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06-11-2010, 05:55 PM
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#1 |
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Badass
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
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388
350 bored to a 355 stroked to a 388
ok my friend has one he justbuilt for a project car. funds ran threw and hes selling everything. anyways he has the motor i just want the short block. its all forged and never ran. whats a good offer? hes asking 800 for the short block
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Think outside the box? -84c10 (1stcar)→My Build←  -00 Saturn 5spd drop a gear and disappear! 1/4:13:90 
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06-11-2010, 08:57 PM
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#2 |
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Registered User
Join Date: May 2002
Location: NJ
Posts: 910
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Re: 388
Need more info new block seasoned block? cast or forged parts?
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83 C10 Stepside (SOLD, it was a blast!) 383 MASS-FLO EFI/TKO II 600/3.90 Posi 10 bolt S475 and C4 DM running, fine tuning turbo=  Douchebag Racing: Runs Fine all the Time |
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06-11-2010, 09:32 PM
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#3 |
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Badass
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
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Re: 388
ok he didnt know if it was a stroker crank or not but its a 350 eagle crank new rods forged pistons (.60 ove pistons) all balanced rotation
so its a 360 now guys
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Think outside the box? -84c10 (1stcar)→My Build← -00 Saturn 5spd drop a gear and disappear! 1/4:13:90
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06-11-2010, 09:41 PM
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#4 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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Re: 388
I would stay away from a .060 in a stock sbc. 388 is a .060 over 350 with a 3.75 stroke (400) crank. Generally a .060 sbc will end up having problems.
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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06-11-2010, 11:17 PM
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#6 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: 388
I believe what he means is a production 350 block. Boring one to .060 can be risky.
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06-11-2010, 11:51 PM
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#7 |
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Registered User
Join Date: Mar 2002
Location: Forney TX
Posts: 4,512
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Re: 388
I have a .060 block 361 sbc and besides running alittle on the warmer side 200 I've not had any problems with it and I've beat on it pretty hard. Street motor no boost or anything like that but If I was to bore one that big it would need sonic checked for wall thickness.
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Troy 1965 Chevy Bagged,361 sbc,voodoo cam,1.5 full roller rockers,patriot 185cc vortec heads 2.02-1.60,vortec weiand polished intake,demon carb my truckhttp://67-72chevytrucks.com/vboard/s...d.php?t=332884 Big Red Dog build http://67-72chevytrucks.com/vboard/s...d.php?t=572274 |
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06-12-2010, 12:38 AM
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#8 |
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Registered User
Join Date: Oct 2005
Location: Orygun
Posts: 169
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Re: 388
I've done two 388's. As long as you sonic check the wall thickness you're good to go.
If you're kinda worried short fill w/ hardblock. i'd say yea to $800, as long as it was assembled good. If it blows up well some of it should be usable in next one. cuz it's the heads that are the $$ part. run a windage tray.
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http://www.cardomain.com/id/Schralper |
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06-12-2010, 09:05 AM
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#9 |
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Registered User
Join Date: May 2002
Location: NJ
Posts: 910
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Re: 388
A .060 over block, if done by a decent machine shop, should be fine. It just may not be good to rebuild if something goes wrong because of the large bore. For $800 with a new rotating assembly and a clean block is a decent deal. As others have said as long as it was done by a decent shop and assembled correctly then you should have a good short block that can last along time.
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83 C10 Stepside (SOLD, it was a blast!) 383 MASS-FLO EFI/TKO II 600/3.90 Posi 10 bolt S475 and C4 DM running, fine tuning turbo= Douchebag Racing: Runs Fine all the Time |
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06-12-2010, 05:44 PM
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#10 |
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Badass
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
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Re: 388
update :
it has a eagle crank,rods and forged .060 pistons are all bran new. 100dome pistons..new mother thumper cam(idk the lift yet)double roller timing chain. and all the machine work and balanced already.melling high valume oil pump.
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Think outside the box? -84c10 (1stcar)→My Build← -00 Saturn 5spd drop a gear and disappear! 1/4:13:90
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06-12-2010, 07:24 PM
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#11 | |
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Registered Truck Offender
Join Date: May 2008
Location: hells training ground (aka Ariz)
Posts: 3,118
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Re: 388
Quote:
Just reading through this thread.... this sounds to me like you should consider how much the friendship is worth. If HE built it and didn't know if it was a 3.75" stroker crank or not... woah,, scary!!! Kile Wild83 said, 'IF' it was built by a reputable shop,, would be a hell of a deal. But if I'm reading right it's a pile of parts you friend has pieced together in his back yard and is not totally sure of what he has???? VERY concerning!
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Still playin with trucks, even at my age! When you're dead, it's only a problem for the people around you, because you don't know you're dead. .....It's kinda the same when your STUPID. I just did my taxes and reviewed my SS statement. Thanks to the current administration it looks like I will only have to work till noon on the day of my funeral. |
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06-12-2010, 09:16 PM
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#12 | |
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Badass
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
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Re: 388
Quote:
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Think outside the box? -84c10 (1stcar)→My Build← -00 Saturn 5spd drop a gear and disappear! 1/4:13:90
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06-12-2010, 09:53 PM
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#13 |
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Account Suspended
Join Date: Oct 2009
Location: Sammamish, WA
Posts: 2,404
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Re: 388
I have to say...it sounds to me like a bunch of stuff just assembled with no design or planning. IMHO, I'd pass.
As for the .060, if the block wasn't sonic tested and you don't have the data right in front of you on the invoice...pass. |
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06-16-2010, 11:48 PM
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#14 | |
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Registered User
Join Date: Jun 2006
Location: Indiana
Posts: 4,859
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Re: 388
Quote:
An Eagle kit would have matched parts and balanced parts. Perhaps the balancing could be improved, but a kit will be at a good starting point. I would need to see documentation stating that the parts are forged. 100cc domed pistons? Are you building a dragster? -18cc pistons will work MUCH better for street use. Muther Thumper? Please! All noise, no power, no economy. Any given "normal" cam can out perform a Thumper. A 388 will NEVER have a 350 crank. I would pass. There is nothing special here. Headache waiting to happen.
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