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Canadian car identification here: Serial Numbers 1935-1964 | 1965-1966
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Thread: Visually Identifying GM V8 Engines of the 60ís and 70ís

  1. #11
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    converted to raw text, making the 2nd post into a quick reference
    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. #12
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    added Poncho info.
    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)

  3. #13
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    215's & 300's

    As far as I know, there were no 215's with C.I. blocks. The Pontiac Tempest used the Buick version of the 215 for their V-8 thru '63 then the C.I. 320 which looked like any other Pontiac. The Olds 215 looked different than the Buick but everything but the heads and I think rocker ***'y was the same. pistons interchanged in sets with different comp. ratios than listed, Buick had smaller comb. chambers than Olds. The Olds block had four more headbolt holes than Buick but you could use buick heads on the Olds block, just plug the extra holes with setscrews. Olds heads on the Buick block, deill and tap the extra holes. Intake and exhaust were the same, you could turbo-charge the Buick using the Olds parts. The '64 300 Buick was the only one with aluminum heads, the others had C.I. The 350 timing cover with it's attached parts fits the 300 for sure and probably the 340 as well. The 300 & 340 looked alot like a Nailhead with a front dist. So did the Buick 215. Also, large Chev trucks used the 322 Nailhead from '56 to '59 (10 series trucks and school busses) Chev or GMC or both also used Pontiac V-8's in the mid '50s-Jim
    Last edited by jrlemke; 01-07-2006 at 07:18 PM.
    J.R. Lemke

  4. #14
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    There was an option in '66 for the GS Skylark's. It had 11-1 compression & was rated at 340HP that also came with a Q-JET.
    Tom Telesco

  5. #15
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    The 350 timing cover with it's attached parts fits the 300 for sure and probably the 340 as well.

    TA Performance sells the same timing cover for all displacements of the small block v8 buicks AND the V6's. this includes the GM corp v6 of the 80's except the turbo's.
    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)

  6. #16
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    As far as I know, there were no 215's with C.I. blocks.

    JR
    i'm getting the switch to CI from the 'Standard Catalog of V8 Engines' ... they could be wrong. the 'Ultimate American V8' book makes no comment on such a production change. can you provide reference or is this personal experience on your part?
    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)

  7. #17
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    C.I. 215's

    Positivly no C.I. 215's, I've been playing with them almost since they were new. Also, when they first came out Hot Rod had a story on them if I'm not mistaken. Jim
    J.R. Lemke

  8. #18
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    Positivly no C.I. 215's

    okay, i've got that changed in my source file, i'll make the update after i finish adding Olds info.

    on an unrelated, more personal note, have you ever looked into swapping parts with the 340 or 350? i've seen that the 215 is commonly stroked by using a 300 crank so it would seem that there are still quite a few similarities between the ancestor and descendants.

    i am aware of the re-ordered valves in the 350.

    The Olds block had four more headbolt holes than Buick
    i'm sure you're aware of this and i'm just clarifying for those less knowledgeable.

    the Olds block has 4 more holes per head or 8 more holes per block. i've seen it claimed on Rover sites that the Buick/old Rover 5 head bolt per cylinder arrangement tends to cause head gasket leaks over time and they actually recommend converting the Buick/Rover heads to 4 bolt/cyl or only torquing the bottom row of bolts to 30lbs in order to alleviate that problem.
    Last edited by bob k. mando; 01-15-2006 at 11:50 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)

  9. #19
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    stealing from Dr. FrankenBuick: http://www.teambuick.com/forums/show...52&postcount=6

    The only 425 that was ever red was the 66 (all of them). The only 401 thay was ever red was that of the 66 GS Skylark (called a 400). All of the other 401s and 425s were green with the exception of the 63 Riv. The 63 Riv had a silver engine reguardless of whether it was a 401 or 425.

    also thanks to Brian from NC
    Red didn't come along until '66. All 340's were red--both 2bbl. and 4 bbl. versions. All 425s were red, and the 401 only in the '65 Skylark GS was red.
    The 225 V6, 300 2bbl. (no 4bbl. 300 available in '66), and the 401 in anything but the skylark GS was painted green.
    Another interesting note--all 425s that came in '66 Riverias had a spreadbore intake and a rochester Quadrajet carb on them.
    Last edited by bob k. mando; 08-17-2006 at 11:21 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)

  10. #20
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    Also, '65 300s were blue-green, not red...
    1953 Special Riviera 45R
    1965 Skylark Hardtop 300-4V
    1965 Mustang (in the family since 1968)
    1965 Corvair Monza Convertible
    1965 Dodge Dart 170 Wagon
    1974 Pontiac Firebird Esprit

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