what can expect out of a 347 rwhp?

streetyme · Apr 13, 2010

What could I expect out of a healthy 347 with around 10.5 cr , AFR 185's or Fast as Cast 190's , custom cam , long tubes.... changing over to mass air... This would be going through a AOD.. Could I hit 390-410 at the wheels or is that a pipe dream? I am on the fence to either build a motor for the fox, or to sc my s197..

Kdubslugga · Apr 13, 2010

Its wont be going through an AOD very long. 347 = Torque Beast

streetyme · Apr 13, 2010

Would a 331 be a better fit?

95Vert383AOD · Apr 13, 2010

Build the AOD with a manual valve body and good clutch packs/shift kit and the Trans will be fine. I have an AOD behind a 383 stroker in my car. Oh and get a stacked plate trans. cooler. A REALLY BIG ONE

Chris

Kdubslugga · Apr 13, 2010

i debated the 331 vs 347 for a long time. I know awhile back 347 were prone to burn oil due to the longer stroke and thinner cylinder walls, i dunno if thats still the case or not. You cant go wrong either way. I chose a 331 simply because its a street car, not a race car. And your Aod will be ok if its built like 95verts, but he has some money in that tranny.

Tanus · Apr 13, 2010

375rwhp is a little more relalistic, unlesss you plan to spin the crap out of it. but good enough for deep 11s

95Vert383AOD · Apr 13, 2010

Yeah as far as stock goes....lol ive Burned up a few AOD's with just simple bolt on's on a 302. You can get your Trans to handle a 347 inside of $700 if you pull it yourself and have someone who knows what theyre doing build it. $700 compared to a properly built 347 would be the cheap stuff.

streetyme · Apr 13, 2010

thanks for the all the commets.. my buddy is trying to talk me into plyaing with the fox and leaving the 06 alone.. he had a 91 notch that had a 347 forged lower end ,custom cam with a vortech s trim pullied for around 13-14lbs with meth inj and through a aod was running 10.50's at over 120 at Gateway International I believe he was making around 500 to the tire.. he was running some done up Canfields though... Am I just chasing my tail trying to make a conv a play toy?

SpartaPerformance · Apr 13, 2010

I would go with a 331 for street, and either way a stock AOD will go boom real fast.

v8only · Apr 14, 2010

with a 5 speed, a tune, a 331 stroker, rpm 2 intake, and afr 185 heads, my friend makes 338 to the wheels

90lxcoupe · Apr 14, 2010

the 331 for a street car thing makes no sense, more cubes=more power. Go with a 347 and dont look back, any built motor is gonna tear the AOD a new one

Dino Dino Bambino · Apr 14, 2010

streetyme said:
What could I expect out of a healthy 347 with around 10.5 cr , AFR 185's or Fast as Cast 190's , custom cam , long tubes.... changing over to mass air... This would be going through a AOD.. Could I hit 390-410 at the wheels or is that a pipe dream?

If you had a manual tranny 380-390rwhp would be possible but with an AOD, I reckon 330-340rwhp is more likely.
Build the AOD up as Chris suggested and it'll handle the power easily.

v8only · Apr 14, 2010

90lxcoupe said:
the 331 for a street car thing makes no sense, more cubes=more power. Go with a 347 and dont look back, any built motor is gonna tear the AOD a new one

so 16 more cubes is gonna make all the difference in the world, lol.

if you need cubes, then go with a 408 stroker

375-380 is tough, even with a manual trans. My friend, as mentioned pulls shy of 340 on a tune

streetyme · Apr 14, 2010

The other option I am considering is going with the new 306 ford crate motor and then find a used paxton or vortech and you are very right about building up the AOD to handle the extra stress... How does the AOD like 4.10's with a 26 inch tire?

89stang1 · Apr 14, 2010

put a stroker in your Fox u wont look back i got a 333ci Stroker my car makes around your target HP NA..... LOADS of FUN!!!!!!if ur gonna stay NA with a 331 or 347 almost no difference between them go for a little xtra compression with a good custom grind cam it will get u what u want

clement · Apr 15, 2010

so much bad information in this thread i dont know where to begin....

v8only · Apr 15, 2010

clement said:
so much bad information in this thread i dont know where to begin....

LOL, you're ABSOLUTELY right, Starting with YOUR thread!!!! Stick to Talk my friend, you do not belong here.

Tanus · Apr 15, 2010

v8only said:
LOL, you're ABSOLUTELY right, Starting with YOUR thread!!!! Stick to Talk my friend, you do not belong here.

hahhaha owned!

JR4 Motorsports · Apr 15, 2010

clement said:
so much bad information in this thread i dont know where to begin....

Since your are calling it, how about pointing some of it out?

clement · Apr 15, 2010

v8only said:
LOL, you're ABSOLUTELY right, Starting with YOUR thread!!!! Stick to Talk my friend, you do not belong here.

you are right about that. the 347 i built only made 425rwhp, runs 10s at 124 on motor and is still running after 8 years. i wish i was smart enough to write an article on clutch adjustment. but im stupid compared you guys.

what can expect out of a 347 rwhp?

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