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Hi Guys, I am using a 44 mag with a 8147 box, the one with the rpm module slot, and a 7730 Grid. In the Grid settings I have set Burnout, Launch...
Need some assurance, I want to remove my high-speed with a check valve and run only on the main jet. Currently my high-speed has a 0.065 jet...
I need a soft launch to hook up my jet boat with a blown alky motor. In the past, we used a rev limiter curve at the launch and was told that I...
I am trying to setup the Launch Retard screen. When I click on the Ignition Timing vs Time from Launch screen all I get is this message:...
Hi All, My question is: can the Grid ignition switch be on when I attempt to start the motor with the cross-over switch in the mag only position...
Using the Grid with a 44 mag how close can the Grid be to the box and coil? Thanks in advance for the info, Joe
Question: Do I need a kill switch solenoid with my 44 mag and 8147 box setup? Currently, I am using a Digital-7 (7531), MSD red coil, Crank...
I warm up my motor by leaning it out using the fuel shutoff valve. I recently did a leaked down on the motor and found all the cylinders were...
What are the advantages of a Power Grid controller (7730) over my Digital-7 (7531) for my 44 Mag and 8147 Box setup? It appears that they have...
I have a question on how do you set up several lean outs at different poppet pressures to arrive at a smooth AFR through out your RPM range? With...
What is a good rule of thumb for a main jet change if you go up or down 2 teeth on an 8mm pulley change with a 14-71 roots blower on a 548 in3...
I am trying to reduce my #3 and #8 high idle temps in my blown alky 548 BBC, PE drag boat motor. They are running around 700 deg. The motor has...
I have a BBC, Dart Pro-1 heads, 11.3 comp, 110 pump, 14-71 Littlefield blower and buzzard hat (~1800 HP). I'm currently using .842 Morel lifters...
We are all told to allow .060 to .080 for aluminium rod stretch when building an engine, but did you consider the increase in compression ratio...
What is the best way to find your correct AFR for your setup? I was told to change your blower OD by two teeth and leave your fuel alone or...
Please help with my base line tune on my 565 ci BBC. This is what I have: Big M Dart block; 11.1 cr; 14-71 HH Littlefield roots blower;...
Anybody using them? Pros and Cons.
I made 57 passes on a set of aluminum rods when #7 or #8 failed on the line. My setup is a 565 BBC with a 14-71 roots blower and a 44 mag in a...
I broke my BBC Big-M block; #7 and #8 rods left after 57 passes on the rods. I am now pursuing a new block with same setup; 10.2 deck and 4.600...
I'm trying to better understand the MSD 44 Mag. Here are few questions I have: 1. Is the correct timing position of the rotor right before it...