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  1. Question: one-time CAC forum member "Mitch" passed away 28 FEB 2012

    today is Friday, March 02, 2012 and yes I realize this is an old thread.
    regarding the Original Poster "Mitch"
    from his obituary

    FLORENCE, SC
    Talmage Mitchell Rhames, 58, passed away Tuesday,...
  2. Replies
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    First ... GMPP ZZ4 crate has a steel roller...

    First ... GMPP ZZ4 crate has a steel roller camshaft & requires correct dist gear ... a "melonized" gear. You can buy the dist gear separately from GM & install it on any GM HEI or clone thereof with...
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    A Rochester Quadrajet will fit that Performer...

    A Rochester Quadrajet will fit that Performer intake manifold just as nicely ... and fit OE air cleaner & OE fuel line & OE booster etc etc.

    Perhaps return the Holley ? ... exchange for a decent...
  4. dish OE L48 + GM 10105117 gasket + L98 aka ZZ4 head yields ~ 9 3/4:1 scr

    No significant performance difference L48 v. L82 heads. Both have 76cc chamber & same size ports-runners. L48 needs lots more compression & more cam. '75-up needs true dual exhaust.

    :thumb
    ...
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    Question: The heads themselves have nothing to do with how...

    The heads themselves have nothing to do with how high the carb sets ... the intake manifold does. Matters not whether L48 heads, vortec heads or afr heads ... it does matter what the intake manifold...
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    Help! 75-85 sbc 1 pc op gasket felpro OS34510T

    Most chrome pan/tc are cheap asian ... and often poorly made & often fit poorly.

    You do Not need a race gasket ... fp makes both replacement & race types.

    Very good one piece rubber oil pan...
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    Help! I cannot clarify this further.

    I cannot clarify this further.
  8. Replies
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    Help! First, suggest you verify temps with a separate,...

    First, suggest you verify temps with a separate, known t'meter ... so you KNOW what temps are ... dash gages not always reliable.

    I'm usually pretty good on this stuff ... but I had one recently...
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    There is a widely-held book on rebuilding small...

    There is a widely-held book on rebuilding small block chevy ... zillions have used it ... it's a great book (may be the best) for novice or someone who hasn't tackled it in years. Title "How to...
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    stock motor has dished pistons and weak cam....

    stock motor has dished pistons and weak cam.
    suggest you overhaul with flattop pistons and a bit more cam.

    Let us know when & what you plan for along with realistic budget.
  11. Thread: cooling flush

    by Jack
    Replies
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    7,505

    GM's cleaning instructions for cooling system

    I use this tsb (#99-06-02-012D) from GM as a guide for system cleanout ... a guide, not an absolute. I pay close heed to chemicals, concentrations, time & temps ... but I don't refill w/ dexcool....
  12. Thread: cooling flush

    by Jack
    Replies
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    7,505

    the prestone & GM stuff I suggested is oxalic...

    the prestone & GM stuff I suggested is oxalic acid ... I didn't intend to imply oxalic acid is specifically intended for cooling system cleanout ... it's also widely available as wood bleach.

    If...
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    regarding 81 DISTRIBUTOR ... 81 did NOT have...

    regarding 81 DISTRIBUTOR ...
    81 did NOT have vacuum advance.
    since carb's apparently been modded ... maybe dist too?
    Lotsa folks have modded 81 to install earlier HEI distributor that does have a...
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    Your other posts indicate you have sticking...

    Your other posts indicate you have sticking valve, loose rocker stud etc ... you must have entire valvetrain looked at closely by experienced person & have it fixed before you install another cam.
    ...
  15. Thread: cooling flush

    by Jack
    Replies
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    7,505

    Suggest you repeat ... but with threaded block...

    Suggest you repeat ... but with threaded block plugs removed & with a stronger chemical cleaner designed for cooling systems .... reference "hard to find" GM p/n 12346500 aka prestone heavy duty...
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    That oil will likely do a good job for you. ...

    That oil will likely do a good job for you.

    Curious if you changed opg sender; if so, did you see a difference?
  17. Thread: camshaft failure

    by Jack
    Replies
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    1,376

    Sounds as though uncles car may ... repeat MAY...

    Sounds as though uncles car may ... repeat MAY ... may have a bent or galled valve. Of course, don't drive it until it's fully-repaired.

    Regardless, an experienced knowledgable person should...
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    Question: Although they're very cheap ... you don't need...

    Although they're very cheap ... you don't need locks ... do replace the remainder. You can get a great deal on summit house brand of cam&lifter kit for under $100 ... see K1102 or K1103 for L48 motor...
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    Question: Right or wrong ... I believe a well-tuned,...

    Right or wrong ... I believe a well-tuned, 4-cycle, non-cat car/light truck has minimal impact on environment. Also consider how many miles-hours special-interest car operates/year.

    When/where...
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    Alotta old sbc have OE "silent" timing chain set...

    Alotta old sbc have OE "silent" timing chain set (read plastic-jacketed cam gear).

    That old plastic will likely be in some stage of disintegration. It begins w/ fractures & some small bits...
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    Regarding NON-synthetic Rotella T: I've never...

    Regarding NON-synthetic Rotella T:

    I've never seen NON-synthetic Rotella T 10W-30 ... but ... do typicially see NON-synthetic Rotella T in either multigrade 15W-40 or singlegrade 30W.

    ZDDP...
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    Quite likely you don't need a "performance" oil...

    Quite likely you don't need a "performance" oil pan gasket.

    FP also has 'replacement type' 1-pc rubber oil pan gasket.

    Felpro p/n OS34510T is correct for 75 thru 85 sbc ... and it's a...
  23. Question: I guess "true duals" has more than one meaning???...

    I guess "true duals" has more than one meaning???

    To me ... it differentiates between a system having (A) a single exhaust pipe run from V8 to either 1 or 2 mufflers and 2 tailpipes/tips OR (B)...
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    Whatever the max lift at spring is you MUST have...

    Whatever the max lift at spring is you MUST have an additional approx 0.060" to 0.075" it can compress to avoid coil bind. Does the .575 mean it can compress 575 and then 060 more until it becomes...
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    Your numbers look fine; their range/variance is...

    Your numbers look fine; their range/variance is also quite acceptable. We rejoice in your discovery.
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