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Author
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Topic: How many miles to break in a new engine???
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99gt-UJSTLST
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Member # 584
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posted
 
 
every one has diffrent opinions some say just run it for a few miles change oil, otheres will say run it for a few minutes,
my self I beleave in letting everything seat, take it easy on it for atleast 1000 miles
I could be wrong
but really is it goin to kill you to take it easy for 1000 miles change the oil and their you go. Off race you go
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SOUTH BAY STANGS
MINOR BOLT ON'S
www.southbaystangs.com
Posts: 2558 | From: SAN JOSE CA | Registered: Nov 2001
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Wildfire532FB
CAFords OG
Member # 1482
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posted
just be nice to it for the first 1,000 miles.
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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93LX342
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Member # 1793
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posted
well when i put the 342 in the last car i started the car and let it run for like 10 mins revin it a lil.then i changed oil checked for leaks pulled out the shop and 1 mile later 6600rpm 1-4 th gear.next night raced chowdogs lightly modded z06(12.2 @117)beat it from a roll and from a stop by 3+ cars.put 5500 miles on the motor then sold it to my friend and it has run problem free since last summer.
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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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91 5.0
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Member # 1527
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posted
quote:
Originally posted by 91 5.0:
quote:
Originally posted by 1 FLy5O:
a blown 460, in a f350 383 stroker in a 89 iroc and a 305 bored to 327 in a 76 nova
305 bored to a 327? I know absolutely nothing about this so correct me if im wrong, but you gained 22 cubic inches from boring the cylinders?????? Sounds strange to me, I would think that a 327 has a longer stroke than a 305???? Anyone know???????
I know someone around here knows this. Help me out. ![[patriot]](graemlins/patriot.gif)
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02 GT - Zinc Yellow
91 5.0 LX - Red
Posts: 1316 | From: Fairfield | Registered: Jul 2002
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Elapid
GOROBGO
Member # 50
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posted
mellow for the first 1k miles is a good idea, especailly if you have a lot invested in your motor...
take into account the type of motor/setup also, flat-tappet cams, OHC, roller cam...ductile iron rings or cromoly rings...500 bux or 10k bux...
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98 Cobra
83 Notch rolling chassis - fs
Posts: 1797 | From: Grass Valley, CA USA | Registered: Jul 2000
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S4OSHUS
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Member # 2918
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posted
i agree, don't baby it just drive it hard. i know people that has babied their motors and ones that dogged it and seems like the ones that babied theirs don't run as hard as the dogged ones.
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2001 audi s4 avant stage 3. 460 whp e85
2001 audi S4 stage 3 sold!
91 lx 347 sold!
90 lx notchback sold!
99 cobra sold!
Posts: 695 | From: FRISCO | Registered: Jun 2003
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