Boreing a stock 5.0 to a 347 stroker?? - Mustang Evolution

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Old 05-16-2013, 10:51 PM   #1
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Boreing a stock 5.0 to a 347 stroker??

I want to bore my 94 5.0 to a 347stroker sometime down the line and I need some advice. I was doing research and it seems the best way is to have a shop bore my block out to a 306 then acid wash it. Then I will get the 347 stroker forged crank, pistons, connecting h style rods, and forged push rods. And some trick flow twisted wedge heads for like 600 each if I'm not mistaken. As for upper intake I haven put to much thought in to that but I wanna stroker damit! What do you guys think this will cost me? My motor is stock besides bbk x pipe catless, flowmaster super 40's.
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Old 05-17-2013, 03:12 AM   #2
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It'd be more cost effective to just buy a 347 block from summit.
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Old 05-17-2013, 06:12 AM   #3
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You could always buy a 351 motor and stroke to a 408 a guy local to me has this setup and SUPPOSEDLY has around 600 hp
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Old 05-17-2013, 07:14 AM   #4
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600 from a 408 is easily possible. Depends if he's talking to the wheels or crank
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Old 05-17-2013, 07:20 AM   #5
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600 from a 408 is easily possible. Depends if he's talking to the wheels or crank
My dad has a 408 with all scat lightweight forged internals afr 185r heads rpm air gap intake and comp cam Harland sharp rocker arms and a lot more and it makes 500 hp at the flywheels with 10:5:1 cr
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Old 05-17-2013, 08:24 AM   #6
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DO NOT BUY A BUDGET 347 FROM SUMMIT! ITS TRASH PURE TRASH!
Never skimp on your rotating assembly, it will only lead to disapointment.

Dont forget to consider what size piston rings are better for what future power adder you may use. This may determine if you go 342 or 347.

Continue planning, plan as much as you can even plan past the stroker kit and you will be successful in reaching your goal and reach future goals you dont even have yet. As a good plan in the begining will save you alot of money down the road.

As far as intake goes on a budget I would reuse your stock upper intake and find a F-150 302 lower manifold to help the TFS/TW heads. Then if later down the road you port your heads you can switch to a Holley Systemax II.
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Old 05-17-2013, 02:54 PM   #7
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If you are going to buy a shortblock get one from FordStrokers.com 331-347-408-418-427 Custom Built Small Block Ford Engines and there you go. For a 347 the block is .030 over, notched for clearance and then you install a stroker kit. However just be aware that the stock 5.0 block is a glass jaw block and the stock rotating assembly is NOT the weak point in these motors, the block is. I would go with a 351 based stroker if I were you. If all you have is exhaust then you don't have any 302 "specific" parts bought and a 351 stroker will be only marginally more than the 302 based build and the return on the 351 stroker is a bazillion times more than a 302 based build. The 351 will be good for around 700whp while the 302 can fly apart starting in the 475-500hp range.
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Old 05-17-2013, 03:47 PM   #8
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Sounds about right. Coarse a new Boss351W block is very sexy.
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Old 05-19-2013, 10:15 PM   #9
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DO NOT BUY A BUDGET 347 FROM SUMMIT! ITS TRASH PURE TRASH!
Never skimp on your rotating assembly, it will only lead to disapointment.

Dont forget to consider what size piston rings are better for what future power adder you may use. This may determine if you go 342 or 347.

Continue planning, plan as much as you can even plan past the stroker kit and you will be successful in reaching your goal and reach future goals you dont even have yet. As a good plan in the begining will save you alot of money down the road.

As far as intake goes on a budget I would reuse your stock upper intake and find a F-150 302 lower manifold to help the TFS/TW heads. Then if later down the road you port your heads you can switch to a Holley Systemax II.
What brand would you recommend for a 347 block and rotating assembly, kits that are full forged witch I'm lookin at are around 1800, is that fair price, also are twisted wedge heads good or should I go with broadax heads? I wanna be able to force induct down the line and be able to handle boost without pissin oil and shrapnel lol
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Old 05-19-2013, 10:18 PM   #10
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You really don't want a 347 as a DD.. 331 are much more reliable.
Do some serious reading up.
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Old 05-20-2013, 06:37 PM   #11
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What brand would you recommend for a 347 block and rotating assembly, kits that are full forged witch I'm lookin at are around 1800, is that fair price, also are twisted wedge heads good or should I go with broadax heads? I wanna be able to force induct down the line and be able to handle boost without pissin oil and shrapnel lol
I already linked you who to buy one from. FordStrokers.com 331-347-408-418-427 Custom Built Small Block Ford Engines

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You really don't want a 347 as a DD.. 331 are much more reliable.
Do some serious reading up.
I was under the impression that was old info and no longer current. Plenty of 347 street cars these days. The issues they had have all been worked out. With that said the 331 will have less sidewall loading than the 347.
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Old 05-21-2013, 03:44 AM   #12
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I already linked you who to buy one from. FordStrokers.com 331-347-408-418-427 Custom Built Small Block Ford Engines

I was under the impression that was old info and no longer current. Plenty of 347 street cars these days. The issues they had have all been worked out. With that said the 331 will have less sidewall loading than the 347.
It's not just the side wall, it's angle of the connecting rods as well.
Have not looked into building one in quite some time, could be sorted out by now.
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