Travel'n Man

This may help with your quest http://www.classiczcars.com/forums/open-s30-z-discussions/52059-whats-smell-exhaust-fumes.html

He may need your header (if you are going to use one) to get that exhaust ported and polished. Are you going to go with a lightened flywheel and a larger exhaust - what kind of carb system? If I had it to "do over" I would step up to a stage 3 and would have stroked it. It's kinda like building a house - once you have spent the time to design it - blueprint it - build a replica 3d model and get it erected - then you find the obvious things that you would "do over" again.

Porting and polishing will help - it adds time to the build to get everything ground down but I'm sure that will help achieve your goals too.

I have my local PPG location mix - do you have the mix numbers? Can't promise it will work for you...................

Excellent! Thanks for sharing - I'll get one on order!

Mike - How did that kick plate attach?

Installed performance pedals

Not a lot of conversation on this one but I just completed an install and really topped of my interior nicely. Great foot feel - the rest, brake, and clutch as a very aggressive topping - the gas pedal more smooth. Very high quality and several styles to choose from depending on your spend for this mod. nissan 240z Racing Pedals Easy install - remove - tape - mark - drill - install. I did cut off approx 2" of the gas pedal metal to shorten up things a little. Install time was about a little over an hour. Not sure why the gas pedal was designed so long but it was not needed that long IMO. Shipping was approx 3 weeks - made to order.

If you are wanting 200+ HP - you need to change crank and stroke it. My cay dyno's close to 200 but with a N42/42 combo - I don't believe you will hit your HP goals above without changing the crank. Don't get me wrong - my horsepower is plenty of fun for me and keeps me out of trouble - but - if I had it to do again I would put a little more $ into it and get 3.0 or 3.1 out of it and change the crank. Keep us posted with your updates

.......we played on the computer

Ken- Have you dyno'd?

Ken - Tell us about your build so we can keep up with your tuning. Pics are always welcome!

15-16 is way lean at idle - and IMO 11.5 is too phat - your plugs will be black with soot.

Here you go - great improvement as well http://www.classiczcars.com/forums/carburetors-s30/30584-accelerator-linkage-fix-questions.html

Just remember when buying your jets they come in two different head mm sizes. If you buy anywhere other than Todd - be sure to tell them you want the smaller mm size Here is what I have collected so far: Main Jet Pilot Jet Air Jet 140 57.5 200 145 60 195 150 62.5 190 155 65 185 160 180

I'm happy at 13'ish........I was in the 11's and 12's but my plugs were black. I'm happy on the phat side without black plugs!

Ryan - zKars gave you his setting and both you have the same set up........unknowing about cam. You may want to start with his baseline setting (one he posts his ARF - or a pic of his plugs) in yours and start fresh. If you pull your plugs they are going to look very black due to the extreme fuel being dumped on them. You are loosing the 3.1 performance that your engine has to offer. Keep us posted on your results.

Here is an example of my worksheet - I can not figure out how to post a spreadsheet to this site: As you see I was still a little phat on this setting with my Main Fuel/Main Air Date 7-Jun-14 Main Air Jet (Higher number = Leaner Mix) 200 Main Fuel Jet (Higher number = Richer) = HIGH SPEED 145 Pilot Jet (Higher number = Richer) = LOW SPEED 65 Pilot Screw (Base Setting 1.5 turns out) 2.5 Venturi Large 32 Pump Nozzle 0.40 Bleed Pipe T Jet Block 8 AFR @1,000 RPM Warm Idle => 13.5 AFR @ WOT @5000 RPM => 13.5 AFR @ 35 MPH - 3RD GEAR - even pull => 12.6 AFR @ 60 MPH - 4TH GEAR - even pull => 12.4 AFR @ 60 MPH - 5TH GEAR - even pull => 13 Spark Plug Type => BPR6ES-11 Syncrometer Balance => 4 Spark Plug Condition => GOOD - DRY Notes Starting => EASY Exhaust Smoke => SLIGHT Fuel/Exhaust Smell -> VERY SLIGHT Backfire => SLIGHT - ON DECEL Low Speed Power => GOOD High Power Power => GOOD

Pilot Jet => 0-2%% throttle - cruising - low end power - (higher number equals richer mix) Main Jet => 25-100% throttle - Adds or removes fuel from the entire RPM range - (higher number equals richer mix) - top end power Air jet => Larger the air jet the more air coming into the Mikuni = (higher number the leaner mix) Pump Nozzle => Larger the Nozzle bore size the shorter duration of fuel into the system Pilot Screw Setting => This is not an AIR adjustment - this is the adjustment for the amount of fuel/air mix going into the carb (Clockwise = LEANER / Counter Clockwiser = RICHER)

Ryan- I use a good ole' piece of paper in the passengers seat. It will take a lot of different settings to find the best one for your AFR. I would start by leaning out your pilot since you are running a high AFR at idle. Only make one change at a time and log it on your chart. Then (depending on your results) move to your air jet - you may need a little more air...........log that, then move to your main fuel, which sounds like you will need to lean out (go to a smaller size). When you go to different jets only drop 1 size at a time. Don't go from a 65 to a 60, too big of a jump. Over the past 2 months I have tried about a dozen setting recording all of them on a spreadsheet so I can keep up with the different combinations and the AFR results.

What is your AFR at idle, 35 and 60, and WOT?

Do you know your spec's on your set up? Sounds like you need to lean out pilots, and fuels. Let us know what jets you have. Be sure to log all AFR with your data so you know where you are and where you are going.

I am moving back to a colder plug - just by one notch. My plug strap is showing signs of dark coloration at the very bottom of the strap where it connects to the body of the plug From: BRP5ES-11 To: BRP6ES-11

My son and I went to ZDayZ 2014 this year at Tail of the Dragon (my 240 and his 370). Car ran great there but on the way back I fouled out a spark plug. Car ran like crap - pulled off the side of the road - changed all the plugs out real quick - saw the fouled one. Ran great after that. Still not sure what fouled out that one plug. Have you pulled and inspected each of the plugs?

Fuel Pressure? Regulator OK? Timing? Have you checked you fuel filters / screens?