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- Street Cam Selection Guide
- Buick 455 O.E. Camshafts
- High 10's Secrets for Your Buick 455
- 400/430/455 Poston Cams Grinds and Numbers
- 400/430/455 Kenne-Bell Cams Grinds and Numbers
- Buick 455 Drag Strip Tests from Kenne-Bell
    - Buick 400, 430, 455 Engine Specifications
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Thread: Ancient high 10's secrets for your Buick *455*

  1. #1

    Ancient high 10's secrets for your Buick *455*

    since i gave you the Kenne-Bell write up on the 350, it's only far that i give you a little of the big brother. if anybody has old Popular Hot Rodding magazines laying around, it would be helpful if somebody could tell me February of what particular year they reviewed the Ram Air hood.





    PERFORMANCE GAIN CHART FOR 455 GS

    ( using special KENNE-BELL equipment )

    This chart was compiled to give our customers reasonably factual information on the performance gains to be expected from our products. The majority of equipment used in these tests was not "on the shelf" equipment. Many cam, piston, ring, manifold, carburation and transmission tests and modifications were performed before we finalized on the equipment that gave the results shown below.

    All tests were run in our 3600 lb. 1970 GS 455 car.


    Code:
    TEST       ET         MPH           CHANGE MADE
    
    1        13.90        100.00        Stock Buick GS 455, 3.64 gears, TH-400
                                        trans.  Car was right off the showroom
                                        with no changes whatsoever.
    
    2        13.60        100.00        Install slicks on KBDCR offset chrome rear
                                        wheels, KBDR2096-90/10 Shocks and KB147
                                        Airlifts
    
    3        13.50        100.00        Install 4.78 gears and KB Street/Strip
                                        Transmission Kit and clearanced engine.
    
    4        13.00        104.00        Install KB455 4 Tube Headers ( specially
                                        made ) and .073 primary jets
    
    5        12.40        110.00        Install KBB70S 455 Cheater Cam ( legal
                                        NHRA ) with .030" shims and stock Buick
                                        valve gear.
    
    6        12.00        113.00        Install KB455FP Super Lite Forged Pistons
                                        and KB130 Street/Strip Rings
    
    7        11.85        114.50        Install Edelbrock manifold with .030"
                                        metering rods and .074 primary jets
    
    8        11.60        117.00        Install 1000 cfm Thermo Quad ( specially
                                        jetted ) and KBFLA Fuel Line Adapters.
    
    9        11.20        122.00        Install Stage 2 heads.
    
    10       11.10        123.00        Install Ram Air Hood ( see Popular Hot
                                        Rodding - Feb ... year unknown
                                        at this time )
    
    11       10.90        125.00        Install KB149-B Converter and Switch
                                        Pitch Kit
    
    12       10.70        127.00        Install KB Mark IV Cam, KB100 Lifters and
                                        KB102 Pushrods
    Test 3 also includes our KB128 and KB129 Bearings ( same as Buick ), blocked heat riser gaskets and pulleys and KB Advance Curve Kit. Note the 4.78 provided relatively little increase in performance. The stock exhaust system, low compression and "weak" factory cam could not take advantage of the lower gears.

    Our headers, cam, pistons and rings were installed in tests 4, 5 and 6 for a total gain of 13 mph and 1.4 seconds.

    The Edelbrock manifold picks up 1.5 mph and .15 seconds in test 7.

    Test 8 proves the ThermoQuad to be the best bolt on value for the engine. It works equally as well on a stock manifold with the manifold primaries enlarged to 1 1/2".

    This is not necessarily the final potential of the car. Further tuning, ram air and dual quads will further add to performance. In addition, we maintain a continous research program with our test cars and our customers in search of increased performance.
    The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
    Vladimir Lenin

    Government schooling is about "the perfect organization of the hive."
    H.H. Goddard, Human Efficiency (1920)

  2. #2
    Wow! I hope your going to come up with an old catalog of KB cam grinds


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  3. #3
    sorry, nope. that's just some scans of KB newsletters that i've picked up over the years. i don't actually have any of these.
    The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
    Vladimir Lenin

    Government schooling is about "the perfect organization of the hive."
    H.H. Goddard, Human Efficiency (1920)

  4. #4
    Quote Originally Posted by bob k. mando View Post
    sorry, nope. that's just some scans of KB newsletters that i've picked up over the years. i don't actually have any of these.
    Wait - I got this!




    Steve B.



    67 GS 525 Buick Stage IV
    66 GS Convertible
    65 GS HT
    63 Riv
    02 Subaru WRX Turbo
    03 Ford Cobra Convertible (Factory Supercharged)

  5. #5
    Hah! very nice, Steve.

    sometimes info requests actually pan out.


    i notice that's a cam list from sometime later than the test results i posted though. they're on their 7th gen solid lifter cam here where they were using the "6S" in the test.
    Last edited by bob k. mando; 05-28-2010 at 06:16 AM.
    The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
    Vladimir Lenin

    Government schooling is about "the perfect organization of the hive."
    H.H. Goddard, Human Efficiency (1920)

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