Holley/Demon Carb stumble

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It will be here Wednesday.
It comes with main jets....Do you think i should start with them? Even though i Race at 6600 feet?
skrews Wrote.
Yes, and drop down if needed. The carb I have with that main body was spot on with the supplied jets.

I should have just left them stock main jets that was supplied with the main body!:BangHead:
For those that don't want to listen to all my mumbo jumbo, I have to clarify a few things before you watch the the videos.
First,.. first video, is as set up last night(carbs).
2nt video is after i upped the jets. Then i video the launch from the rear, and then from the front.
sorry you will have to wait for the next post to view the videos as there still up loading as i'm typing.

Ok so the first launch it bogged Hard! I'm blaming it on a cold eng as the temp needle has just started to move off of cold. And it never stumbled again all day.

My 2nt launch felt great!!! but, just seemed lazy after that. going down the track BUT NO popping banging backfiring, whatever you want to call it. So that was a plus and i knew the spare 600 was going to stay wrap up in it towel!

So after loading the video up on my laptop, i decided to jet it up 2 more steps AKA the stock jet the proform came with.
felt much better but no Change in et or mph. However the first runs were at 8920 foot adj altitude. after my jetting up, the altitude when up to 9532. My last run of the day it was at 10,269 feet:eek: My mile per hour was down 1 to 1 and a half mile per hour all day long.85.2-86.1 The last race, were the air stayed the same at 7960 feet my mph was 97.xx all day long. it was in the 60 degrees all day and today it got up to 97 degrees were my camper was parked.

I have a stall light that has been set at 2200 for years. today i turned it down to 1600 and that is what it was at when i put the GoPro back under the car.
That part of the video, i did a normal and a slo mo of the launch. from the driver seat it felt like it scratched off of the launch. but i don't see any in the video.
What makes me feel good is that the bite on the track was **** by this time and a scratch was all i got!!!!!!

And those that don't read down to here.......I will know:D yes that is Header Wrap dangling and dropping behind me.
One of the things on my list that i didn't have time to fix. Didn't realise that it had unraveled that much until i watched the video:rofl: A WOOPS!

And last, Sorry about the Ricer Footage:D