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    How toDetermining what year Diff I have and gear ratio?

    Can't see in your pic , at top center ,is there a bolt that connects the batwing to the diff head ? Refer pic below , D44 shown on top If so it is a D36 , std auto diff . If not it is a D44 ;the manual trans only HD option. Year range is identified by brake park brake arrangement. 84-87 have...
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    Help! Need an ECM for 1984 C4, or how to eliminate the ECM.

    Very popular conversion Can install any SBC 4bbl intake and suitable size carb - Will need a non ECM controlled SBC distributor (HEI ) and if like the TPI cars , you will lose the MPG readout
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    Question: 90 plenum install

    I glue one side of the gasket ( to the plenum and bottom of runners ) and grease the other side. That holds them in place while you move parts around and if you are lucky you can easily separate the runners and plenum at a later date without destroying the gaskets
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    88 vette cranks no start

    Pull a couple of spark plugs Wet - no or weak spark Dry - no fuel Dash lights being on could indicate a earthing problem ( seperate to starting problem )
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    Question: Oil Catch Can

    Correct. BUT under low intake vac conditions like WOT , the crankcase fumes are pumped back up the PCV intake line from the pass side valve cover to the port on the TB ; Hense the crud in the intake ( if engine is dodgy )
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    Sys on Dash,now it won't start.

    :thumb The "paperclip method" - it does more than you think, even on '96 cars! - CorvetteForum - Chevrolet Corvette Forum Discussion
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    Question: fuel gauge

    Pull and check the sender unit Read Fuel Gauge Sending Unit Repair Tech Article. - Corvette Forum
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    1984 Automatic Vette - Not starting without giving it gas.

    Having your foot on the pedal ( > 25% throttle ? ) while cranking over shuts of the injectors FWIW You can't " pump gas' on a EFI engine ; there is no accelerator pump like on a carb. All you are doing is adding more air while combined with the injector fuel shutoff is overcoming a rich...
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    1990 L98 engine heads question

    :thumb But check if you have a plug blocking one threaded hole between the spark plugs If you do ,you want that one the drv side as the empty hole is for the temp gauge sender on pass side as shown below PITA to get the plug out later it you swap heads to wrong side
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    Help! 96 Vette Cooling Fans

    95 /96 is different There are 3 relays and two modes of operation when the fans run. Both fans run at slow speed when the PCM grounds pin A11 Dark Green wire which energizes Relay #1. Both fans run at high speed when the PCM grounds pin A11 Dark Green wire and pin A10 Dark Blue wire. (All 3...
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    My Vettes getting Hot!

    Only effects warmup time ; once it is open has little effect on max temp Pri fan doesn't turn on until 228F Is normal for temp to rise quickly when stopped Pull the radiator , blow out 30 years of crud blocking the fins to ensure you have max airflow when fan operating Being bottom feeder...
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    won't start

    .mainstreamtopics.com/forums/topic/78-lt1-no-start-diagnostic/ Put the 3w in the front For some reason everytime I put a html link up this site changes to to something else
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    Question: Gauges for Oil / Coolant temp not reading but Digital readout for both OK. 1992 C4

    As stated above, the CTS that the ECM uses for its calculations ( and the digital temp indication ) is located in the water pump Gauge sender is in the head Oil temp sender is located above the oil filter
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    Question: Gauges for Oil / Coolant temp not reading but Digital readout for both OK. 1992 C4

    Independent sources Analog temp from the sender in the head ; digital temp from the CTS in the WP via the ECM Check wiring tosender, ground the relevant wire at the sender and see if the gauge moves ? If it does ,sender is most likely faulty
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    Help! Speedo eratic/inop!!

    Or a wiring / connection fault from the VSS Could try pulling the fault codes to see if anything present The "paperclip method" - it does more than you think, even on '96 cars! - Corvette Forum C4 Diagnostic Trouble Codes | CC Tech - Corvette Blog, Restoration and Repair
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    1986 Corvette Rack n pinion

    :thumb And if you are into spirited driving that is the one to buy
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    Help! Cold Start Injector

    Cold start injector is only functional when cranking the engine over cold. It can only present a problem to engine operation if it is mechanically faulty and leaking fuel full time ( testing required ) No CSI may give extended cranking on cold start in colder climates , there are work arrounds...
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    Help! 1994 C4 Starts and Quits quickly

    you got problems DTC 41 is a communication fault between the CCM and the ECM Start here Corvette Forum : DigitalCorvettes.com Corvette Forums - View Single Post - pulling my hair out for future no start reference Lt1 No Start Diagnostic - Automotive - Forum
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    Question: 84 vette computer

    Sure Corvette Forum - View Single Post - Going Carb on C-4
  20. V

    What size tires to put on 1986 Corvette

    The wheels bolt on perfect. The adapters are only needed for " appearance" to position the wheel in the stock 84 - 87 location in relation to the guard
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