Author Topic: FAST - Factory Appearing Stock Tire Class - What to build?  (Read 11979 times)

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TomP

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #30 on: August 13, 2021, 03:04:11 PM »
65, 66 or 67 Custom sedan 427 would be good. I'm not sure you can get it anywhere near as light as a Fairlane though.  I think Joel's GTX and Steve's 67 Fairlane had several hundred pounds removed very cleverly (Joel showed me the aluminum brake and clutch pedals!)

FASTLane

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #31 on: August 13, 2021, 03:44:58 PM »
Cubic inch RULES that class. 620 Boss or SCJ if you want to be in the front

frnkeore

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #32 on: August 13, 2021, 04:20:43 PM »
Are there any T-Bolts running in FAST?

Seems like a 500+ FE with high flowing HR heads, would do very well.
Frank

427John

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #33 on: August 13, 2021, 06:41:59 PM »
Are there any T-Bolts running in FAST?

Seems like a 500+ FE with high flowing HR heads, would do very well.
I guess it depends on whether you can fit a 4.75" or 5.00" stroke crank into an FE block if so then you might be able to generate the broad flat power curves the 620 inch engines can,I think its a matter of being able to use the limited traction of the tires wherever you can get it on the track,and not having to wait for your combination to get into its power band.

frnkeore

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #34 on: August 13, 2021, 06:54:32 PM »
You might be able to do a 4.88 stroke, with a 1.88 crank pin. I would think 4.70 for sure.
« Last Edit: August 13, 2021, 06:58:30 PM by frnkeore »
Frank

C8OZ

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #35 on: August 13, 2021, 07:37:36 PM »
No factory lightweights allowed, so it doesn't seem like there'd be a spot anywhere for a HR.

hbstang

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #36 on: August 15, 2021, 11:26:55 AM »
i watched a video on the orange zl1 69 camaro/black corvette, and they shave the tires down to zero tread and run them like a slick.really?i would think the tech would want some tread for safety reason,the tire must be pretty thin at that point.it really does look like a slick to.and they are running 9s on those.
as for cars,my vote would be 67 fairlane med riser dual quad,or for fun,1969 boss 429 mustang.i think you could get it pretty light and in the low 10s pretty easy at 620 cubes.also had f60 15 from the factory.down side on that is the 735 carb.but hey,super stock 68 cj mustang went 9.56 in legal trim with a 735 factory type carb!actually,a 68 coupe with a max size fe and max ported cj heads may do pretty good if there is no weight minimum.
not a cheap form of racing thats for sure!
« Last Edit: August 15, 2021, 11:32:15 AM by hbstang »

JERICOGTX

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #37 on: August 17, 2021, 08:09:22 AM »
The killer to most combo's is the carb choice. You can build the biggest engine you want, but the cork is still going to be carb CFM. The Combo Dave Dudek is running now in the Cuda, makes nearly 1000hp, through ex manifolds, stock type carbs, and original head castings. It's a VERY tough combo to compete against.

machoneman

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #38 on: August 17, 2021, 08:34:59 AM »
The killer to most combo's is the carb choice. You can build the biggest engine you want, but the cork is still going to be carb CFM. The Combo Dave Dudek is running now in the Cuda, makes nearly 1000hp, through ex manifolds, stock type carbs, and original head castings. It's a VERY tough combo to compete against.

What carbs then? Tri-power for big cfm's?
Bob Maag

427LX

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #39 on: August 17, 2021, 08:44:57 AM »
 Carbs have to LOOK stock. You can open up the venturi and use larger throttle bores.  Some engines have better factory intake manifolds to start with and you can only port them so much and same for exhaust manifolds. Regarding the factory light weights such as the T-bolt and 68 Hemi Darts and Cudas....the factory pull smallest cheapest tires on them since it was only for transport purposes. Would be hard to hook up in 2nd gear!

Now why can't the 65-67 427 Cobras run in FAST? There were a total of 206 427 Cobras built.  There were only 216 L-88 Corvettes built from1967-69.  Only 2 1969 Z-L1 Corvettes were built.
« Last Edit: August 17, 2021, 08:54:29 AM by 427LX »

Hemi Joel

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #40 on: August 17, 2021, 01:27:29 PM »

Now why can't the 65-67 427 Cobras run in FAST? There were a total of 206 427 Cobras built.  There were only 216 L-88 Corvettes built from1967-69.  Only 2 1969 Z-L1 Corvettes were built.

The Cobras are not considered a muscle car by class rules. There was a lot more than 2 69 L88's built. 214 between 68-69. '67 was the year of only 2

SSdynosaur

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #41 on: August 17, 2021, 02:06:36 PM »
  Regarding the factory light weights such as the T-bolt and 68 Hemi Darts and Cudas....the factory pull smallest cheapest tires on them since it was only for transport purposes.

Can't speak for the Darts and Cudas but, supposedly, all T-bolts left DST equipped with Firestone Lightning 7" cheater slicks mounted in the rear (drive) positions. Examples of those would be very difficult to find in modern times.

The Real McCoy

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #42 on: August 17, 2021, 02:44:31 PM »
Corvette L88 breakdown is as follows....,

1967 is 20.
1968 is 80.
1969 is 116.

Total L88 production for 1967 to 1969 is 216.

1969 ZL1 production is 2, this is the aluminum block "L88".
63 1/2 Galaxie 500
428 CJ Stroker with 427 2x4 Intake, 427 Long Exhaust Manifolds, Quick Fuel Carbs and TKO 600.

"What gets us into trouble is not what we don't know, it’s what we know for sure that just ain’t so."                            Mark Twain

Hemi Joel

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #43 on: August 17, 2021, 03:35:20 PM »
Corvette L88 breakdown is as follows....,

1967 is 20.
1968 is 80.
1969 is 116.

Total L88 production for 1967 to 1969 is 216.

1969 ZL1 production is 2, this is the aluminum block "L88".

How are we supposed to mess up the internet with flawed information with you here? ;D

427John

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Re: FAST - Factory Appearing Stock Tire Class - What to build?
« Reply #44 on: August 18, 2021, 04:06:01 AM »

Now why can't the 65-67 427 Cobras run in FAST? There were a total of 206 427 Cobras built.  There were only 216 L-88 Corvettes built from1967-69.  Only 2 1969 Z-L1 Corvettes were built.

The Cobras are not considered a muscle car by class rules. There was a lot more than 2 69 L88's built. 214 between 68-69. '67 was the year of only 2
I don't understand why the Cobras are barred from the series,if it's not considered a musclecar why is the Corvette?They raced in the same classes in drag racing and road racing.The top end Corvettes were no more affordable than a top end Cobra.If the Corvette were excluded then I could see the reasoning,but singling out the Cobra makes it appear as if they are just ruling out a car that they know has the potential to dominate the series.kind of reminds you of Nascar in the Big Bill France days.