Best way to test nitrous
Last edited by rippenhard; May 8, 2006 at 01:16 PM.
I know nothing about t56 plugs but i know of the T56 M6 transmission
What you need is NGK TR6 Plugs, be sure to install those plugs because stock heat range plugs can destroy your motor on spray. check my sig quote, guess it's that time of year where everyone is changing them out!
i changed my plugs to TR6's yesterday on my birthday!! that was the 2nd best birthday ever! (first was when i was at the drag strip watching pro outlaw!!)
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1 Change the plugs before you spray, TR6 gapped around .038"-.035"
2 Disconnect one of the solenoids from the system, with bottle open, and nozzle outside of the ring, key on, arming switch on, trip the WOT Switch manually, with your hand, Nitrous should shoot out. Now hook up the fuel noid, and d/c the N2O noid, and repeat, holding a rag over the end of the nozzle so fuel doest spray all over the place make sure car is running for this one (dont crank the throttle, just reach down and trip the WOT switch. Fuel should spray out like a **** (might want to place nozzle in a plastic bottle to catch it all, its way cleaner). Hook the noids back up and your set.
3 Go to your testing area, do a WOT Blast, wait til 2nd gear and activate the N2O system, let it spray for a few seconds. If you can log, do so, checking Advance, KR, RPM, MAP, MAF hz, etc.. If not able to log, as soon as you shut the nitrous off, turn the ignition off, pull a plug, I suggest you pull #7 and 5, those are the two leanest cylinders. Read the plugs and adjust as necessary.
Have fun.
Charlie
The Best V8 Stories One Small Block at Time
With a cool engine (done it hot at the track and dont appreciate that):
A DC the coil pack connectors
B Pull the drivers side plug wires, and start the passenger side by pulling wires of the coils not the plugs.
C Remove the coil pack bolts, 10mm deep socket 1/4" drive**
D Remove the drivers side coil packs, then finish pulling wires off pass side plugs
E I use a spark plug socket, with a 13/16 (I think thats the size) tpaed onto the hex end of the plug socket, and then a 1/4" to 3/8" adapter with 1/4" ratchet. Fits down b/w the fender wells easy and provides enough torque to do the job. I just cant seem to get the plugs from underneath route, but like I said everyone has their own technique.
F Gap plugs. Ensure the little caps on the wire end of the plug is tight, I check and tighten with pliers, if they come loose they can give you some misfire. Use a dab of Anit-sieze on the last half of the threads and install. Use Dielectric grease on the porcelain of the plugs and the stem of the coils to ease removal next time. There will be a next time

G Install the pass wires onto the coilpacks, slide coil pack back in at an angle ( rear facing the plugs, front facing up) while tilting it, connect the #8 wire to plug with a single click, then #6 same, then set the coil pack back into place and I only use two of the coil pack bolts during install. Theres no way I need to scrape the hell outta me arm reaching under the cowl again. Been like that for 4 yrs no issues. After that, do all the wires, double click on the coils, and single click on the plugs, connect the coil pack harness.
If you have the AIR and or EGR, simply remove the 10mm Bolts and gently tilt to one side as you lift off to prevent the graphite gasket from becoming unusable. I use a good extension with swivel 10mm (not a universal, but might work) for the emission tube bolts. Use anti-sieze on them during install also. Remove the emissions first and install last if it applies.
Biggest issue we see time and time again on here about plugs..." I have a misfire (or popping, stumbling etc) and I want to spray....." I hate to say it but go back and check all the plug wires. I always go to #8, the bitch wire first as its usually the culprit. There has to be 2 clicks for the wire to coil, and 1 click wire to plug. Also the caps, again that little cap if loose can create a bitch of a time. Most ppl will go back and check the easy ones, report in saying they checked their plugs and wires all is good, what could it be? And then we all jump in there and tell them the deal, its most likely the #6 or 8 coil/wire/plug deal. Then we dont hear from them on that thread anymore, as they actually go and check it out and realize thats what they should have done the first time. Embarrassing, I guess, but we've all done it. Have fun and just enjoy the time spent with the car.
and long live mod CAT3 for being a kick *** mod!!

