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Author
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Topic: 347 vs 351
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1fastnotch
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Member # 13686
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posted
 
 
So I have a shell I will soon be looking to buy a motor for, wondering if 347 is the way to go or going 351w worth all the extra work?
Posts: 47 | From: modesto | Registered: Jul 2014
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CoyoteMaster
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Member # 13680
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posted
351w efi ![[burnout]](graemlins/burnout.gif) ![[dance]](graemlins/dance.gif)
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2013coyote_5.0
93mach1(sold)
32vfoxx(sold)
Coyoteswapnotch
Posts: 657 | From: Fremont | Registered: Jul 2014
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LXjames
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Member # 10791
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posted
What are your goals?
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On Point Motorsport prez.
King Lx
Posts: 4761 | From: Pittsburg CA | Registered: Mar 2011
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Sinister Mustang
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Member # 13889
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posted
quote:
Originally posted by 1fastnotch:
So I have a shell I will soon be looking to buy a motor for, wondering if 347 is the way to go or going 351w worth all the extra work?
Hey 1fastnotch,
You really can't go wrong with either setup. I plan to do a 408 stroker / TKO 600 / built 8.8 in my 67. its all personal preference. The 347 is still going to make decent power.
I hope this helps,
Thanks,
- Michael
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Message me for 1979-2015 Mustang Parts!
www.SinisterMustang.com
Posts: 255 | From: Roseville,CA | Registered: Dec 2014
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kingdavid
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Member # 11179
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posted
quote:
Originally posted by 1fastnotch:
So I have a shell I will soon be looking to buy a motor for, wondering if 347 is the way to go or going 351w worth all the extra work?
I would go the 351W route stronger block and more options I built a 408W because I wanted more power out of my 302 and was at the limits of my 302. But it all comes down to what your trying to build.
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1967 mustang 410W
2014 Oxford White 5.0
Posts: 305 | From: Sacramento | Registered: Aug 2011
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Duncan Motors
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Member # 7045
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posted
my 351 runs circles around any 302 based motor. and it wont blow up.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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NEIGHT
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Member # 8741
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posted
quote:
Originally posted by Duncan Motors:
my 351 runs circles around any 302 based motor. and it wont blow up.
Is that right?
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18548 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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92_5.0
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Member # 7624
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posted
quote:
Originally posted by Duncan Motors:
my 351 runs circles around any 302 based motor. and it wont blow up.
bold statement lol
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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Duncan Motors
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Member # 7045
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3 years plus strong bouncing off teh rev limiter with 500 rear hp. just saying. destroyed a couple hundred tires already easy. nay sayers having anything running? or have proved anything to question such a bold statement? I built and drove the 347 and 331, with dam near every head combo blown or not, from edelbrock to afr an trick flow, unless its some big bore stroked kit with over ten racks in just the long block you might come close or be better. even built Erics 9 second coupe stroked 351, that can prove a bit more. but for a budget running stock blocks, you can not beat it. unless you got something running and can prove its reliability, Im not into engine stand racing. so keep that talk in the garage where your car is on jack stands still.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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a302juGRnot
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Member # 10163
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posted
quote:
Originally posted by Duncan Motors:
3 years plus strong bouncing off teh rev limiter with 500 rear hp. just saying. destroyed a couple hundred tires already easy. nay sayers having anything running? or have proved anything to question such a bold statement? I built and drove the 347 and 331, with dam near every head combo blown or not, from edelbrock to afr an trick flow, unless its some big bore stroked kit with over ten racks in just the long block you might come close or be better. even built Erics 9 second coupe stroked 351, that can prove a bit more. but for a budget running stock blocks, you can not beat it. unless you got something running and can prove its reliability, Im not into engine stand racing. so keep that talk in the garage where your car is on jack stands still.
Dayum! I like it.
[ 2015-04-15, 02:49 PM: Message edited by: a302juGRnot ]
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H/C/I slammed and flushed NOTCHback
H/C/I 1995 mustang gt sold
Posts: 1646 | From: sacramento | Registered: Jul 2010
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SLOWBACK 67
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Member # 6348
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posted
Jon if your ever out at the track on a wednesday and I'm there, I want to go for a ride in that thing. ![[patriot]](graemlins/patriot.gif)
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Originally posted by turbo50:
I have no intenions of keeping anyones parts or taking anyones money.
Posts: 8582 | From: Vallejo | Registered: Dec 2005
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ed650
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Member # 9897
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posted
351 into 408 stroker is my vote. Can handle more than 450rwhp without cracking the block, you can make 450rwhp with a mild streetable cam and to make 450rwhp on a 347 ur gonna need a big aggressive cam not so streetable.
