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Author
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Topic: how long will a 347 last
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89 FAKE SNAKE
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Member # 4531
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posted
 
 
how long do u think a 347 would last me..its goin to be a daily drive and weekend racer...wha u tihnk i should go with? any company? DSS?? CHP???
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90 COUPE
01 R1 (stock)
04 XR-50(stroked)
06 TT-R50E
SRA & PWA member
Posts: 3075 | From: san jose | Registered: May 2004
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BlackDrop50
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Member # 1715
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posted
I think you might wanna go with a 331 for a daily driver but otherwise if you want a 347 go with CHP's kit it fixes the "problems" associated with SOME 347s.
Posts: 1379 | From: 510 East Bay | Registered: Aug 2002
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89 FAKE SNAKE
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Member # 4531
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posted
ya tha i think is wha im goin to do..get a 331 shortblock from there..
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90 COUPE
01 R1 (stock)
04 XR-50(stroked)
06 TT-R50E
SRA & PWA member
Posts: 3075 | From: san jose | Registered: May 2004
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PONY86
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Member # 5198
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posted
that depends on how well you take care of the car and your driving style.
Posts: 15 | From: CA | Registered: Jan 2005
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Jeff S
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Member # 371
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posted
93lx342's 347 lasted 60k+ miles until he cracked the block from too much power.
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'90 Mustang LX: 8.53 @ 157.92 w/ 1.33 60' on DR's
'10 ZR1: FOR SALE
'14 E63 S: RENNtech ECU
'04 Gallardo: UGR TTG
Posts: 2121 | From: San Jose, CA | Registered: Aug 2001
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89 FAKE SNAKE
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Member # 4531
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posted
ok thank you guys...now im lookin for a 331...
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90 COUPE
01 R1 (stock)
04 XR-50(stroked)
06 TT-R50E
SRA & PWA member
Posts: 3075 | From: san jose | Registered: May 2004
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Gnari-Garage
CAFords OG
Member # 3164
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posted
I like 331 better just in case shit happens then you could still use the block and strock it out??????
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2017 McLaren 570GT
2019 Audi S5
2017 Tundra 7" Lift, 37" Tires
Posts: 4017 | From: 916-sacramento | Registered: Aug 2003
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66 AC COBRA
Nitrous King
Member # 904
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posted
quote:
Originally posted by NavidR:
I like 331 better just in case shit happens then you could still use the block and strock it out??????
wtf ![[Confused]](confused.gif)
a 331 is a stroker with a .30 over bore just like a 347 stroker uses a .30 over bore
the block is the same regardless, one just has a shorter stroke and a longer rod
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FFR AC Cobra
72 Vega - WCHRA Extreme 10.5
Posts: 6280 | From: Winters | Registered: Feb 2002
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Fostang
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Member # 3752
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posted
quote:
Originally posted by 66 AC COBRA:
quote:
Originally posted by NavidR:
I like 331 better just in case shit happens then you could still use the block and strock it out??????
wtf
a 331 is a stroker with a .30 over bore just like a 347 stroker uses a .30 over bore
the block is the same regardless, one just has a shorter stroke and a longer rod
![[Smile]](smile.gif)
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67' Fastback TT 408
67' Camaro Lsx
64' Corvette Fuelie
57' Chevy Bel Air Lsx
68’ Pony Convertible
66’ Pony Coupe
Posts: 3012 | From: Stockton/Danville | Registered: Nov 2003
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JohnB
Tech Moderator
Member # 969
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posted
ANY engine combo will last, as long as these apply...
1. Quality parts are used.
2. Realistic expectations of the end product.
3. The buildup suits the intended application.
And lastly,
Built by someone who knows what they are doing.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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89 FAKE SNAKE
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Member # 4531
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posted
wanna build it for me john?.. ![[Big Grin]](biggrin.gif)
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90 COUPE
01 R1 (stock)
04 XR-50(stroked)
06 TT-R50E
SRA & PWA member
Posts: 3075 | From: san jose | Registered: May 2004
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JohnB
Tech Moderator
Member # 969
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posted
In all reality, what do you want out of the car? Something that is reliable, runs great, passes smog, etc....a true racecar...or something in between?
Next, do you want a local shop to do the machining, so that checks could be done on it along the way....or do you wanna make one phone call and have it here by the weekend?
Last, do have ALOT, some..or none to spend on the buildup? What are your existing parts that can be put forth on the new combo...or do you wanna start with a clean sheet of paper?
And yes, I build engines.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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CDT
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Member # 5004
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posted
quote:
Originally posted by JohnB:
ANY engine combo will last, as long as these apply...
1. Quality parts are used.
2. Realistic expectations of the end product.
3. The buildup suits the intended application.
And lastly,
Built by someone who knows what they are doing.
I agree, it can easily last as long or longer than a stock engine..
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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93LX342
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Member # 1793
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posted
i had a car that came from 5.0 mag it was owned by the editor.i think his name was miles.it got the crap beat out of it.they tested hella parts with it.it was the first smog legal 347 in the state of california. i actually have the car now but has a 351 now.it has almost 50k when i got it and i ran it till it had 60 k on it and split the block cause i got to happy and started beatin the crap out of it with out a tune.
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06 f250 superduty with some mods.
95 f250
www.unlimitedracing.com
Posts: 1036 | From: san jose | Registered: Sep 2002
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jaybquick
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Member # 4286
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posted
My 347 passes smog no problems and shows no signs of wear after 10k daily driven miles. I beat the piss out of it daily too. Dave's engine in Newark did my shortblock blueprinting. He is awesome.
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91 Mustang GT ET: 11.92@115
66 Mustang ET: 11.43@119
01 Audi S4 ET: 10.8@131
05 Audi S4 ET: 11.9@116
08 Audi S5 ET: 11.9@118
Posts: 416 | From: Lathrop | Registered: Mar 2004
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jaybquick
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Member # 4286
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posted
Anyone else.
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91 Mustang GT ET: 11.92@115
66 Mustang ET: 11.43@119
01 Audi S4 ET: 10.8@131
05 Audi S4 ET: 11.9@116
08 Audi S5 ET: 11.9@118
Posts: 416 | From: Lathrop | Registered: Mar 2004
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