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Type: Posts; User: Bcalvosa

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  1. The knurled section is not a separate part of the...

    The knurled section is not a separate part of the brake booster push rod. The acorn bolt threads in the end, and there is no lock nut to secure it. Each of the ones I adjusted did give some...
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    By referencing the fuel pressure regulator to the...

    By referencing the fuel pressure regulator to the intake manifold vacuum, this ensures the fuel pressure is always a constant pressure above the air in the manifold. This simplifies the fuel...
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    If you don't already have it, grab a copy of...

    If you don't already have it, grab a copy of HPBooks "How to Modify Your Nissan/Datsun OHC Engine" -- very helpful book. The below formulas are gleaned from there. A narrow band oxygen sensor in...
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    When air flows into a square edged tube, the edge...

    When air flows into a square edged tube, the edge creates a large disturbance or boundary layer that reduces the effective diameter of the tube by a significant percentage (depends on tube diameter,...
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    Polk shows 2,056 Datsuns 1973 and older are...

    Polk shows 2,056 Datsuns 1973 and older are registered in Canada. If the same 43% were 240Z's, that would be 884 additional 69-73 240Z's.
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    Number of Registered Vehicles on the Road - 280Z, 260Z and Estimated 240Z

    Additional background...

    R L Polk & Co. is the source automakers use when they make claims like "60% of all Porsches ever made are still on the road today". They are also the source automakers...
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    How many Z's are left / registered / on the road?

    Using US registration data (where available) and historical export figures accounting for historical percentage that falls off each year (where registration data is not available), the attached...
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    If moving the throttle consistently makes it come...

    If moving the throttle consistently makes it come back, it points to something that would react with the throttle movement (the throttle position switch or the air flow meter). If it is not...
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    If power drops, it has to be fuel or spark. When...

    If power drops, it has to be fuel or spark. When cruising and power suddenly drops, if the tachometer needle immediately dumps to zero, it is likely ignition (since the tach is triggered by the...
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    The "packing sheets" are no longer available. ...

    The "packing sheets" are no longer available. You can use thin black foam weatherstrip to make up gaskets. If going for a concours restoration, the only way I have found to get new gaskets is to...
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    Oops. Forgot I was in search results...

    Oops. Forgot I was in search results...
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    It may sound basic, but before pulling the trans,...

    It may sound basic, but before pulling the trans, try tightening the alternator belt (and A/C and air pump belts, if equipped). The symptoms sound more like belt squeal to me. You can also remove...
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    Try a couple things to narrow down the cause: ...

    Try a couple things to narrow down the cause:

    1) With the car stopped, rev the engine in neutral with the clutch depressed, Vibration means it is not the transmission. Possible causes could be a...
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    It sounds like your rear countershaft bearing is...

    It sounds like your rear countershaft bearing is failing. The rear most gear set in a transmission (excluding reverse (and fifth gear for five speeds) is first gear, 2nd to last is second gear,...
  15. Finding & Fixing Exhaust Leaks (Fumes) into the Interior

    Z's are notorious for leaking exhaust gasses (or fumes) into the interior. This article details a procecss to find and eliminate the sources. To make the article easier to read, key photos are hot...
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    Just finished redoing my 1/1971 Series 1 240Z

    Just finished redoing my 1/1971 Series 1 240Z
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    I just put springs and new struts on my 240Z. ...

    I just put springs and new struts on my 240Z. Goal is "spirited" driving on the street, no true competition. I opted for Tokico HP's (blue) (same e-bay vendor -- they are great). They are valved...
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    I am running 215-60VR-15 Yokohama AVS ES100's on...

    I am running 215-60VR-15 Yokohama AVS ES100's on my 71 240Z (with 15" ZX Turbo Swastika wheels). I don't drive in the rain, but dry traction and dry cornering are great in my opinion for a tire with...
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    I used the adjustable offset bushings. ...

    I used the adjustable offset bushings.

    http://www.zcarparts.com/store/merchant.mvc?Screen=CTGY&Category_Code=PSDC07A

    They do not give that much adjustment (about 1 degree). Make sure you get...
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    Hard to tell from the photo, but it looks like...

    Hard to tell from the photo, but it looks like they are mounted to an original Mikuni manifold. They also have the air horns mounted -- good feature. For the carbs themselves, the number you quote...
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