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04-09-2004, 08:06 PM
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#1 |
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Registered User
Join Date: Nov 2001
Location: Fletcher,N.C U.S.A
Posts: 162
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what are the best pistons?
I'm rebuilding my motor and boring it 30 over and what are the best pistons to use for a 402BB?
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04-09-2004, 08:37 PM
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#2 |
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Senior Member
Join Date: May 2002
Location: NORTHEAST OHIO
Posts: 494
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pistons
I believe you can never go wrong with TRW forged pistons.They have been around a long time and I've never heard anything bad about them.I have had good luck with them myself,and just bought a set from Summit racing for the small block I am putting together now.
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04-09-2004, 08:45 PM
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#3 |
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Registered User
Join Date: Mar 2004
Location: Thorsby AB Canada
Posts: 206
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Speed pro hypereutic for a mild build or go with their forged pistons for a lot of nitrous or supercharged.
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1972 Chevy C/10 350/200r4 |
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04-09-2004, 09:22 PM
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#4 |
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Registered User
Join Date: Jan 2002
Location: Slippery Rock PA USA
Posts: 1,692
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...Wisco is one of the best pistons made there tolerances are closer than anybody..but you do pay for it
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Ken Lyons, Slippery rock pa 68 short step 327 t10 4 gear 72 2wd blazer project 70 lwb 305/700r driver 78 caprice project 02 cavalier D.D ( hate it!!) |
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04-09-2004, 10:26 PM
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#5 |
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Account Suspended
Join Date: Mar 2001
Location: Virginia Beach, Va. U.S.A.
Posts: 15,320
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There's alot of great names out there, it's mostly a personal preference thing. $1000 pistons aren't any good if the rest of the engine doesn't back them up. If you're running a stock crank and rods, you may as well run cast pistons too.
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04-09-2004, 11:54 PM
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#6 |
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Registered User
Join Date: Nov 2002
Location: Kelowna B.C. Canada
Posts: 1,086
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Randy70C-10 hit the nail bang on, I am running Wisco pistons in one of my motorcycles (1200cc KZ Kawasaki) and like them, however I have heard from a credible source that in some cases OEM pistons are actually stronger than Wisco. I can't remember who did the study on it, has anyone else heard this before? Doug
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04-09-2004, 11:56 PM
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#7 |
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Registered User
Join Date: Nov 2002
Location: Kelowna B.C. Canada
Posts: 1,086
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Sorry 72BBGM I didn't mean to steal your thread, Doug
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04-10-2004, 09:33 AM
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#8 |
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Registered User
Join Date: Jan 2002
Location: Slippery Rock PA USA
Posts: 1,692
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wisco was the only piston our machine shop would bore the block without the pistons being their..he said most 30 over pistons vary up to 5 or 6 thousands were wiscos are usually under .001..as for the strenght we blew a 292 a part from the race car..hole in the side of the block you could stick your head in...rod bent damn near in half junk cam head etc...and the wisco piston was smashed down about 1/8 of an inch on one sidedidnt crack or break i was pretty amazedwe also used srp's and a few others but roundy round racing is very hard on parts..i wouldn't spend that kind of money for the strret or street/strip...many of the old high horse engines had stock cast pistons and seemed to hold up well
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Ken Lyons, Slippery rock pa 68 short step 327 t10 4 gear 72 2wd blazer project 70 lwb 305/700r driver 78 caprice project 02 cavalier D.D ( hate it!!) |
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04-10-2004, 10:51 AM
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#9 |
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PROJECT 7DEUCE
 
Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,606
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I have bought 2 set's of kieth black sivolite's and was pertty happy with the fit and finish on the piston's and the are still alive...
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GO BIG GREEN  GO DUCKSMEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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