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#1
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Custom pistons
Who is doing a good deal on custom pistons? Last set I had came through Pdude, decent pistons at a fair price,but I hear he's shut shop.
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#2
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The Butler Ross pistons are about $850 with pins. Take a look at Race-Tec.
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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule. |
#3
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X2 on racetech,my last two engines have them.Tom
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#4
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BME, (Bill Miller Engineering), makes very high quality race pistons in any custom configuration you could need. The cost for true custom pistons really doesn't vary much among the leaders, that would be BME, Venolia, CP, Diamond, JE, Ross and so forth. That is my personal decending order quality wise, but everyone has their favorite. It's almost like engine oil.
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#5
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For me it's JE.
The tighter clearance there alloy allows for greatly aids to ring life!
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#6
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Race-Tec is allegedly owned by the former owner of JE.
I've bought two sets from them. VERY nicely machined pistons, and prices better than I expected.
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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'. '67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust |
#7
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I think P-dude used BME for most of his.
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https://www.facebook.com/Outlaw-Vint...7899333725868/ |
#8
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I just had a custom set made by Ross and im very surprised how different the sizes are from piston to piston. I thought they'd all be the same size. is this normal? One varied .0026
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My Half AN Injun..... |
#9
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Yes,Racetech is owned by the past owner of JE.I have been at his shop.Great guy that makes a nice product.Tom
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#10
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It's possible some of the variation could be due to a more aggressive "cam grind" on the skirts. I scribe a line on the skirts to help center the mic face. I have also found the more "custom or one-off" vs more mass produced, the greater variation in skirt diameters. The BME pistons we use now are within ..0005" through a set of 8. The reason I really like BME pistons is the extra material and support in the thrust area of the skirts. Yes, they are a little heavier than Ross and JE, but they hold their shape much better in the extreme use we put them through. With the long stroke/short cylinder of a Pontiac engine, the skirt integrity is important to our program. Ross Pistons are really pretty and beautifully finished. But delicate in really high HP applications from my experience. With a perfect tune-up and their light weight, Ross pistons may be worth a few HP over some of the others. It's all about risk/reward at that point.
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#11
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I have never used or evaluated RaceTech pistons at this point. It would be VERY interesting as a former owner of JE to get his candid take on JE and Wisco as well as the other brands under the JE umbrella and the advantage of his products. That would be an educational conversation. These types of insights are why we spend 3 full days at the PRI tradeshow every year. The company owners are there.
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#12
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Randy is his name I believe.I think he is on Speedtalk from time to time.I learned about him from Joe Sherman.Joe used them in my 301 stroker build and I also used them in my 366 RA V NASCAR build.Tom
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#13
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Quote:
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My Half AN Injun..... |
#14
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Quote:
Tom V.
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
#15
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Reference to post no. 7.
Actually Pontiac Dude sold BRC pistons. I used 4 sets in customers budget builds.
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There is no such thing as too much cam, just not enough engine. 1966 GTO - 11.31@119 (3478 lbs) in 1979 1967 Firebird - 9.73@138 (2940 lbs) in 1986 400 cu in / 295-298 cfm RAIV / Lunati Cam 278/283 - .704 lift/5.13 gears |
#16
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Quote:
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#17
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Quote:
Too many acronyms.
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https://www.facebook.com/Outlaw-Vint...7899333725868/ |
#18
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Joe Sherman builds some powerful engines and is an out of the box thinker. He is a tough competitor in the Engine Masters competition. If he likes the pistons that is a sound endorsement.
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#19
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Scott Brown can get you a real nice set of Race-Tech for around 900$. A good ring pact "starts" around 400 though.
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#20
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He always impresses me with his knowledge.He worked for Edelbrock years ago,he runs countless engines on his dyno,he builds the engines for his sons car and kicks ass with it.You can ask him questions like what does changing to 1.65s on the intake or the exhaust give you over 1.5s and he will give you a no BS answer.He builds tons of chevy and fords and has built a few pontiacs actually a few for me.Its nice being able to just stop by every once in awhile to just bump things off him.Tom
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