Discuss 1994 svt 347 stroker build on AllFordMustangs.com, the place for Mustang enthusiasts.
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buy a complete engine if you can...otherwise it's mostly about the heads cam and intake...AFR or Trick Flow heads, an Edelbrock Victor Jr intake and comp cam will have it rockin...long tube headers, suspension and fuel system upgrades will be needed, finally you need a great tune to pull it all together...
You might consider looking for a built car and selling what you have since the cash burn on builds is sobering
I was thinking about gettinga built short block but wondering if the gt40 heads would be good enough or just go with the trick flow....
not even close with GT40s...Trick Flow or AFR are all you want, you gotta think big with a stroker motor, I have ported Trick Flows on my 427, they outflow the AFR "outlaw" head, so that tells you something
You not only need bigger heads with the 347, you want a good intake (better than your Cobra) and more cam than you think you need.
Since you are asking these questions, you might ought to consult a good shop that's done this 100 times already. They can steer you in a better direction. It'd be a shame for you to fork out all the money it will take to do a good 347 and then have it make like 350 HP.
'15 GT Premium 400A on order Oxford White, Redline Premier leather, AT, navigation, reverse sensing, 18" Foundry wheels
it all depends on what you want the car for street use, track or a little of both or maybe something totally different but once you decide that figure out your budget i just finished my 331 and i went with AFR 185's with spring upgrades and i love em! everyone will give you a different answer though at the end of the day AFR and trick flow both make killer heads !.. for me i went with an edelbrock performer upper and lower its a great intake and the best suited for street use the power band for street beats out all other intakes if its for the track you would probably want something you can wind out a little more.. but IMO for street the edelbrock performer is perfect ive even seen people keep the cobra intake for the same reason.. and then for a cam id suggest a custom grind they are totally affordable and you will be getting something customized according to what you want.. im not sure what size fuel pump comes in the cobras stock but you will need to think about fuel pump upgrades and injectors.. also most strokers are balanced to 28oz not the stock 50 which also means you will probably end up swapping out your pressure plate as well ( i ran into bolt location issues) anyway if you are really looking into getting a stroker check out fordstrokers.com woody knows everything and his prices are awesome! and beyond that their customer service is absolutely the best!
94' GT N/A 331 C.I. All forged internals, CAI, AFR 185's(w/spring and valve upgrade), comp cams ultra gold 1.7 RR's, custom ground cam, 34# injectors,BBK 70mm tb, BBK longtubes w/ matching H-pipe, 5 spd short throw,stage 3 clutch, FRPP flywheel, 7qt oil pan, fluidyne radiator, prothane motor mounts and tons more! everything assembled/built by me except the shortblock!!