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I have purchased an Innovate PSN-1 a/f gauge. It has a nitrous shut off feature when the system reads a lean condition. I look forward to posting new better pics of the sparkplug after a pass. Thank you to all sharing your knowledge.

A wide band a/f appears to be in my future. Nice set up btw...one of my all time favorite motors. Here is one of my plugs after a few 100 shot blasts at about 5-12 seconds per run. Not sure what to look for. There are tiny orange speckles on the porcelain next to the electrode. Any input...

Reading the same type of posts on how fat the factory jets were is suprising. Why have they not reposted leaner tunes? Is there possibly a safe factor built into the old fat tubes helping keep you out of the lean territory in the event something went wrong? Looking forward to p/u an a/f ratio...

Nice set up. I may move to a similar system. For now, I feel my timing is safe at 30* total using the distributor. Not being familiar with a set up like yours I will have to trust locking down the distributor cor now.

Thx again. I would like to hear how your timing box works for you once you run it.

Wow j par, Mike certainly sounds like a guru. Writing down questions in preparation sounds like sound advise. I will make effort to locate this man and be prepared to listen.

Wow. Another example of how there is so much to learn. According to your data my tech line had me doing it wrong all along. ALL my fuel jets are bigger than the N2O. No chance I wrote them all backwards when I called for sizes. Were we just lucky we didn't burn up the hypereutectic kb191's? It...

Mr. Crackedback Sir, attached picture shows the jet sizes we ran on our old kb191 motor. Many bottles were ran through it until excessive bearing clearances forced us to pull it b4 it blew. All jet combos show larger fuel jets as recommended by N2O technicians. I want to understand more and...

Ok, Got Em. Quite the different electrode position. What plug gap do you recommend with my msd parts?

Here is condition of my #1plug being used b4 the spray. I will get my hands on cooler plugs such as the NGK's you mentioned. TY as I did not know to run a cooler plug.

Got it. I will check my heat range comparatively to NGK -9 OR -8.

I have button on my shifter

TY looks like alot of help you received. I will read more carefully once my work tasks are caught up.

Here's the other side.

Here it is.

Gr8 point. We are running holley 12v high pressure 110 GPH pump with 1/2" fuel line to a regulator / splitter.

Many thanks. I'm thinking I will start at 28* then. Wow. huge difference for your old nitrous motor. 11.0 is fast imo. 13.8 pretty good too.

Mr. flyfish, I am currently at 36* total. Respectfully, pulling 2-4* would put me at 32* to 34*. Can I have that much timing and not damage my kb 107 hypereutectic pistons? Another question...were you running forged pistons in your 8 year success motor? TY!

thnx again j par. I will look into it. It would be gr8 to leave my timing where its at and have the box shown retard it electronically.

We are surely in the lower spray category. My piston choice, I learned, have the potential to break the top ring land under extreme punishment. KB assembly guide gives recommendations on ring gap depending on your use from tight to loose when filing your rings to fit. I believe I chose...

TY j par, I will look into the potential addition of the timing start retard. For now we are giving the distributor a twist. I believe they make an msd box with that built in. I'm just not familiar with that one at the moment. Again, still learning.

Thank you oldkimmer for your input. I am learning as I go. Doing research on this and looks like I will be pulling my plugs and learning to read them after a pass.

Forgot to mention ring gap....I did not get quantitative # for distance of ring gap when my engine builder assembled it. I did request like 4x to use the maximum gap option when custom fitting them. Judging by the amount of blow by my motor makes at an idle I believe top ring gap is adequate...

Hello FABO its been a while. My Dart is back on the road!! Looking for technical advise on retarding my timing for 100 shot plate system. My engine, while freshly machined, has enough run time imo to introduce spray. Would like to know where the safe zone is. My set up: 73 swinger @ 3,240#...

When the transmission was mated to the motor I did have to slide the converter forward to contact the flex plate. I thought it was engaged. Read the instructions, did the 3 clicks in and so on. Real bummer.

Ok. Transmission is getting removed. Are the lugs being sheared something that I can check / repair myself?

Wondering if there is a way to re engage the tc without removing the transmission. Lugs on inner gear gone? Not sure about those. If it must go back to the trans shop as result of my own hand so be it. Real bummer. Any chance of there not being any damage? Motor has break in time and about...

This is what I've heard from other sources. Is there a remedy that does not include removing the transmission?

Here it is. I have a 727 rblt by local shop using kevlar bands, rev man valve body. All transmission lines are dry. I took off the forward fluid line and started the car in neutral. No fluid comes out in any gear when running. I have a new Hughes 4000 stall. Car is on stands and wont turn...

I had summit send set of lakewood 40101 90/10 drag shocks but 2 problems exist. 1. Shocks had different valving. One pulled out very easily and the other had extreme resistance. 2. Bottom doesn't fit my eyelet style mount. There are flat tabs on these. Does anyone sell 90/10 front...