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Author
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Topic: Are Mexican Blocks any better then anyother 302 block?
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stinger
Gearhead Posts: 272
From: mn
Registered: Feb 2003
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posted 02-19-2003 12:47 AM
   
I am thinking about stoking a 302 and I am just wondering what block would be the strongest. I would stroke it too 331
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 02-19-2003 12:53 AM
Yes they are.
Only a Boss 302 or R-302 block would be better.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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stinger
Gearhead Posts: 272
From: mn
Registered: Feb 2003
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posted 02-19-2003 12:58 AM
whats a good price for one in good condition?
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stinger
Gearhead Posts: 272
From: mn
Registered: Feb 2003
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posted 02-19-2003 01:14 AM
i know where there is a boss block cheap but it was cracked and repaired so I probally should stay away from it correct?
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fordfan
Gearhead Posts: 3131
From: Walla Walla, Wa, USA
Registered: Jun 99
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posted 02-19-2003 02:02 AM
what about a DART block?? 
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V8 Thumper
Gearhead Posts: 4652
From: Phoenix, Arizona
Registered: Dec 2001
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posted 02-19-2003 08:47 AM
Stroked out Mexican blocks are COOL 
Click on my sig below to see one  I got a rediculous deal on mine, but std. bore Mex blocks go for +/- $500. Brand new B50 blocks (almost identical to Mex blocks) are about $900. .030 Mex blocks can be had for substantially less  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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CometGT1974
Gearhead Posts: 413
From: Asheville, NC USA
Registered: Jan 2002
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posted 02-19-2003 08:59 AM
Ive heard mixed reviews on the "strength" of mexican blocks. I originally was told that they had more nickel in the block so the block was stronger. I later learned that nickel has nothing to do with how strong the block is but just makes the cylinder walls last longer(wear better). Then i've also heard that it's a myth that the mexican blocks are stronger. This is what I think, the nickel helps the block to last longer and since the Mexican blocks are older castings they have more meat cast into them in some of the important areas. Just my 2 cents.....
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SteveLaRiviere
Administrator Posts: 44935
From: Saco, Maine
Registered: May 99
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posted 02-19-2003 09:05 AM
Si!The main webs are beefier like the 289 HiPo and Boss 302 blocks. ------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150 Please remember our sponsors,
Mustangs Plus, NPD, Osborn Reproductions, MyFordPerformance.com, and FordRamAir.com
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V8 Thumper
Gearhead Posts: 4652
From: Phoenix, Arizona
Registered: Dec 2001
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posted 02-19-2003 09:06 AM
...and weighs 20# more than the garden variety 289/302, and that's in casting material ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 02-19-2003 12:21 PM
Mex blocks are going for around $300.
Boss blocks are worth $500 to $1200 in any condition.
Dart block is great if it fits into your budget.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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stinger
Gearhead Posts: 272
From: mn
Registered: Feb 2003
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posted 02-19-2003 12:24 PM
so I should buy that boss block for 200 even though its been damaged and then repaired. I think its bored.40 Is a mex. block bored .30 worth 300? or is that too much.
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n2oMike
Gearhead Posts: 2694
From: Spencer, WV
Registered: Jan 2001
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posted 02-19-2003 03:33 PM
I've purchased two Mexican blocks. One was $225, the other $100. Both were standard bore. The $225 one ended up being cracked. As far as strength is concerned, they might be a little stronger than an early 289-302 block due to their thicker main caps, but are not anywhere in the same league as an A4, R302 or Dart block. In between stock/Mexican blocks and the aftermarket are Boss 302 units. They've got nice, heavy, doweled 4-bolt mains, but still have fairly thin cylinder walls and moderate strength main webbing. (compared to the aftermarket) A Boss 302 filled with Hardblok would hold up pretty well to all but the hardest, nitroused abuse. But for that, I'd definitely go with the aftermarket... and their majorly beefy mains, main webbing, decks, cylinder walls, etc. Good Luck! ------------------
Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367
http://www.mustangworks.com/cgi-bin/moi-display.cgi?220 [This message has been edited by n2oMike (edited 02-19-2003).]
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Moneymaker
Administrator Posts: 26813
From: Lyons, IL, USA
Registered: May 99
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posted 02-19-2003 06:17 PM
The A-4 SVO race block is the best 8.2 block ever made. Unfortunatly it is out of production and out of the price range of most.  ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
lilgtgirl
Gearhead Posts: 113
From: usa
Registered: Jan 2002
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posted 02-19-2003 06:24 PM
try stangparts.com
i bought a 302 block from them for $150 a month ago. it came out of a 95 mustang and it's in great shape. good luck finding one
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Daniel Jones
Gearhead Posts: 873
From: St. Louis, MO
Registered: Aug 99
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posted 02-20-2003 01:19 PM
If rules and space allow, a 351W block is a good budget upgrade from a standard 302 blocks. Not as strong as a race block but strong enough for a lot of applications.A friend has a Mexican 302 short block he'd sell me cheap but for anything I'm likely to do, I'd likely start with a 351... Dan Jones
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