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About turbogrill

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    Austin, TX

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  1. turbogrill

    L30 non stroker

    I guess the reason they suck stock is that it was hard in the 70s to make an engine that could work crusing at 1500 rpm and also perform well at WOT 7000 rpm. The L28 is very simple, 2 valves, single cam, single plenum intake, very basic computer (or carbs!), simple ignition etc. Head design is an issue with L28 and high HP. If you compare a stock L28 head to a modern say honda K head they flow very different. Lots and lots of work needs to go into the head to make it it flow enough for >100hp. The intake also sucks so you would have to do something about that as well. Not to mention computer. Rod/Stroke might be a problem but there are other issues to address first.
  2. turbogrill

    Megasquirt 2 L28ET wont idle

    I would recommend to post logs and maybe Chickenman could comment on those. Sounds like your timing is wrong as well. Could you run the stock timing? It's always good to get fuel only working first.
  3. turbogrill

    86.5mm L28 piston rings

  4. turbogrill

    Help with L6 Harmonic Balancer Size for L28ET

    I asked ATI " it’s high HP up around 1000HP I would recommend the 7” version P/N 917800."
  5. turbogrill

    Help with L6 Harmonic Balancer Size for L28ET

    There has been a lot of discussion about what brand but not what size, to summarize: BHJ Dampers: Close stock replacement but most expensive. ATI Dampers: Needs different fan belt (very common has the autozone part number somewhere). Slight underdrive so alternator might not charge on idle. Note that this has nothing to do with size. Reading the chart they have, it seems like race is bigger than street. Rebuilt stock damper: Cheapest but good alternative if not race and modest rpms. Everything else seems to be a bad choice.
  6. turbogrill

    Top End Performance - Chattsowirth, CA

    Check out Datsun Spirit as well. I bought a strut bar from Top End Performance, was ok but not great quality. I have heard they are not the best to deal with and expensive but I had no issues with them.
  7. turbogrill

    Ignition Control Options

    Did you make that mount? Looks very nice, did you cad something and then used someones CNC machione?
  8. turbogrill

    Ignition Control Options

    Maybe replace the stock coil with a msd unit?
  9. turbogrill

    Ignition Control Options

    I guess that this will not give you the accuracy of a trigger wheel. At higher RPM the dizzy is a bit inaccurate, at least so I heard. Never have any hands one experience with dizzy and high RPMs. Take a timing light when you run at 5000 RPM, it jumps all over the place. Not sure if that is the timing light being in accurate. But probably much better than just the dizzy. Do you plan on dyno tune it? Mine is a track car so it lives in high RPM and high heat, so good timing control is important. For a street car with less high RPM usage it might matterless. What RPMs do you see?
  10. turbogrill

    Ignition Control Options

    Nice!!! All of it
  11. turbogrill

    Ignition Control Options

    I have never used Megajolt but have some of their other stuff (Racecapture pro) and I am happy. Support is pretty good and it seems to be high quality with expensive high quality components and designs. I found there software being a little behind their HW, it still works but you can tell Steve Jobs didn't design it. What CoP coils are these? edit: I find it annoying that there aren't any cheaper trigger wheel brackets. $200 bucks is a lot (I am sure it has to do with low volume, but still).
  12. turbogrill

    Ignition Control Options

    VW wasted spark coils are cheaper than LS coils, works the same with being logic coils. Probably lees oomph but not sure if it matters on NA builds, still 100x better than Zx dissy. I assume your new engine will be carbs? To trigger coils you need: - triggerwheel on damper - some bracket with sensor - computer, megajolt or ms2 Not sure what coils megajolt works with, think its common with the ford EDIS
  13. turbogrill

    Harmonic balancer fell off

    I thought the broke off ment that the runner broke off why do you need a new valancer then if it didnt break?
  14. turbogrill

    Harmonic balancer fell off

    They are known to fail. Just age I guess. If you find a stock one you can have it rebuilt for $100 or so by damper doctor. Otherwise BHJ or ATI is your best bet, people have had issued with the MSA powerforce ones. But maybe that is fixed
  15. turbogrill

    Budget build ZX

    Not sure, mine had. Send them an email, they helped me with questions. I ordered from speedwaymotors.com, I would email them as well to make sure you get the correct wheel. Can't remember if I had to pay shipping. Summit racing doesn't have shipping but they don't sell them I think,