this is what i have , 331 or 347

N

NRM90GT

New Member

Nov 27, 2005

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Boston

Jan 3, 2008

#1

• Jan 3, 2008

• #1

im planning on building a stroker but cant decide to go with a 331 or 347. im on a budget and already have edlebrock 1.90 performer heads, 30 lb injectors, tfs street heat intake, and stage 1 cam. car is a weekend driver that will not see any track time. want to get max power while maintaining some driveability. will these heads work on a 347? will a custom cam be worth the money over a stage 2 cam? thanks for the help

P.S. i know scat eagle and dss are the big budget stroker kits available. any of them NOT recomended

 

5spd GT

"the 5.0 owns all"

Founding Member

Aug 7, 2002

9,516

6

99

Arkansas

Jan 3, 2008

#2

• Jan 3, 2008

• #2

www.coasthigh.com has some good quality, budget minded stroker kits.

The 331 and 347 kits coast the same. I would go for the 347...

But wait...

There are two rod/piston options for the common 347 right now.

1. 1.175" tall piston with a 5.315" rod.

2. 1.090" tall piston with a 5.400" rod.

Option number 1 gives you the same cubes, without the wrist pin intersecting the oil ring land. For your goals, why have even the risk of option 2?

Build it, and have fun with it.

 

N

NRM90GT

New Member

Nov 27, 2005

42

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Boston

Jan 3, 2008

#3

• Jan 3, 2008

• #3

will the heads support the 400+hp im expecting?

 

5spd GT

"the 5.0 owns all"

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Aug 7, 2002

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Arkansas

Jan 3, 2008

#4

• Jan 3, 2008

• #4

At the engine, yes, and even at the rear wheels if you have the right supporting parts around it.

The camshaft and intake will be huge.

www.flowtechinduction.com will set you up with a custom camshaft. I had a good experience with him, and only for $325. It would be well worth it for another $125 over the price of a mismatched Trickflow Stage 2 camshaft.

Better performance no doubt, better driveability, and better engine vacuum for your brakes.

Expect to pay for new springs, and likely lifters, and pushrods though.

 

89-347-LX

New Member

Nov 17, 2007

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Oklahoma

Jan 4, 2008

#5

• Jan 4, 2008

• #5

i recomend an anderson ford motorsport hi-rev cam
and the springs as well, you can be reving as hi as 7500 and your car still pullin you back in the seat
its the way to go

 

89-347-LX

New Member

Nov 17, 2007

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Oklahoma

Jan 4, 2008

#6

• Jan 4, 2008

• #6

plus 1 on the coast high stuff

 

Rick 91GT

Mustang Master

Nov 29, 1999

9,692

95

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PA

Jan 4, 2008

#7

• Jan 4, 2008

• #7

A custom cam would be the best bang for the buck when your looking for max power and drivabilty, I also use Ed for some of my stuff and have excellent results.

The AFM Hi-Rev series would not be a good choice because those heads and intake will never flow enough air in the high rpms to support the power, if they were fully ported then it may work.

If your building this your self, do some research, plan ahead and make good choices. IF your using a engine builder, then tell them your exact goals and budget and let them steer you in the correct direction.

If your going with a cast crank set-up I personally prefer the SCAT over the EAGLE. The cast crank will be fine for your intentions.....