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  • Fox 5.0 Mustang Tech

331 stroker what exactly is it

  • Thread starter Thread starter feifong
  • Start date Start date Apr 13, 2006

feifong

New Member
Apr 4, 2005
319
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mesa
Apr 13, 2006
#1
  • Apr 13, 2006
  • #1
Wondering what and how i can make a 331 stroker what needs to be done to the motor exactly yes im a real noob. The mechanic says theres too much wear on the walls And i might need a new crank this was done 2 yrs ago = new pistons, rings,crank, gay internals. Never redid the heads but he says theres too much oil seepage through the rings i dont believe it but I might as well make a 331 stroker with my new h/c/i So what needs to be done to the block. It will be converted to roller btw. Where do i buy a complete rotaing assembly kit for cheap? What do you reccomend to go with my 165 61cc afr's trickflow stage 1 cam, airgap intake. Should i just buy new rings or go the whole way? thanks for the help

View attachment 477128
 

TrickStang37

New Member
Oct 17, 2004
292
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0
Apr 13, 2006
#2
  • Apr 13, 2006
  • #2
wow that looks like a mess! well, to make it a 331 your gonna have to pull that motor out. then buy a kit. and finally hand it over to professional. if there is too much wear on the walls, it will need to be bored over .03-.04 unless its so worn it needs to go past that, then it would be recommended to get another block. As for making it a 331, most stroker kits you would need a new crank/pistons/rods among other small parts, not completely sure for 331, havent researched it in depth. You can find really cheap kits on ebay or in ads in the magazines, not sure of the quality.

looks like your looking to build a real mild setup.
 

squeeeg

Founding Member
Jul 4, 2000
1,905
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0
Michigan
Apr 13, 2006
#3
  • Apr 13, 2006
  • #3
to put it simply. All it is is a 5.0 with a larger piston and a longer stroke of that piston. It involves a fair amount of machine work and usually it is a good idea to have a professional bolt it all together.
 

feifong

New Member
Apr 4, 2005
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mesa
Apr 14, 2006
#4
  • Apr 14, 2006
  • #4
Im thinking on buying this kit my engine is out i want it done quick is this a good buy w/ my combo?

http://cgi.ebay.com/ebaymotors/BUDG...51414QQrdZ1QQsspagenameZWD1V#ebayphotohosting
 
J

jerryD

Founding Member
Mar 16, 2000
1,061
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37
Gladstone, MO
Apr 14, 2006
#5
  • Apr 14, 2006
  • #5
always remember that you get what you pay for. you don't want to have to tear it apart and do it again. yes some people do have good luck with the cheaper kits, but is it worth it to take that chance? spend the few extra bucks now for the better parts that will hold up to abuse.

for the block work, if you get i beam rods then it will not need much in clearancing for the bottom of the cylinder wall. h beam will need more. other than that, the machine shop cost shouldn't cost all that much for the basic stuff.

i would reccomend getting in touch with brian at www.adperformance.com or a guy on this board that runs RnH performance i think.
 
X

xherdlr

New Member
May 19, 2003
159
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0
Hendersonville,Nc
Apr 14, 2006
#6
  • Apr 14, 2006
  • #6
Looks like a decent kit..The lower cost is because of the Keith Black hypereutectic pistions. If you dont plan on staying naturally aspirated. Not using a supercharger or nitrous this kit should be fine.. There are a couple of ways to make a 331 but the most common is 3.25 crank, .030 overbore of the cylinder, and I cant remember the rod length. Dont forget to get the rotating assembly balanced. With the 331 I dont think you will have to notch the bottom of the cylinder.

Kelly
 

feifong

New Member
Apr 4, 2005
319
0
0
mesa
Apr 14, 2006
#7
  • Apr 14, 2006
  • #7
what about this kit is this much better? will i have any problems with this one?
http://cgi.ebay.com/ebaymotors/Ford...33620QQitemZ8055386337QQrdZ1QQsspagenameZWDVW
 

feifong

New Member
Apr 4, 2005
319
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mesa
Apr 14, 2006
#8
  • Apr 14, 2006
  • #8
Ok i looked at some kits what about this one ?? For real this time i want a Go on it So i can buy it. Something that will last

http://www.adperformance.com/index.php?main_page=product_info&cPath=71_161_164&products_id=351
 

poneypower89

Now everyone in the world will know I wanna bang t
Dec 6, 2004
0
3
28
Indianapolis, Indiana
Apr 14, 2006
#9
  • Apr 14, 2006
  • #9
feifong said:
Ok i looked at some kits what about this one ?? For real this time i want a Go on it So i can buy it. Something that will last

http://www.adperformance.com/index.php?main_page=product_info&cPath=71_161_164&products_id=351
Click to expand...

there ya go buddy Eagle cranks and probe pistons are pretty decent. Much better than the KB Hypers you were looking at earlier.

Wow, that engine looks pretty sickly man. Get to work!
 
X

xherdlr

New Member
May 19, 2003
159
0
0
Hendersonville,Nc
Apr 14, 2006
#10
  • Apr 14, 2006
  • #10
Thats a good kit...Only thing I see is the 10.5 to 1 compression ratio... Not good for super charger.. Depending on what heads you have, that kit with the high compression, would cause you to use high octane fuel...But should run very strong....I would consider a custom cam if budget allows that would take full advantage of cubes... Do a search for custom cams, flowtech industries, I cant remember the guys name at flowtech. He can hook you up with cam and AFR heads...

Kelly
 
J

jerryD

Founding Member
Mar 16, 2000
1,061
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37
Gladstone, MO
Apr 14, 2006
#11
  • Apr 14, 2006
  • #11
i would be more inclined to get the kit from brian at AD. he will work with you on choosing parts and what not for your setup. he won't try to sell you something you won't need either. stick with good name brands parts, and you really can't go wrong.
 

txstang84

15 Year Member
May 21, 2005
1,639
42
69
Tuscola, tx
Apr 14, 2006
#12
  • Apr 14, 2006
  • #12
Eagle-good name, but just make sure you have a block that can clean up with 0.030" overbore. I've got a std bore roller block with a set of mexican main caps installed (block needs line honed) that I've already clearanced for a stroker...I know I know, keep it in the classifieds...
 
2

2KsilverGT

Founding Member
Apr 27, 2001
354
0
0
Collinsville Va
Apr 20, 2006
#13
  • Apr 20, 2006
  • #13
I just ordered a kit from Coast High Performance. They are super nice kit's a are very affordable. A 331 for under900 bucks. Just make sure your cylinders are in good enough shape to order a .30 kit. If your cylinder walls are super bad you may have to go more and more overbore.
 

Modular2v

Founding Member
Jun 30, 2002
3,222
23
99
oklahoma
Apr 20, 2006
#14
  • Apr 20, 2006
  • #14
i had to have my block notched for the rods to clear and spent about 400$ in machining work total
 
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