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Old 01-16-2014, 08:16 AM   #1
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Turbo 351w Fox

Hey guys, I've got a turbo here that I took off my 08 gt, and im going to put on a 351w (with a 351 piping kit of course). I want to keep it carbed so I have to go blow through carb. Does anyone have experience with this? How would I go about tuning the car for boost? I plan on doing the build in stages in this order:

- swap 351 to fox
- bore block and put 408 forged stroker assembly
- better heads, intake and blow through carb
- put turbo on
- Put in custom grind cam
- move everything to dart 408 block
- get bigger CFM blow through carb
- More boost

While doing these step I plan to also upgrade the rear end and tranny as I go (start with the basic T-5 and then after turbo switch to built trans brake C-4.

Do you guys have anything thoughts, experience or suggestions? Thanks.
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Old 01-16-2014, 02:09 PM   #2
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What exactly are your goals because a well built NA 408 stroker will run on 93 octane and make 600 to the wheels no problem. That's what I'd do if it were me and not even bother with the turbo or the DART. A 351 roller block will take 700whp no problem. And don't even bother putting a T-5 behind it, I'd get a built 4r70w with a manual valve body or a Quick1 standalone controller.

A 600whp automatic fox properly setup is a 9 second car no problem.
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Old 01-16-2014, 02:54 PM   #3
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Originally Posted by scottydsntknow View Post
What exactly are your goals because a well built NA 408 stroker will run on 93 octane and make 600 to the wheels no problem. That's what I'd do if it were me and not even bother with the turbo or the DART. A 351 roller block will take 700whp no problem. And don't even bother putting a T-5 behind it, I'd get a built 4r70w with a manual valve body or a Quick1 standalone controller.

A 600whp automatic fox properly setup is a 9 second car no problem.
Im looking for 800 at the tire for an end goal after everything is said and done. And I want the turbo set up because I just love the sound and feel of it and I got one laying around so why not try something different! Hoe much would I be looking at for a 4r70w? And its an auto? What can you help me with here Scotty?
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Old 01-16-2014, 03:06 PM   #4
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Originally Posted by scottydsntknow View Post
What exactly are your goals because a well built NA 408 stroker will run on 93 octane and make 600 to the wheels no problem. That's what I'd do if it were me and not even bother with the turbo or the DART. A 351 roller block will take 700whp no problem. And don't even bother putting a T-5 behind it, I'd get a built 4r70w with a manual valve body or a Quick1 standalone controller.

A 600whp automatic fox properly setup is a 9 second car no problem.
And the t-5 would be already in the fox from the 302 when I do the swap to the 351. I plan on changing it as soon as I put the stroker in.
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Old 01-16-2014, 03:22 PM   #5
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4r70w is the updated name to the AODE. Its what is in the 96-04 stangs. The modular bolt pattern is different but the good news is the v6 shares the same pattern with the pushrod. They are fully electronic controlled overdrive transmissions with lockup and good for up to 1,000ft lbs or therabouts. The fox computer cannot control the 4R but the good news is there are controllers or just manually shift it.

You can also just do a built AOD which is what the fox comes with if you don't need lockup. Or just do the C4 thing like you said if you don't need overdrive either. OD is just nice for cruising to the track and back if you don't have a trailer.
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Old 01-16-2014, 04:01 PM   #6
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Quote:
Originally Posted by scottydsntknow View Post
What exactly are your goals because a well built NA 408 stroker will run on 93 octane and make 600 to the wheels no problem. That's what I'd do if it were me and not even bother with the turbo or the DART. A 351 roller block will take 700whp no problem. And don't even bother putting a T-5 behind it, I'd get a built 4r70w with a manual valve body or a Quick1 standalone controller.

A 600whp automatic fox properly setup is a 9 second car no problem.
And the t-5 would be already in the fox from the 302 when I do the swap to the 351. I plan on changing it as soon as I put the stroker in.
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Old 01-16-2014, 04:04 PM   #7
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Quote:
Originally Posted by scottydsntknow View Post
4r70w is the updated name to the AODE. Its what is in the 96-04 stangs. The modular bolt pattern is different but the good news is the v6 shares the same pattern with the pushrod. They are fully electronic controlled overdrive transmissions with lockup and good for up to 1,000ft lbs or therabouts. The fox computer cannot control the 4R but the good news is there are controllers or just manually shift it.

You can also just do a built AOD which is what the fox comes with if you don't need lockup. Or just do the C4 thing like you said if you don't need overdrive either. OD is just nice for cruising to the track and back if you don't have a trailer.
I looked at 4r70w and love it! Got any recommendations for a 4r70w with a manual valve and a trans brake? Also, what can you tell me about turboing a carbed engine? Thanks.
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Old 01-16-2014, 07:51 PM   #8
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You're going to have to go elsewhere for carb related questions.

As for the 4R...

www.silverfoxtrans.com

Click Click Racing - Click Click Racing
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Old 01-18-2014, 01:00 PM   #9
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Does anyone have any info on turboing carbed engines?
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Old 01-18-2014, 01:18 PM   #10
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What sort of information are you looking for?
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Old 01-18-2014, 01:21 PM   #11
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If anyone here has done it, how you tune for a turboed carbed engine, if there is anything specific that you need, etc
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Old 01-18-2014, 02:04 PM   #12
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It can be tricky setting up a carbureted turbo system to run on the street.
Particularly, if you're new to tuning carburetors.
The problem is that they need to run so rich up top (especially, at the power level that you'd like to achieve) that it's difficult to get that out at lower rpm's. Not impossible, just difficult.
Fuel injection is SO much easier to tune through the entire rpm range.

So what is your planned use for this car?
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Old 01-18-2014, 02:33 PM   #13
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Originally Posted by straybullitt View Post
It can be tricky setting up a carbureted turbo system to run on the street.
Particularly, if you're new to tuning carburetors.
The problem is that they need to run so rich up top (especially, at the power level that you'd like to achieve) that it's difficult to get that out at lower rpm's. Not impossible, just difficult.
Fuel injection is SO much easier to tune through the entire rpm range.

So what is your planned use for this car?
My grandfather will building it with me and he has worked on alot of older push rod engines and has alot of experience with carbs so I hope that helps. I just don't want to do fuel injection because I dont want the car to run off of sensors and electronics and make it complicated because we have no idea when it comes to that stuff because if we did, we would just do it to my turboed 08 gt. Also, to tune it, I'd rather not take it to a dyno shop and pay $800 just for it to blow up because of their shotty tuning (happened to my 08 when I took it to steeda). Also, I just love carbs and the idea of doing something different.
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Old 01-18-2014, 02:34 PM   #14
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Also, my plans are to have a car I can take to the strip on weekends and also be able to drive it there.
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Old 01-18-2014, 02:53 PM   #15
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This sounds like a fun project!
I'm sure that your grandfather will be a big help.
There's lots of good info out there on this. Hell, there was once a time when all we had was carburetors. There are several books on cabureted turbo systems that you should be able to find with the Google.
I hope that you'll keep us posted on the progress as you go along!
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Old 01-18-2014, 04:20 PM   #16
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Thank you for the kind words! I plan on keeping this thread updated as I go! I probably wont be starting until the spring or summer because I have to find a good base to start at for the windsor!
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