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#1
10-18-2008, 10:27 AM
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Pro Products balancer seperated!!!
We I WAS going to go to the track last night...but while getting ready to strap down the car, I heard a knocking sound up fornt and looked and the outer ring of my new balancer was wobbling. It is the 90020 sfi balancer and the outer ring has completely seperated from the hub!! Just glad it didn't happen @ the track. Oh well still had fun with a friends car...he went from 11.8 to 11.43 with just a fuel pump and line change!!! Next will be a bigger carb.. Bill
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#2
10-18-2008, 10:27 AM
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Any pics?
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Darin '64 Bonneville Wagon (sold) 69 Lemans-All motor (sold) 9.81 @ 136.39MPH |
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#3
10-18-2008, 10:34 AM
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I had one and noticed one of the screws was missing, when I checked all the rest they were all loose. I got a replacement screw and locktighted them all. I used it for a while, but swiched back over to the ATI.
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66 GTO |
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#4
10-18-2008, 10:39 AM
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I have the PP SFI balancer, and check the screws regularly. I have not found them loose yet, but will inspect it more closely from now on.
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Darin '64 Bonneville Wagon (sold) 69 Lemans-All motor (sold) 9.81 @ 136.39MPH |
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#5
10-18-2008, 11:29 AM
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I am a big fan of ATI and TCI Balancers. Never had an issue with either one.
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. |
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#6
10-18-2008, 11:47 AM
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Does anyone know if the ATI 917160 has a 3 or 4 bolt pulley setup? I am reading it as a 3 bolt chevy style.
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#7
10-18-2008, 11:58 AM
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Very common, don't skimp on balancers. Buy a good one, ATI, Fluidampr, Innovators West are some.
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1989 Automotive Hall of Fame Inductee |
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#8
10-18-2008, 12:04 PM
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Quote:
The pulley gets centered on the register. Easy mod. |
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#9
10-18-2008, 12:17 PM
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ATI is 3 bolt. Just get a chevy crank pulley and open the center hole to the Pontiac dimension.
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Tempest455 |
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#10
10-18-2008, 12:37 PM
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RARE can drill their aluminum pulleys for 3 and 4 holes.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune [email protected] 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs 1964 Corvette Coupe 327 4 speed |
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#11
10-18-2008, 12:44 PM
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But we shouldn't have to get new pulleys or drill our pulleys to fit a Damper. We pay more $ for them because they are listed for a Pontiac, not a chevybb, so that extra money should be it fits our stuff money! One other thing is the Pontiac doesn't need as much material removed to fit as the bbc, so that's less machining time. But we still are charged more. I say they make it fit, and fit our pulleys, or they don't need to make 'em at all.
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#12
10-18-2008, 12:46 PM
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I have over 200 passes on my Proproducts balancer with no issues,after saying that I'm going out to check it over!
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Mark 1970 Lemans Convertible,462,6x-4, 234/242 cam.3.42 posi.12.55@109,4100 lbs...SOLD.... 1968 Firebird , 467 , KRE d-ports ,stock type suspension,3100lbs (1.30 60')(6.08 1/8)(113.43)different runs 9.59 @140.71 on E85 all motor [email protected] on 150 shot |
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#13
10-18-2008, 02:12 PM
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Well I have no problems drilling the crank pulley, I had to for the blower hub, so what the heck will some more holes be...think of it as "lightening"!!!!! I guess that jegs will get my money this time...they have an ATI in stock...unless anyone cen tell me if a fluid dampener is better. Thanks for the input....definitely disappointed in the pro-products brand. Bill
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#14
10-18-2008, 02:35 PM
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Summit sfi ballancer!!!! Awesome piece 100% bolt on, made by a ex Top Fuel Racer, uses STOCK 4-bolt pattern like BHJ except the Outer ring doesn't move, Butler used one on their 467 Engine masters challenge engine, good piece 230$ better than the PP by far
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D.S.R.E. Your NW Pontiac Street/Strip Engine Builder, Specializing in Cylinder Head,Intake Manifold,and Exhaust Manifold Porting services and Building the Most Efficient stock rebuilds to Hi HP Pump Gas and Race Combinations for Pontiac,Buicks,Olds,FE Fords,385 Series and HP Gen 3 and 4 LS engines! 2006 silvy Z71 4X4,383 LS 600+hp NA Shared Toy-66 Lemans 470cid by me 537hp 580tq-manifolds, 570hp 590tq-2"headers,custom cam,rpm intake, mild e-heads, Looks stock ;-} |
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#15
10-18-2008, 02:40 PM
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I am trying to get the Vortech People to design a Crank Pulley for both the S/C set-ups that can use the 3 bolt chebby type Pontiac Balancer. This combination would replace the weak 6 bolt factory early Pontiac multi-piece balancers when using the S/C kits.
The 4 bolt stuff fits great as many people saw at the Norwalk event. 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. |
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#16
10-18-2008, 03:59 PM
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If you are using a stock steel crank pulley, just spin it a drill it.
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Tempest455 |
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#17
10-18-2008, 04:54 PM
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My PP Balencer took out the timing cover on my last pass at PSN this year. Went to a romac. Only had about 15 runs.
John
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Beers Bikes Babes and Pontiacs Rule!!!  63 Lemans in the 9's race 66 GTO HT Cruiser 06 Triumph Rocket III TURBO! 2300 CC Bad boy KTM 525 Dirt Terrorizer POLARIS 900 RZR 10 GMC SLT Duramax Haul anything anywhere http://www.facebook.com/profile.php?...app_2392950137 |
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#18
10-18-2008, 05:36 PM
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the summit piece is nice but it wont fit with a AP front plate. It is too large a diameter. I was impressed with the quality but had to send it back.
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#19
10-18-2008, 06:34 PM
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I just pulled the piece of crap off.... so far 3 of the 6 small screws are backed out and bent..fortunately the outer ring just spins freely and moved in and out about 1/4", it only scraped up my trigger wheel a little but no damage to it and it rubbed the bottom of the timing tab area on the cover. I am not going to try to remove any of the other screws to see how it is attached...held together.I thought that the 6 #12 screws just held on the red ring with their name on it. I am going to try and get this warrantied..it is only 4 months old. If they replace it, I sure won't use it on anything but a street engine. I figured it was a decent part since our pontiac vendors are selling them....NOT!!!! I will post some pics for reference in a little bit. Bill
here's a link to ATI and it shows how this piece of crap comes apart!! http://www.atiperformanceproducts.co...pers/index.htm |
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#20
10-18-2008, 06:47 PM
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Hate to hear it. I am running one and in great shape. Replaced the BHJ unit that spun. Just checked it for TDC and still right on. I have also sold quite a few and no issues from customers............... so far.
If these are supposed to be SFI rated as to not come apart. How are they getting past the SFI rating. Hum............ NHRA went to this system to eliminate this problem. |
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