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Author
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Topic: Thinking about building a 347. HELP...
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KARATExxCHUCK
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Member # 12851
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posted
 
 
I am thinking about building a 347 motor for my 92 mustang. My mustang has a stock 302 motor.
My concerns are:
*Can i use my current wire harness?
*Can i use my current fuel rails, injectors, maf, etc...?
*Can run GT40 heads, GT40 explorer upper and lower intakes, E303 cam?
--What else can i run with this motor?
*Can i use My current exhuast system, which is JBA shorty headers and Bassani off-road xpipe? Then, when smog time comes can i use my stock H-pipe?
*And last, but not least could i use my current tranny. (Stock T5)
Thanks in Advance,
Charles ![[patriot]](graemlins/patriot.gif)
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**Sometimes you must kill the snake to walk the path!!
**Message me for Powder Coating and Sand blasting!!!:)
Posts: 1286 | Registered: Apr 2013
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Chinitzzz
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Member # 10751
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posted
You can use the same harness
As for fuel supply all that would need to be upgraded depending on your setup also upgrade to some sn95 rails they flow better gas than fox ones
Get a better hci combo if you lookin for bigger numbers get some better flowing heads and intake
A t5 will work but won't last long
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1987 coupe -under construction
Posts: 645 | From: stockton | Registered: Mar 2011
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Tom Renzo
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Member # 13165
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posted
The answer to all your questions is YES. But i would UP grade the fuel [pump to a walbro 255. I made 321 WHP with my 347 NA with stock fuel rails. You will also need a tune and 24 LB injectors. Good luck that is a nice combination. I have a stock T5 for 5 years now with no issues. Not the strongest Tranny on the block but it will last if you do not do to many HOLE SHOTS. Good luck Click on this video. This is a real good 347 i built!!
[ 2013-09-24, 04:58 AM: Message edited by: Tom Renzo ]
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I spend money i don't have. Building cars i don't need. To impress people i don't know.
Posts: 557 | From: CT | Registered: Sep 2013
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KARATExxCHUCK
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Member # 12851
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posted
@Tom That engine sounds NASTY. Good Job on the build! I just wish there was someone around me who did good work for a reasonable price. I want to build a 347, but when in comes to engine builds I do not know much.
If I were to build the 347 and when smog time comes along would it not pass smog because its not the stock motor?
Charles
Posts: 1286 | Registered: Apr 2013
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1fastmach1
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Member # 10137
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posted
quote:
Originally posted by KARATExxCHUCK:
@Tom That engine sounds NASTY. Good Job on the build! I just wish there was someone around me who did good work for a reasonable price. I want to build a 347, but when in comes to engine builds I do not know much.
If I were to build the 347 and when smog time comes along would it not pass smog because its not the stock motor?
Charles
depends on heads and cam when I went to wyotech a teacher had a 331 with trick flow stage 1 and gt40 x heads pased smog but had to but base timing at 8 and had bbk shortys with stock h pipe
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REDLINE MOTORSPORTS CC EST 2011
1993 CHP sold
2004 mach 1 408 Windsor n20 fed
R.I.P. JORGE GUTIERREZ JR
6/13/1982- 11/05/2013
Posts: 2592 | From: clawwwitter to 7th st | Registered: Jul 2010
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SIC9250
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Member # 8216
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posted
Lol....
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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1fastmach1
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Member # 10137
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posted
quote:
Originally posted by SIC9250:
Lol....
laugh all you want teacher still has the car and yeah the ppm was almost over but it still passed
[ 2013-09-27, 12:39 PM: Message edited by: 79 cobra ]
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REDLINE MOTORSPORTS CC EST 2011
1993 CHP sold
2004 mach 1 408 Windsor n20 fed
R.I.P. JORGE GUTIERREZ JR
6/13/1982- 11/05/2013
Posts: 2592 | From: clawwwitter to 7th st | Registered: Jul 2010
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SIC9250
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Member # 8216
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posted
Not laughing at any build,nor do I disagree with anything in this thread..just chuckling to myself that's all...
[ 2013-09-24, 09:33 AM: Message edited by: SIC9250 ]
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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Don
CAFords OG
Member # 938
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posted
My 319 with a HCI custom AED cam setup passed smog with flying colors. My old 347 HCI with X303 also passed with flting colors. Not hard at all.
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06 sti 2.5
95 GT 5.2
Posts: 962 | From: Manteca, CA | Registered: Feb 2002
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Duncan Motors
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Member # 7045
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posted
stick to a stock 302, and start learning with some bolt ons. your jumping way ahead of your self.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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Tom Renzo
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Member # 13165
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Building a 347 is a piece of CAKE. DO IT!!! KARATE is 100% correct. Nothing tried nothing gained. Good luck.
[ 2013-09-24, 05:45 PM: Message edited by: Tom Renzo ]
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I spend money i don't have. Building cars i don't need. To impress people i don't know.
Posts: 557 | From: CT | Registered: Sep 2013
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KARATExxCHUCK
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Member # 12851
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posted
quote:
Originally posted by Tom Renzo:
Building a 347 is a piece of CAKE. DO IT!!! KARATE is 100% correct. Nothing tried nothing gained. Good luck.
Thanks!! ![[Smile]](smile.gif) It sounds pretty straight forward just have to take it one step at a time!! And sure with each step I dont step on a land mine. lol
Charles
Posts: 1286 | Registered: Apr 2013
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racsirx
CAFords OG
Member # 1710
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posted
What's your budget and what are your goals? The stock eliminator guys have done some crazy power with GT40 combos, if you already have the gt40 heads and intake you wouldn't benefit much with a 347 short block, if you plan on building a 347 then I would upgrade to bigger heads, cam and intake. For example a 95 Cobra R comes with a 351 and the gt40 combo and it only makes 300hp with the stock 2.25" exhaust, if it had bigger heads, cam and exhaust it would probably make 350-375hp. A good combo with GT40 stuff would be a 306 or 308 with a little compression. My old 306 with GT40p heads, Cobra Intake, Lentech AOD and 4:30s went 12.2s.
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88 Saleen #564
88 GT 331 NOVI2000
88 Coupe TURBO 9.75@142
95 Cobra R #75-SOLD
06 F250
13 BMW AH3
17 GT350 #5556
GOD'S NOT DEAD
Posts: 20750 | From: Concord & Pittsburg, CA | Registered: Aug 2002
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Duncan Motors
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Member # 7045
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what lee said i guess is the better approach of what i meant. learning isnt throwing any combo together.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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SLOWSN95
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Member # 8269
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posted
There's always ways to make power without having to go to the extreme. We have a member on here that made over 350/350 on a stock shortblock (9:1), good flowong heads, a good intake and a custom cam. Its all about what kind of setup you put together and which parts work well with each other.
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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