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I have not read all the comments sorry if redundant. NOX is a buy product of combustion temp. The carb if really lean can cause this but lean is the direction of smog fix these days and back then. The EGR valve is the direct fix for NOX on that engine. Also the cat but EGR is what you need to...

yep off thread but i 100% AGREE HERE. im tired of that old argument. long rod motors add power but do more especially reliability.. good call. i had to edit it here cause i forgot to mention the 225 slant has a rod ratio almost the same as a 350 chevy if i remember right but he loves the ratio...

this is the facts right here. The saying i here all the time is chevys are cheaper. the come back for me is whats cheaper stock or modified cause you have to spend alot on a chevy to beat my mopar( and the point of the thread chevys have better exhaust ports obviously there are a ton of reasons...

Im referring to the UTG... as far as pics this was about 6 years ago i did take some pics so ill have to find them if i can and ill share. By the way you aint no newbie.

agree again and to add this is less about bashing UT its trying to get the truth out there so that others are successful on what there working on. Im sure i could have found more channelsw to bash but this vid smacked of misinformation.

Agree 100 %

well good then we can agree to agree to disagree. all good here cheers

50% at best. My problem is that i dont have time to research all that false information so when is see it i stop watching. the reason for the rant is this reason. But it was because a good friend came to me asking me about what he had seen so I watched and yes i got overboard i guess but im not...

This is a (within reason) type answer to your question...I dont know witch one would be max lower ET in this case i would do the exhaust first but in my way of thinking this is 2 mods. header, dual, but i would never build this way if i was going for performance of any kind because a port cant...

No i do not but i dont agree with you either. the port is not garbage but it is poor in my way of thinking. there are worse. the map gas example is a garbage not poor

this is true Rumble a lot to be gained here but my test @273 CFM was done with only the pinch area polished and these numbers are unattainable by a chevy casting of the same vintage. with the pinch cut out *** much as posible without any mods i have gotten 280 CFM these are very similar numbers...

this post is not about intake its about exhaust. the intake is more important then the exhaust is for performance.(within reason). thats why i bring it up if it was just exhaust and that was it then leave a 2 barrel on your 318 and your good to go. flow numbers are a response to someone in my...

the biggest advantage as far as flow goes on 18 degree is un shrouding valves. Its also easier to achieve more compression without a dome. that being said un shrouding a chevy head if you could to the max will not let it flow sbm numbers. that is taking in consideration port angle, cross...

sorry your wrong do your I guess its were you get your info from my head testing shows 212-220 on mopar J casting intake and on fuelie 292 heads i get 190-206 averages ill believe my stuff thank you

I shouldn't do this but I cant help myself. Someone just posted a vid on youtube explaining why small blocks are so good. Folks this is the most inaccurate vid I have seen in a long time. Small block 340 and 360 head have poor exhaust ports and good intake ports. The intake port is a large...

give me a dollar and i will turn it into a beer

this is my channel more to follow hope you like them

oldiron440 you have hit it right on the head i would say your grand kid is lucky to have you, thumbs up to you for caring and passing the Passion on

thank oldmanmopar...me too justme... ill take that as a complement oldiron440...your welcome perseus

i have seen many without them

this very well could be it but i dont think it would all of a sudden happen with valve lash. that would be gradual in my opinion but you might have it. im working from the just happened new angle so that being typed look for a air leak of some kind like a pcv hose or leaking power brake booster...

im going to guess that a piece of dirt or garbage has gotten hung up in the idle circuit causing it to run a bit lean.in park there is no struggle to idle but in drive it would struggle and idle kind of choppy

is this a new problem

hey IQ52 have you ever turned the pistons around test for the gains i know it would be small gain but i always wanted to know. i know smokey talked about it a bit

i have done both of these the spring and the snubber i thought the spring was more flexible but the snubber was easier when you wanted to eliminate quick but both worked well

working with vacuum advance... this doesnt work at WOT and if your getting a ping before WOT youve got some work to do

if the rules allow use a roller more hp with less overlap. also re-curve the dist. you want to limit the amount of mech advance so that the initial timing is very high and still total in 32 35 or so (what your total that you are using). if they will let you run the vacuum advance straight to...

i wonder maybe if your on the ported vacume hole so when you open it timing jumps up and you turn it down and timimg goes way down and with a posible lean from your idle mix not working it stalls. make sure vac tube is not hooked up if you have one try again

BTW nice car