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    Some older engines with EGR may detonate at part...

    Some older engines with EGR may detonate at part throttle without it.
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    Your engine is making somewhere between 600 and...

    Your engine is making somewhere between 600 and 625 at the flywheel SAE-corrected. That's pretty impressive. The torque and power curves above about 4300 get a bit jagged. Did the chassis dyno...
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    Help! Aluminum radiator with expansion tank and no fan...

    Aluminum radiator with expansion tank and no fan shroud?
    M22?
    Tach with 6500-rpm red line?
    Heater delete?
    Radio delete?
    J56 brakes?
    103 octane warning sticker on console?
    What axle ratio is in...
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    Notice: The "Bad Assed Bee", our ZR1, sits out in the...

    The "Bad Assed Bee", our ZR1, sits out in the carport under a cover. Last year, we drove it almost 15,000 miles. For this year, we had been saving that car for long runs with our Club or to other...
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    Notice: It's fully you say that, "Dirty Howie", because,...

    It's fully you say that, "Dirty Howie", because, at one time, Katech had an outside PR firm working for them. The firm is owned by a business friend of mine. A few years ago, Katech decided to take...
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    Notice: Catbert! Long time since we've exchanged...

    Catbert!

    Long time since we've exchanged greetings!



    Great question, but no, I don't, for several reasons...

    1) The current management at Katech was not in place when GM took the Corvette...
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    Notice: Time to drill down into Katech's most recent...

    Time to drill down into Katech's most recent statements regarding the "Street Attack LS7" in my '12 Z06.


    It is surprising that the President of a multi-million-dollar corporation that depends,...
  8. Notice: Post here and let us know what condition your...

    Post here and let us know what condition your heads are in.

    Glad you liked the article.
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    Notice: Picking up where post #390 left off... ...

    Picking up where post #390 left off...

    Well...no way was I going to accept Katech's offer, shown at the end of the post above.

    I was unwilling to create any content about Katech prior to and...
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    Notice: My adventure with the Katech "Street Attack LS7"...

    My adventure with the Katech "Street Attack LS7" in my Carlisle Blue 2012 Z06 began in late spring of 2017. The "Blue Bullet" had a little over 40,000 miles on it and I wanted a 600-hp engine. I had...
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    Notice: My understanding is that thread on the CF is...

    My understanding is that thread on the CF is closed for good.
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    Notice: The thread on the CF about my car...

    The thread on the CF about my car has been put back on-line, however, it has been heavily revised. A lot of the posts by interested parties have been deleted.

    I am working on a reply to Katech's...
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    Notice: The Corvette Forum locked that long-standing...

    The Corvette Forum locked that long-standing thread about my Katech engine "adventure" then temporarily took it off-line. This was done to allow CF moderators time to review the 600+ posts for rules...
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    The 84-88 4+3's gear box section, essentially a...

    The 84-88 4+3's gear box section, essentially a beefed-up Warner Super T10 was an ok transmission, but the electro-hydraulic overdrive was a complete POS. Doug Nash sold GM a bill of goods on that...
  15. Hey there- You didn't say what year car this...

    Hey there-

    You didn't say what year car this leaking trans is in, but generally, there are a couple of "front seals" in an automatic. 1) the front pump seal and 2) the input shaft seal.

    In...
  16. My guess is that plant tours at B.G. will not...

    My guess is that plant tours at B.G. will not begin again until C8 production is up to speed and trouble free, so my guess would be April 2020.
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    Help! When it won't start, does it have fuel and spark?

    When it won't start, does it have fuel and spark?
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    The reason you hear it most often after cold...

    The reason you hear it most often after cold starts is as soon as the engine is running, the ECM retards the spark, to heat the exhaust quickly so the cats light off. When the spark is that retarded,...
  19. I know Jim Mero pretty well. I was one of the two...

    I know Jim Mero pretty well. I was one of the two people who, back in late 2017, helped Jim validate his MR cals for 09-13 Z06/Z07. It made quite an improvement to my '12 Z06 in the Sport mode.
    ...
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    Question: Open the driver door. Look at IP display. It...

    Open the driver door. Look at IP display. It says "Corvette" and in the lower left corner, the mileage is displayed.
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    Help! To start the diagnosis, I'd get the car up on a...

    To start the diagnosis, I'd get the car up on a lift or high jack stands and inspect all bolts holding powertrain mounting brackets and check all powertrain mounts.

    Also, inspect the frame around...
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    Help! If you can drive the car for 30-min, come back to...

    If you can drive the car for 30-min, come back to the shop, wait 10-min, try to start then have a no-start condition, I'd say that rules out a choke problem as the choke shoud be open. It also,...
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    You're welcome. Glad to be of service.

    You're welcome.
    Glad to be of service.
  24. OMG that is a freakin' long post. (sigh) I...

    OMG that is a freakin' long post.
    (sigh)

    I suspect you may have more knowlege about the history of the 4 than I do. I was unware there was an 827 cfm version nor have I ever heard of a "DOVE...
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    I would not suggest using a base C7 for track...

    I would not suggest using a base C7 for track activities. It lacks the engine and transmission cooling system capability, lacks the right tires and lacks the proper suspesnion, however, if you...
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