Foxy Green Foxbody Build

89 Fox 427 said:
Update for anyone here that cares.

Car weighs 3220lbs with me in it

7.64 @100.33

So much for that 650hp I was wanting
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ET isn't even close to MPH
What was your 60' time? Guarantee that is where your problem is. Still not bad for first time out . No offense but it sounds like the driver needs work. That car should run around 6.90's when you get it sorted out.
 
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89 Fox 427 said:
I've looked at the numbers. A 26" tire is definitely an option
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When I first started racing I used 26x10 slicks, that happens to be the same size tire as Pro Stock Motorcycle. You will NOT like the look of that tire on your car, but it's just for racing..........
 
Mike Beck said:
When I first started racing I used 26x10 slicks, that happens to be the same size tire as Pro Stock Motorcycle. You will NOT like the look of that tire on your car, but it's just for racing..........
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That's what size I run with 4.10's and a 4 speed. M&H slicks and MT street R (awesome street tire) . Fill the wheel well on a factory foxbody, lol.
 
If you want good ET's it's going to be a lot easier to get there with an auto swap. But you probably know that already. And it'll cost a lot to convert, unless you find a cheap powerglide and rebuild it yourself. Then you still need a good torque converter, shifter, driveshaft, trans blanket or shield, cooler... etc.
 
I just read through this thread and saw that it was 58 degrees out. Here in the south they would cancel a test and tune at that temp. Might not need to change much to get it to hook in good weather.
 
jeremy69 said:
Well, you need tires anyway, so it would be a free gear change.
I think you said you trapped at 5600rpm. I'm sure somebody here knows the formula to see how much rpm you will gain.
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No formula needed.
Blocklayer.com/rpm-gear

You can put in whatever info you want. Shift rpm, gears, trans, rear end, everything. Even compare one value to another.

@Fastfox750 if this car only runs a 6.90 I'll sell the piece of shit.
 
89 Fox 427 said:
No formula needed.
Blocklayer.com/rpm-gear

You can put in whatever info you want. Shift rpm, gears, trans, rear end, everything. Even compare one value to another.

@Fastfox750 if this car only runs a 6.90 I'll sell the piece of shit.
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That's not how this stuff works.
You took the first step with the Vic Jr, next comes better heads.
 
Steve439 said:
That's not how this stuff works.
You took the first step with the Vic Jr, next comes better heads.
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that%27s%20not%20how%20any%20of%20this%20works.jpg
 
Steve439 said:
That's not how this stuff works.
You took the first step with the Vic Jr, next comes better heads.
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I don't know why?

I had a salesman tell me you could make 630 hp on afr 185s and a dual plane on a 408

Along with "it's only 1.52hp per cubic inch" (in reference to my goal if 650hp)
 
89 Fox 427 said:
I don't know why?

I had a salesman tell me you could make 630 hp on afr 185s and a dual plane on a 408

Along with "it's only 1.52hp per cubic inch" (in reference to my goal if 650hp)
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How do you know you’re not ?
 
Low & slow said:
How do you know you’re not ?
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I don't KNOW.

but I can tell you i haven't seen evidence online of similar combos making 650hp. The guys on YB didn't think I'd be anywhere near it either.

Let's blame compression, fuel, and the fact that dynos are dynos are dynos.
 
89 Fox 427 said:
I don't KNOW.

but I can tell you i haven't seen evidence online of similar combos making 650hp. The guys on YB didn't think I'd be anywhere near it either.

Let's blame compression, fuel, and the fact that dynos are dynos are dynos.
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Roll with the process as you said , before jumping to conclusions on horsepower .

Did you make 1 clean pass the other day at the track out of the 7 you made ?
 
89 Fox 427 said:
I don't know why?

I had a salesman tell me you could make 630 hp on afr 185s and a dual plane on a 408

Along with "it's only 1.52hp per cubic inch" (in reference to my goal if 650hp)
Click to expand...
Did he tell you it would need 14 to 1 compression as well?
 
89 Fox 427 said:
@Fastfox750 if this car only runs a 6.90 I'll sell the piece of shit.
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6.90's in a street car with no power adders is a pretty impressive starting point. Hell, my car only runs 7.teens on motor. The fun has just begun for you so just open your wallet and enjoy the process. Your problem is all in the first 60 foot. The fact that it was so cold out caused most of your issues. Think about it, the tires were probably hard as a rock and the track was colder than a witches tit in a brass bra. Warmer temperatures equals better traction
If you were down south you could test more but the best thing for you is to put it up till after the winter.
 
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