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  1. GN7 On the Dyno
    I have a 454 with a solid roller cam of unknown make (engine is assembled and installed), 990 heads, iron block, with 1.7 rockers valve lift at .600". This creates a bit of an issue determining what to set the lash at since I've seen anywhere from .014/.016" for tight lash cams to .028/.030'...
  2. Jet Boats
    May 15, 2015 Hello People The NJBA has changed how the ET and MPH are set. :)Unsure The ONE TIME over the speed limit used to set the records is now disallowed. There are more undesirable penalties too, check it out at the Schedule, Points & Results Willis
  3. Jet Boats
    I want to set the timing on my 460 and was looking for some ideas. I thought of trying to make some hard pulls on the lake and while my son is driving and working the throttle, I could be at the engine with my handy Harbor Freight stethoscope listening for spark knock. I will adjust at idle. Any...
  4. Jet Boats
    Hello all, I am in the process of painting my '77 Cheetah hull and preparing to re-install my intake grate. I have seen that many have used Sea Goin Poxy Putty over the years, but have seen that some folks have been having problems with it. - I was curious if there is a better product to...
  5. Greg Shoemaker
    So I am doing the scary intake swap to install a ride plate and shoe. I managed to remove the old intake with out to much drama, but now comes pulling hair out time. So i picked up this intake used with a flat cut tapered shoe measuring 1/2 inch to 3/8. It was originally in a Gulwing hull if it...
  6. Jet Boats
    So I am doing the scary intake swap to install a ride plate and shoe. I managed to remove the old intake with out to much drama, but now comes pulling hair out time. So i picked up this intake used with a flat cut tapered shoe measuring 1/2 inch to 3/8. It was originally in a Gulwing hull if it...
  7. GN7 On the Dyno
    Bit by bit I am piecing together the new engine. Got the short block...just got the lifters from Straub...hope to be able to get the heads and cam next month and hopefully sell my heads in the mean time. My uncle went to EFI a few years ago and gave me his carbs from his set up (2- boost...
  8. GN7 On the Dyno
    thought this was pretty good: 278/284 @ .050, .780 gross lift Set the lash before the 4th July weekend: set at .024" cold three day weekend put about 110 miles in the engine. Went back last weekend and put a bit over 30 miles on it on Saturday. Decided to run the valves tonight and 15 of...
  9. Greg Shoemaker
    Greg or anyone with the right answer if there is one,what is the setting measurement or specs on how far to set my engine back in my pickle fork ,for the best performance or should i leave it alone,
  10. Jet Boats
    In preparation of setting the intake in my ol' mans 21' daytona, I did a few searches and came up empty looking for any tips or tricks. To some it may be a simple job, but to others who haven't done it before (myself included) it may be an intimidating task. The boat has never had an intake in...
  11. GN7 On the Dyno
    I recently purchased my first V Drive a 70 Stevens with BBC Tunnel Ram with 660 Holley carbs. I`m going over the boat this winter & will be rebuilding the carbs. Before I tear this down I discovered that the slots on the carb shafts for the secondarys have been modified. I believe this was done...
  12. PB Open Water
    I've always used the Blackstealth setting, since I find it much easier to read. A few days ago I logged on and I have the standard (blue) setting. When I click the 'Quick Style Chooser' at the bottom left of the page, it does nothing. There are no format options. What's up? Jocko
  13. Jet Boats
    I bought this 80 Haskel tunnel, the intake setup sucked, well actually the whole boat was completely jury rigged, I now have an empty hull. So far I have filled all the holes on the rails. Is there any info or article on this sight that covers filling in the hole and doing the glasswork for...
  14. GN7 On the Dyno
    Ok I am running a BBC 427 with a 6-71 blower, and 2 750 CFM Holley carbs. The boat has never had a fuel pressure guage since i've had it, so I installed a liquid filled holley guage. At idle,( 1100 RPM) it reads 6 psi. Can someone tell me what it should be. i have been told between 7-9 psi is...
  15. Jet Boats
    So I bought this Haskel tunnel with a dominator pump and a 427, I would like to sell the 427. The boat is complete and has a beautiful gel coat but needs glass work and regelled on the inside and the wiring was a joke, it actually has wire nuts on it. It also actually had garden hoses on the...
  16. Jet Boats
    I backed my H.S. Roller rocker arms last fall on any that had tension. I have to re set them. I've never done it. I do have the proper tool for the job just want to make sure there is no real trick to it.. 1 Roll the engine over by hand until the intake valve just begins to open and then set...
  17. V-Drives
    Does anybody know the proper plate setting for a four strake bottom revenge flat bottom hull ? if so please reply no guess work please thank you, Jim
  18. WFL Crew
    This was something that Tint,HPJ,I and others talked about yesterday! Ride plate settings! It is understandable that some of us or all go off keel set at 0* and set all the hardware from this point! This is the way alot of us do it! But, lastnight I did some checking and if you are running a...
  19. Jet Boats
    was thinkin about moving mu pump back what kind of performance can i expect from this
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