixed the glass body that was cracking and separating then Painted the thing. 2 week turnaround for both cars and we made the Nostalgia race in Sacramento. Both of us ran the best time ever.
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10sec.et
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Joined: 29 Mar 2006
Posts: 3443
Location: Houston,Texas
345617.94 points


1969 Oldsmobile Cutlass

PostPosted: Tue Apr 11, 2017 11:57 pm    Post subject: Reply with quote

HELL YEAH!!! Cheers
glad to hear someone headed in the right direction. the wing is a HUGE help on the Austin. straight as an arrow and no dancing around at the top end.

_________________
af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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Paul P
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Joined: 15 Aug 2002
Posts: 2366
Location: Townsend, Mass.
80297.82 points


1971 Chevrolet Chevelle

PostPosted: Sat Apr 29, 2017 2:49 pm    Post subject: Reply with quote

That wing even at 0 degrees adds downforce.
_________________
2001 Focus 2.0 Zetec
15.63@87 MPH 1/4mi
1971 - Chevelle 408 SBC N.A.
6.95@98.6 MPH 1/8mi
10.97@121 MPH 1/4mi
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af2
Member


Joined: 01 Sep 2003
Posts: 5548
Location: grassvalley, ca
70919.08 points


1933 Willys Coupe

PostPosted: Wed May 10, 2017 12:33 am    Post subject: Reply with quote

Paul P wrote:
That wing even at 0 degrees adds downforce.


Yes it does because it negates the up force created in the rear of the car by being round..
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Paul P
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Joined: 15 Aug 2002
Posts: 2366
Location: Townsend, Mass.
80297.82 points


1971 Chevrolet Chevelle

PostPosted: Wed May 10, 2017 8:35 am    Post subject: Reply with quote

After some passes last year on the street skating at 90+ in high gear i might need to put something on the back of the Chevelle. LOL

Cheers

_________________
2001 Focus 2.0 Zetec
15.63@87 MPH 1/4mi
1971 - Chevelle 408 SBC N.A.
6.95@98.6 MPH 1/8mi
10.97@121 MPH 1/4mi
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