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» Northern California Ford Owners     » Automotive   » Tech Talk   » 331 m&r shortblock any good

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Author Topic: 331 m&r shortblock any good
marvinstanggts
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i was thinking of buying this 331 shortblock off ebay for 1,500 can any one tell me if this block is any good are no any where i can get a 331 for that price or cheaper the blco is from m&r
Posts: 53 | From: san jose | Registered: Jul 2007  |  :
marvinstanggts
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here is the shortblock http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=006&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=160148110303&rd=1
Posts: 53 | From: san jose | Registered: Jul 2007  |  :
turbo50
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Do you have a link?

$1500 seems suspiciously cheap for a quality 331 shortblock.

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.........when was the last time YOU built something with YOUR own hands?

I offer quality sidework at reasonable prices. PM ME

Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
asskickn88
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On paper it looks decent but you never know. Its also balanced to 28oz so you'll have to get a new balancer and flywheel if your going to run it in anything newer than an 81 car.

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Three 540 Bimmers and a 5.0 Explorer.... got a Ford back in the stable!

It's time for the country to do what Obama's own father did.
Abandon him.

Posts: 6069 | From: Rocklin, Ca | Registered: Oct 2004  |  :
street_illegal_stang
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if you going with M&R please keep us posted if the engine runs healty. I've ask them some months ago if they offer any other pistons,and they told me they have probe blower pistons for $1650. nice [burnout] but who knows if these guys
have good assemblers or crapy machining/cut corners ya know?

Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002  |  :
88DroptopGT
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I always go by the saying "You get what you pay for"
Posts: 3978 | From: 707 | Registered: Mar 2003  |  :
turbo50
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not bad...balanced, forged slugs etc etc.

What is the core cost and shipping on that? They can kill your "deal" there.

--------------------
.........when was the last time YOU built something with YOUR own hands?

I offer quality sidework at reasonable prices. PM ME

Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
jmcclesk
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shipping to sacramento terminal is 150.00

[ August 21, 2007, 02:17 AM: Message edited by: jmcclesk ]

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Posts: 4024 | From: marrysville | Registered: May 2002  |  :
marvinstanggts
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its all goin to cost me about 1700 with shipping
Posts: 53 | From: san jose | Registered: Jul 2007  |  :
hidnn.o.s.
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quote:
Originally posted by 88DroptopGT:
I always go by the saying "You get what you pay for"

VERY VERY TRUE [patriot]

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R.I.P. Willie G. You are missed on this forum

Posts: 15950 | Registered: Apr 2002  |  :
turbo50
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quote:
Originally posted by marvinshields:
its all goin to cost me about 1700 with shipping

Is that with a 50 oz balance?

--------------------
.........when was the last time YOU built something with YOUR own hands?

I offer quality sidework at reasonable prices. PM ME

Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
marvinstanggts
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they only have 28 balance
Posts: 53 | From: san jose | Registered: Jul 2007  |  :
turbo50
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So then only a two piece rear main seal on them??

Is it a roller block?


You will need a 28 oz balancer and flywheel, remember.

--------------------
.........when was the last time YOU built something with YOUR own hands?

I offer quality sidework at reasonable prices. PM ME

Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
marvinstanggts
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yea i dont no nothing about them so i dont no you still got that motor for sale
Posts: 53 | From: san jose | Registered: Jul 2007  |  :
turbo50
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I dont have any motors for sale, sorry.

There are a few people (JohnB, etc) on there that can and will build you a quality shortblock.

I don't do side work for anyone on here, anymore.

Sorry.

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.........when was the last time YOU built something with YOUR own hands?

I offer quality sidework at reasonable prices. PM ME

Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
92stangLX
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I don't know anything about this motor but I wouldn't do it. Get someone local to build u one.
Posts: 5302 | From: San Francisco | Registered: Sep 2003  |  :
93PONY
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Retail on the Crankshaft is $217
Retail on the rods: $225
Retail on similar pistons: Under $300
Rings & bearings: $175 or less

That's $917 retail & I know of kits with 2618 forged pistons that retail for $899. Any way you slice it you're looking at around $900 RETAIL for the rotating assembly.
Figure any good machine shop will have much better pricing (at least 20% less) & you're looking at cost of around $700. Add a block & machine work & yes it's very possible that a machine shop can do all the operations listed, balance, & assemble the shortblock & still make a decent profit while keeping the machining/assembly quality high.....even if the parts themselves are 'economy'.

From my experience a cast-steel stroker crankshaft & 'SIR' style rods will hold more power than the stock block can handle. The pistons would not be my choice considering the dirt-cheap pricing of Probe's 2618 forgings, but hey...I'm sure they'll still much stronger than the stock 302 slugs which have been known to handle well over 500hp.

Honestly, it's a damn good price. I know I wouldn't buy one....but I'm an engine builder & if I'm gonna do it, I'm gonna spend a little more $$$ & do it right. However, I see no reason why this motor can not handle 450+HP if the machining/assembly was done correctly. In the end the rotating assembly can handle more Power than the block.

Personally I'd go for a 347. Same price as a 331 & you can't go wrong with more cubes IMO.

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Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000  |  :
turbo50
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quote:
Originally posted by 93PONY:
Retail on the Crankshaft is $217
Retail on the rods: $225
Retail on similar pistons: Under $300
Rings & bearings: $175 or less

That's $917 retail & I know of kits with 2618 forged pistons that retail for $899. Any way you slice it you're looking at around $900 RETAIL for the rotating assembly.
Figure any good machine shop will have much better pricing (at least 20% less) & you're looking at cost of around $700. Add a block & machine work & yes it's very possible that a machine shop can do all the operations listed, balance, & assemble the shortblock & still make a decent profit while keeping the machining/assembly quality high.....even if the parts themselves are 'economy'.

From my experience a cast-steel stroker crankshaft & 'SIR' style rods will hold more power than the stock block can handle. The pistons would not be my choice considering the dirt-cheap pricing of Probe's 2618 forgings, but hey...I'm sure they'll still much stronger than the stock 302 slugs which have been known to handle well over 500hp.

Honestly, it's a damn good price. I know I wouldn't buy one....but I'm an engine builder & if I'm gonna do it, I'm gonna spend a little more $$$ & do it right. However, I see no reason why this motor can not handle 450+HP if the machining/assembly was done correctly. In the end the rotating assembly can handle more Power than the block.

Personally I'd go for a 347. Same price as a 331 & you can't go wrong with more cubes IMO.

Well said.

--------------------
.........when was the last time YOU built something with YOUR own hands?

I offer quality sidework at reasonable prices. PM ME

Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
lowriderryda
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try this guy i just got a motor from the were very helpful

http://cgi.ebay.com/ebaymotors/302-Ford-Engine-with-TrickFlow-Heads-Free-SH-ARP-Head-B_W0QQitemZ270155348239QQihZ017QQcategoryZ33615QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Posts: 282 | From: alameda | Registered: Jan 2007  |  :


 
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