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Author
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Topic: street/strip automatic
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steve'66
Gearhead Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 03-12-2001 08:04 PM
   
OK guys,Melissa finally thinks she may be more consistant and win more bracket races with an auto.  Unfortunately we got a bit invested into the 4spd with the centerforceII, and Hurst comp plus shifter.
 I guess we can sell the 4 spd set up, or keep it for grins. But the real question is what do we need for an auto? The 351w w/ 282s cam has bottom end grunt. I'm thinking a 10" converter around 3000 stall, and an aod 'cause of the 4.10 gears. Who makes a decent aod that will live forever behind this 110mph 1/4 mi. 3100# engine? Or would it be cheaper and more reliable to go with a c-4? I really like the idea of an aod, so talk me out of it if I'm all wet! Thanks everyone! SteveW
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Doc
Gearhead Posts: 466
From: Redwood City, Ca. USA
Registered: Jan 2001
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posted 03-12-2001 09:45 PM
I just finished an AOD 65 Mustang deal and was not happy with some of the catch 22 stuff. The AOD is wider so all the regular early Mustang headers that pinch in close to a C4 hit the AOD. I used the Fox Windsor trans crossmember and found when I got the headers to fit the crossmember had to be trimmed to allow the exhaust pipe to go on. The crossmember is not overbuilt so trimming would not be the way to go for a racer. The cable kickdown which is touted to be the only way to go would have required more fabbing to make work than the slide plate old style kickdown rod arangement I made similar to the old Chrysler setup. The car drives great but it was a pain. I know many folks say the AOD is stout enough for your horsepower but I'd think a equally priced C4 would outlast it a bunch and screw right in. I do understand about the high RPMs between towns though.
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steve'66
Gearhead Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 03-12-2001 10:03 PM
Doc,Thanks for the tip! She does have a daily driver now and doesn't have to rely on the stang for out of town trips. Other than the 10 mile trip to sears point, and we have a trailer for the other tracks. So I guess we can live w/o the od.  You've seen the car run Doc, do you think it'd do better with a c-4? What about t/c choices? Thanks for any tips, from any one. I am pink t-shirt inept! 
Will the auto slow the car down? I think the mph may drop, but the et will drop too. Any thoughts? SteveW
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Doc
Gearhead Posts: 466
From: Redwood City, Ca. USA
Registered: Jan 2001
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posted 03-12-2001 11:28 PM
I would vote for a trans brake so the car could leave relaxed. One of the things that slows an automatic car down is the brakes bleeding fluid back out of the wheel cylinders/calipers while the car is trying to move. I'm just guessing but I'd get an off the shelf 3200 or so converter and set the launch RPM around 2600 so it flashes the converter a little and put on a set of Cal Track type bars on it. You must realize if you listen to me much I'll change your whole car . If Mel has a driver lets get a good Victor style single plane intake on it and that cam is too mild the hood needs a hole in it...LOL.
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 03-12-2001 11:47 PM
Steve, maybe you should call me on this one. I have a little bit of experiance in this area and I can probably help you out. Marks project fastback went 12.50's at Bakersfield last weekend with a C-4 trans and converter that I helped set up. Oh yeah, and that's only a 289. I would NOT recommend a brake for her either. With the torque available in your 351, that thing will leave like a bullit off idle just using the converter flash. The method is also the MOST consistant way to leave with an automatic. Tony won many many bracket races in the early 90's racing his Capri that way with an AOD, 10 inch converter and drivng it to the track. ------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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steve'66
Gearhead Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 03-12-2001 11:48 PM
Is a t-brake legal for street/hs class? If it is then how 'bout a delay box? When does it become an "electronic" car? (NHRA&Goodguys) Thanks again and keep the sugestions coming, especially on where to get the most trans/conv for the buck! SteveW
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 03-12-2001 11:50 PM
See above and pass on the delay boxes or electronics. They are only a crutch for inept drivers and tuners. I'll probably get flamed for that statement, but it's true. Good drivers don't need crutches. ------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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