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I have been advised by Autometer to connect power to my electric fuel pressure gauge from a connection that has no power during start (cranking) mode. Can someone tell me which (or if any) of the ign 1 or ign 3 connections (other potential connection) in the fuse block will be unpowered during...

Does anyone know if the TCI horsepower calculator (which uses 1/4 mile MPH and car weight) to calculate a HP number is representitive of flywheel or rear wheel HP? I believe this is an approximation of flywheel horsepower, but I do not know for sure.

I would like to buy an egt amplifier for use with my new power logger. The amplifier I prefer is the one sold by Full Throttle for $35. Full Throttle's item no. is 001EGTAMP. Thanks, Leon

Please have a look at the attached scope log pic of a 1/4 mile run I made last weekend. Notice the up and down spikes in the maf display at the bottom of the screen. I have noticed these spikes in other logs. However, most logs have only 2 to 4 up and down spikes. Most street blasts (up to...

I have a DIY alcohol injection setup that I have used for several years. I use a NOS nozzle located in the up pipe about 8 inches in front of the throttle body. I originally ran the nozzle pointed toward the intercooler. My logic was that if the alcohol was sprayed into the oncoming air it...

I understand how the RJC Controller prevents rising boost from being applied to the wastegate actuator until boost pressure overcomes the set spring force and unseats the ball. Therefore, the actuator keeps the puck closed and spool time is decreased. My question is: does the RJC controller...

I have been chasing the cause for higher than normal blms in my '87 GN. Most cells will go to 136-137. I have NO vacuum leaks and I have changed the O2 sensor. The driveability is fine. However, something has changed slightly in the last 6 months or so. I learned last week that the gasoline...

My '87 GN does not have power seats. I am wondering if the wiring harness for the power seat motors is installed and located under the drivers seat? I could remove the door sill cover, carpet and/or seat to find the answer to my question, but it is easier to ask this forum. If the wires are...

Razor I just read a similar titled thread and your answer made me wonder if your translator hot wire kit may fix a problem which has plagued me for some time. The problem (spitting, sputtering, popping through exhaust at approx 10 psi boost - sometimes setting code 42) is definitely related to...

I have a Vigilante single disc torque converter which locks up fine during normal street driving. I know it is not recommended to lock this converter at WOT but I have tried locking it on the strip at 75 mph via my extender chip. The converter did not lock during the run (which did not...

I have used DS for approx. 2 years and have never had a problem. However, recently I started paying attention to the "distance" record and I see the numbers (feet) displayed are much less than the actual distance traveled. I noticed this problem when I "zeroed" a 1/4 mile run at the start and...

I am curious what the inside design of an accumulator is like. I assume it contains a bladder and trapped nitrogen (or other gas). Can anyone direct me to this information or describe it in a reply? Thanks

1) Can someone describe in detail the inside configuration of the powermaster accumulator bulb? I assume there is a gas filled bladder inside, but I am not sure. 2) How wide (thick) is the vacuum booster of a proper vacuum power brake setup for a Turbo Regal? My reason for asking is that...

I recently made a surprising discovery. Direct Scan data indicated my 87 GN was going 96 mph (in 3rd gear) and the engine was turning 5225 rpm. If I did the calculations correctly (3.42 rear gears, 1:1 3rd gear ratio, 26 in. tires), at 100% torque converter efficiecy my speed should have been...

I have normally run 23 psi boost Maximum. Recently, I decided to increase the boost to 25 psi using my BSTC controller. After making a relatively small increase adjustment, at WOT the boost increases (with time) instead of staying flat. I'm not sure how high the boost would have gone because...

I have just purchased and installed a new product from Caspers (P/N 109086). I have had Ramchargers Dual Fans and a Casper dual relay harness on my 87 GN for 2-3 years and have noticed that when the fans come on there is a noticeable power draw. The description for the Caspers Delay Relay...

I have DS and an Innovate LM-1 air fuel meter. While tuning for a "best" A/F ratio with my Trans+ I decided to compare MAF readings from two different Trans+ WOT settings (0% and 2% richer). These two sets of data were each recorded from 3rd gear runs from 65 to 104 mph. When comparing MAF...

I am considering installing a high volume oil pump conversion kit on the stock front cover of my '87 GN. The kit basically consists of a 1/4" spacer plate and longer gears. The kit's instructions advise removing the front cover for the installation. I believe removing the front cover is for...

I have searched without success to find the stoich of Isopropyl. I found this data for Meth (6.4) and Ethanol (9), but cannot locate the info for Iso. Can someone help me? Thanks