The only only difference is your going to spend an extra $600 on some 205cc heads for a 408 over some 185cc heads that you would use on a 347.. every other part in the engine cost the same. .stroker kit, balancer etc....
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410w Hatch
306Ci Coupe
Posts: 1744 | From: menlo park | Registered: Apr 2010
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ItzStock
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Member # 9665
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posted
I agree with Jon. I wouldn't waste my time or money on a 302 if I had the option to build a 351. It is not even a lot of extra work to swap to a 351.
I've done the 302 and 302 stroker combos and I wouldn't go back to a 302 base
[ 2015-04-15, 05:24 PM: Message edited by: ItzStock ]
Posts: 1394 | From: Vallejo, Ca | Registered: Dec 2009
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90GT510
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Member # 9199
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posted
Would a 351 or 408w work with a t5 or would it just destroy it?
[ 2015-04-15, 05:24 PM: Message edited by: 90GT510 ]
Posts: 1725 | From: East Bay/Dallas, TX | Registered: May 2009
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SLOWBACK 67
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Member # 6348
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posted
quote:
Originally posted by 90GT510:
Would a 351 or 408w work with a t5 or would it just destroy it?
It will go out on you alot faster with something makkng more low end torqe. TKO 600 and don't look back.
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Originally posted by turbo50:
I have no intenions of keeping anyones parts or taking anyones money.
Posts: 8582 | From: Vallejo | Registered: Dec 2005
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theconductor
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Member # 13458
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posted
I've been pondering this same question lately. Keep up the dialogue!
How about the cost of each?
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Woke Bruh
Posts: 353 | From: Roseville, CA | Registered: Feb 2014
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1fastnotch
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Member # 13686
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posted
My goal is to be fast haha but not looking to spend a fortune, maybe about 5k for engine and tranny
Posts: 47 | From: modesto | Registered: Jul 2014
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kingdavid
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Member # 11179
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posted
5k won't get you their.
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1967 mustang 410W
2014 Oxford White 5.0
Posts: 305 | From: Sacramento | Registered: Aug 2011
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carajo-1
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Member # 13991
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posted
quote:
Originally posted by 1fastnotch:
So I have a shell I will soon be looking to buy a motor for, wondering if 347 is the way to go ,i only have 5g's for "stroker"short block,heads,tranny,clutch,headers,intake and all the little shit that adds up..or going 351w worth all the extra work/money?
Fixed it for you.
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2006 magnum srt8
Posts: 40 | From: bay area | Registered: Mar 2015
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hurting your feelings
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Member # 13641
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posted
Norman an Lee have both gone in to nine with a stock 302 block. An Norman did over a decade ago.
An any ford mass production Windsor based block is a ticking time bomb.
Posts: 1830 | From: In front of the bank with a 45 an a ski mask | Registered: Jun 2014
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1fastnotch
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Member # 13686
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posted
I got 5k for engine and tranny, knowing is only about half of what is needed to spend smart guy
Posts: 47 | From: modesto | Registered: Jul 2014
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92_5.0
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Member # 7624
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posted
quote:
Originally posted by Duncan Motors:
3 years plus strong bouncing off teh rev limiter with 500 rear hp. just saying. destroyed a couple hundred tires already easy. nay sayers having anything running? or have proved anything to question such a bold statement? I built and drove the 347 and 331, with dam near every head combo blown or not, from edelbrock to afr an trick flow, unless its some big bore stroked kit with over ten racks in just the long block you might come close or be better. even built Erics 9 second coupe stroked 351, that can prove a bit more. but for a budget running stock blocks, you can not beat it. unless you got something running and can prove its reliability, Im not into engine stand racing. so keep that talk in the garage where your car is on jack stands still.
Nice, I wasn't trying to call your bluff, it just sounded like a bold statement is all. I too would like to see that thing at the track man. My next engine will probably be a 351 based n/a platform
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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KARATExxCHUCK
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Member # 12851
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posted
I want to build a 351. Haha
Charles
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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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66_5.0
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Member # 9974
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posted
I have a 347 going in my '66 ![[Big Grin]](biggrin.gif) . So I say 347
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1966 Mustang
Posts: 1967 | Registered: Apr 2010
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East Bay 50
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Member # 8081
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posted
quote:
Originally posted by Duncan Motors:
my 351 runs circles around any 302 based motor. and it wont blow up.
How so?
[ 2015-04-22, 08:32 AM: Message edited by: East Bay 50 ]
Posts: 2699 | Registered: Dec 2007
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