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#1 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,720
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Ahhhh the saga of my 388 build continues
So the machine shop killed my original block. Well actually the metalergy was so bad when they bored it the block just kinda fell apart. So a fair warning to everyone, WATCH OUT FOR MEXICO BLOCKS!!! That said the machine shop said it was the second time they had ever seen that happen. You should have seen the cylinder walls......
Anyways I scored last night. A complete high tin/high nickle shortblock, stock bore, 4 bolt mains for $125!!! YES!!!! Too bad it has to go .060" to fit all my stuff ![]() ![]() ![]()
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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#2 |
Registered User
Join Date: Oct 2002
Location: Phoenix, Arizona
Posts: 4,703
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How many miles do you think were on that Mexico block?
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* AVOID: LOPER'S PERMORANCE / LOPERSPEED.COM OF PHOENIX, AZ & COTTMAN TRANSMISSION * |
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#3 |
Registered User
Join Date: Mar 2003
Location: PA
Posts: 349
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TOM
I haven’t been following the saga but if you can take the .060 over stuff back and trade it for .030 stuff I would to keep from going that far on the block and save some if you have to at a later date.
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#4 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,720
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Eddie, no idea, it was .040" over and that had 30,000miles on it.
Chevy67tk- I had bought .030" over pistons and rings because when I tore down the motor there were no overbore markings on the pistons. Turns out motor was already .040, so I exchanged the pistons and sold the rings at a loss to fund the new rings. Im not doing it over again and losing more money I dont have to spend ![]()
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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#5 |
Project92 SWB stepside
Join Date: Feb 2003
Location: Louisville KY
Posts: 4,793
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.60 is a big risk in my opinion.
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92 C1500 stepside 496 Stroker Competiton Engineering Ladder bars/QA1 coilovers. Dana 60 rear with 4.10 gear and posi. Bonspeed Palisade 20x12 in rear w/335/30/20 and 20x8.5 front w/245/40/20. 5/8 drop with Belltech springs/DJM spindles/drop shocks. WWS Progress thread http://67-72chevytrucks.com/vboard/s...d.php?t=140448 |
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#6 |
Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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STFU!
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#7 |
Registered User
Join Date: Jan 2002
Location: Houston, TX
Posts: 2,144
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i think .06 is fine. my 400 is .04 and there is MUCH less room between the bores than a 350. my last 350 was .06 also and no problems. as long as check your block before they start on it
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'51 F100, backhalf with a narrowed 9 and coil overs, 18.5" mickeys, monte front clip, +400" sbc in the works '05 1500 Crew Cab RIP '84 swb 5/7 drop, solid cammed 408 w/ fully ported dart heads, th350 w/ 10 inch hughes, 12 bolt w/ 3.73 richmonds and a locker '80 swb 4x4 in progress: 7" lift, 350 th350/np205, d44 and 1.5" ORD tie rod, 14BFF w/discs , armored diff covers, 40" MTR's |
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#8 |
Senior Member
Join Date: Mar 2003
Posts: 2,500
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Watch out for Mexico blocks................HA
That is VERY well known and it is also why I laugh at anyone with Vortec heads........they are made down there too. |
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#9 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,720
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Im not worried about going .060" on a 350 block, especailly a 1970 350 block. I just hate killing a standerd bore engine
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__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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#10 |
Project92 SWB stepside
Join Date: Feb 2003
Location: Louisville KY
Posts: 4,793
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STFU IS WHAT??
__________________
92 C1500 stepside 496 Stroker Competiton Engineering Ladder bars/QA1 coilovers. Dana 60 rear with 4.10 gear and posi. Bonspeed Palisade 20x12 in rear w/335/30/20 and 20x8.5 front w/245/40/20. 5/8 drop with Belltech springs/DJM spindles/drop shocks. WWS Progress thread http://67-72chevytrucks.com/vboard/s...d.php?t=140448 |
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#11 |
Live from Atlanta
Join Date: May 2003
Location: Atlanta, GA
Posts: 511
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STFU = Shut The F#&K Up
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Paul |
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#12 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,720
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lol eric just knows what its like to have a new engine getting built, hes just trying to protect my enthusiasm
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__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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#13 |
Registered User
Join Date: Feb 2004
Location: Fort Leonard Wood Mo
Posts: 299
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don't bore the block if you don't have to esp.a 400, gets to thin on the siemisied part of the cylnder wall, just bore the block the minimuim possiable to clean it up, the less the better, you won't loose that much to sell your pistions, esp. if you dont use the 5.56 rods, those suck, angles are bad, causing lots of side thrust(bad), go for at least 5.7in of 6in rods. Don't get in a hurry and rush things, should checked the block had ready to go before buying pistions ect. Some of us have to learn the hard way. At any rate my dad just build a 377(400 destroked to 3.5scat crank actulally a 380) and the block he had was bad, but found anouther one. He's got 6in rods, roller cam, alum heads air gap mainford, hi cap. oil with windage tray and crank scraper, etc, ect.
So you live and learn, then spend more money.
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![]() ![]() 400sb-350 crank 400 destroker!!! 377 2.02 dart pro1 alum.heads msd, holley db hooker pro-comps-3in exh. 3 spd. saginaw-3.73posi Flat Bed...want Reg bed...trades? |
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#14 |
Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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My 350 is .060" over.... a little over 30k and it runs great. Would do it again no problem (block is out of a '73-'76 passenger car), but i would rather go .030" over if i had the option. JMO
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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#15 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,720
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Rotating assembly gets balanced tomorrow, and Ill have it back by 5pm
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__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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#16 | |
Account Suspended
Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,400
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Quote:
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#17 | |
Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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Quote:
i dont think so! ![]() |
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#18 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,720
|
Eric, they outflow your holley's :p
I love vortecs.....put em up to about 185cc ports in mods and you have as good or slightly better flow then fastburns witout huge 210cc ports, great for torque. They are releasing a 200cc intake port version of the iron vortec soon too....should be interesting.
__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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#19 |
\/ My Loves \/
Join Date: Mar 2003
Location: Midland,Texas
Posts: 462
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Great find u got there!!!
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78' Silverado - Blue - (In a Coma) 04' Silverado -Red- 383 Stroker in progress for the 78'!!! |
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#20 |
Account Suspended
Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,400
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man, Eric, you're right. that 1.0 is one bad piece of machinery. just dont turn on the AC, or you wont be able to pass anything.
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