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#1
03-18-2014, 04:22 PM
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New BOP One-Piece Rear Main Seal
New Product:
Viton® One-Piece Rear Main Seal The new BOP Engineering one-piece rear mail seal is the most advanced rear main seal on the market for the traditional Pontiac V-8. This revolutionary design features a number of state of the art innovations including relocation of the parting line which greatly reducing the risk of leakage. The seal is simply sliced at a premarked location and slipped around the crankshaft. A more pliable construction works more effectively in engines with seal groove geometry issues, and double lip design to provide twice the protection against leakage as well as supporting outstanding vacuum numbers. Recent testing pulled 22 inches of vacuum when silicone from around the valley pan failed. Visit our website for complete installation instructions. O RMS18 3.00-inch Main One-Piece Rear Main Seal $49.99 O RMS19 3.25-inch Main One-Piece Rear Main Seal $49.99 (coming soon)
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Wade Congdon BOP Engineering Hi-Performance Specialty Parts for Buick, Olds, and Pontiac www.bopengineering.com |
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#2
03-18-2014, 04:27 PM
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Wade, VERY interesting!
I just read the instructions. Nothing is mentioned about the anti-rotation "holes" - will they still need to be filled with RTV?
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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 Last edited by Lee; 03-18-2014 at 04:34 PM. |
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#3
03-18-2014, 04:38 PM
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Very nice.
  
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John Marcella Marcella Manifolds Inc. john@marcellamanifolds.net ph. 248-259-6696 |
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#4
03-18-2014, 05:11 PM
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Nice!! looks like a great product!!
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#5
03-18-2014, 05:32 PM
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Quote:
That issue does not pertained to 3" main seals - only the 3.25" seals
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1994 Formula 535ci NA CV-1 - single 1050 with c14 - 940hp@7000/825tq@5200 Pontiac Powered 4th Gen Project Progress 
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#6
03-18-2014, 06:20 PM
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I just got one coming.Will see what its about.
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Be carefull of the feet you step on today.They may be attached to the a$$ you kiss tomorrow. |
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#7
03-18-2014, 06:36 PM
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hmmm figures, just ordered the old style last Friday
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3500lb 10.5" tire. 5.34@134.4 with a poor 60' |
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#8
03-18-2014, 07:29 PM
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Quote:
Me too i ordered a three inch...
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"Three may keep a secret, if two are dead" ~ Benjamin Franklin ~ |
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#9
03-18-2014, 08:02 PM
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yuck, now thats not good. not for 3.000 mains that is.
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#10
03-18-2014, 09:00 PM
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When is the 3.25 going to be available?
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1965 GTO hard top, Black with a red interior built to drive and Race best so far 1.45 60’ 8.77@164mph . 6 Speed manual transmission. MS3pro Fuel injection Multiport , 517cubes 10 to 1, 3.50 gears, CNC E-heads wideport 350CFM by Dave B. 4025lbs with driver!!94mm turbo. Winner of the Hot Rod Dragweek stick shoot out 2017! |
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#11
03-18-2014, 09:11 PM
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Quote:
If Wade says its improved then it must be pretty damn good, as the old seal was already good... Thanks Wade |
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#12
03-18-2014, 09:50 PM
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nice..
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540 c.i. Ultra Street Combo Tiger Heads with Tiger Intake Induction Solutions fogger with .046 jet First ultra street/ultimate street NOS car to get into the 4's! 1.079 4.559 153.23. 3100 lbs 7.77 @ 169 1/4 Mile (2015) with EHTTFMF!! T2TTFMF! Special Thanks to: Ron at Rhodes Custom Auto Butler Peformance Jim Hostler's Transmissions (HOSGTO) on here Induction Solutions BES Racing Engines. Cheeseburger VP Racing Fuels Calvert Racing |
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#13
03-18-2014, 10:09 PM
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That's great wade . But my 535 is all back together again . Lol. Damn .
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#14
03-18-2014, 10:45 PM
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I tested this seal 2 weeks ago on a forged crank with serrogations. As you know the original BOP seal works great on billet cranks without the serrogations. Dynoed with no evac first. No drips. Then hooked up a remote 4 vane vac pump driven by a 220 volt electric motor at max rpm that we use to check for vac leaks with the engine off. Made 22.8" and still climbing when the valley pan seal gave up! The old seal sucks in at 16". My dyno operator said he'd never seen any make of engine hold more than 21". Wasn't even mad about having to pull the intake and valley pan. Just excited about the rear main seal! Think this is what we've been needing for a long time.
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#15
03-18-2014, 11:05 PM
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That's great to hear
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#16
03-19-2014, 06:49 AM
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I've always used the KRE/TPI seal BUT one piece..............I'm in!
GTO George |
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#17
03-19-2014, 06:56 AM
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Tested at 1230 Hp. It works and installation is a breeze.
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#18
03-19-2014, 09:50 AM
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Please hurry. I'll be putting a new short block together next month.
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 3 Generations of "Beach Boys Racing" ! Everybody knows somthin. Nobody knows everything ! 1st time on a dragstrip, 1964. Flagstart ! "Thanks for the entertainment." "Real Indians Don't Wear Bowties" |
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#19
03-19-2014, 10:18 AM
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Just ordered two of them!
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First Pontiac powered street car in the 7's 7.940@170.84. 3460#s |
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#20
03-19-2014, 01:48 PM
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Half tempted to pull the pain back off and the rear main and put one in. Motor is all assembled and sitting on the stand ready to go..
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74 GTO Bracket/Street car and another 74 for the wifey to race with! 70 GTO 400, 4 spd, #'s matching and a little to nice for me to own. Friendship is like peeing your pants..everyone can see it but only you can feel the warmth! |
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