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Why is that considered a screamer gear? If my math is correct 210 mph w/34" tire = 9000 rpm?
No luck with contacting Racepak. Thanks for the input, I'll start looking and thinking.
Mike - it is a dragster, blown KB, no tire shake
Mike - This is not a new install, unit has worked great in the past. Racepak V-Net 300, unit does record ok in the pits @ idle and quick blips to...
Downloaded the data, but had spikes and not all channels recorded. Shifted by the light, but the RPM data recorded wasn't even close. The only...
Thanks for the input guys, I had been thinking about the gear but not the plug gap. Have a 4.30 gear at the shop so will give it a try. Oh! the...
Top Dragster class - chance converter in front of a b&j three speed -, with a 3.89 rear gear & 34.5 x17 x16 tire. Yes, in high gear just prior to...
Every thing seems to work reasonable well up until about 600' and then it is just lazy? 1.0's @60' 4.27' @ 660' but only 6.80's @ 1320' - 1900#...
Have no idea, but it dose not looking like my B&J. It looks more a primary input section than a reverser, I didn't see any shift lever. Sorry!...
Had a S/C dragster with that set-up, 7AL2 with a crank trigger. Like Don 30 - 32 degrees. 7.90 no stop & 8.90 on the stop.
Mike, I'm talking about a vacuum pull on the combustion chamber. Install the plugs and pull on the chamber, get both valves at the same time. If...
Been told you should check the chamber by seeing how much vacuum you can pull, not hold but pull. Any info on this process? Tks Pmoore
What are acceptable numbers for a blown hemi, if you do a leak down? Has anyone pulled the heads and leaked just the chamber to see what the vales...
Run a B&J three speed with the Quick Drive and a Chance bolt together converter in a T/D. Not a lot of runs but like, it has the air over...
Thanks for the information, I'll check it out. Pmoore
Which manufacturer of valve spring is recommended on a blown hemi? Any input would be appreciated.-- Thanks!
Thanks for the info. I was thinking 380/400 would be ok. Just looking for input based on experience. Thanks again
This a top dragster, not going to rotate the world and don't want to change parts every weekend. Titanium valves (don't know the weight), cam-x...
What is the recommended spring pressure (closed) for blown hemi, 32psi boost? Feed back would be appreciated - Thanks
For what's worth -- I talked with racepak today and they indicated the temps would be 200 - 300 degrees cooler. No hard data, just a best estimate.
