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  1. Replies
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    Thanks Dave, I will let him know to look closer...

    Thanks Dave, I will let him know to look closer at his knock sensor setup.
    He says he doesn't have one, I don't know what he has as far as a harness is concerned.
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    Thanks for the reply Dave. It's an EBL modified...

    Thanks for the reply Dave. It's an EBL modified stock ECM on a tuned port injection.
    That was the first question I asked if he had the knock sensor hooked up.
    I don't know the software or stock...
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    ECM pulling timing

    I'm gonna apologize up front. I was talking with a friend that was trying to figure out how his ECM was pulling timing under certain load conditions. I told him there has to be some kind of...
  4. I would always keep some dummy base tune files to...

    I would always keep some dummy base tune files to go back and check settings when things get all out of wack. Holley usually has decent base tunes for AUTOMATIC transmissions. Most guys with...
  5. Yeah he means volumetric efficiency table. Holley...

    Yeah he means volumetric efficiency table. Holley calls it a base fuel table. The new one is in injector pound hour not sure about your software. I think he is trying to tell you to check your table...
  6. I will take a stab at this... I know Holley's new...

    I will take a stab at this... I know Holley's new software not the old 950 ecm.
    First, when you say it is going lean, at what time when you shift? My knee jerk reaction would be to say it would go...
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    Hate to bring this back up after it has been...

    Hate to bring this back up after it has been sitting so long, I ended up running across this cam that I got from a friend.
    http://www.lunatipower.com/Product.aspx?id=1987
    It is a little less on...
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    Yeah, I read a few builds using them, in one...

    Yeah, I read a few builds using them, in one article they used the 200 then the 170. The 170 made more TQ and 30 to 40 more HP.
    So I am using that article to try and convince me not to sell my...
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    You are right I forgot about them, It was the...

    You are right I forgot about them, It was the original head I was looking at till started considering replacing my intake to shoot for heads that flow more CFM. However now I am starting to realize I...
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    383 Build Discussion

    Yall have helped me out in the past so if you don't mind me asking a few more questions to open up a discussion about a 383 that I hope to build.

    So to start off I am having trouble picking a...
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    This is easy to do in Holley's new EFI systems...

    This is easy to do in Holley's new EFI systems and software.
    You adjust your throttle blades till the system balances at 2% at idle, the ecm learning will adjust the base fuel table to the Air Fuel...
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    Hey Fast, I have been thinking. would a cam...

    Hey Fast,
    I have been thinking. would a cam like this help low end vacuum and help me regain some of my table and still retain some of my high rpm?...
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    I am running a holley stealth ram on vortec heads...

    I am running a holley stealth ram on vortec heads with their HP efi system. I got a smoking deal on this system used. They are extremely pricey for my budget. But with that being said I believe they...
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    Wow, I didn't get a notification that you...

    Wow, I didn't get a notification that you replied.
    Thanks again for all the advice. Yeah I don't see that point of changing gears, I like to be able to get up to 80+ MPH sometimes and that is...
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    If you had to hold the throttle blades open to...

    If you had to hold the throttle blades open to get the engine to start I would think that would indicate your engine needs air (rich?).
    In my aftermarket system you have options to increase or...
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    I always wanted to learn more about engine...

    I always wanted to learn more about engine management and have an aftermarket system (holley). In the short time that I have been learning (last 2 years) I actually feel like I accomplished something...
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    Thanks for the reply, I guess that pretty much...

    Thanks for the reply, I guess that pretty much narrows it down to my cam.
    And if I understand you correctly, When I decide to change my cam. You give me a pretty good reason to convert my 8 pin hei...
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    Thanks for the replies, Is the best way to find...

    Thanks for the replies, Is the best way to find were you get to a lean cruise sweet spot is with EGT?

    This is what I am wondering. I cant really get below 65 KPA cruising... I am assuming that is...
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    Ok. I appreciate the advice. Yes it is a wide...

    Ok. I appreciate the advice.
    Yes it is a wide band O2. I did notice with the plugs that My o2 appears to be on the rich bank. So I added a few points across my table.
    Then I started thinking about...
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    Cruising Air fuel ratios.

    I appreciate yalls help with timing, and have made some progress. But I have a question about air fuel ratios.
    In Holey's software you can set the air/fuel ratio table. Then it has a base fuel and a...
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    Yeah, retro rollers are hi-high! Not going to...

    Yeah, retro rollers are hi-high! Not going to pull my engine down just to try to modify for stock rollers even though it doesn't look to hard to try... So unless I can find a flat tappet cam just...
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    My motor seems ok right now with .470 lift on it....

    My motor seems ok right now with .470 lift on it. I didn't know to check the stem seal clearance... However if I was to find an lt1 cam, running 1.6 rockers .490 on exhaust would probably be an issue...
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    Just looking it is nearly impossible to find an...

    Just looking it is nearly impossible to find an inexpensive lt1 cam substitute...
    My motor isn't exactly a top notch build... but I can definitely see the merit of putting a cam in that would allow...
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    Ok so I guess I should rephrase my statement, If...

    Ok so I guess I should rephrase my statement, If you are shooting for above say 350 hp then it is best to have more lift and less duration and less overlap to create more vacuum and increase torq to...
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    Thanks for the welcome and this is my beater... I...

    Thanks for the welcome and this is my beater... I have had it since I was a teenager... prolly never going to get rid of it!
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