a few others in the " brain trust" IE: pioneers found this out on the stock blower with a 2.8 and 60's. some hit it and **** the bed, others do not. ever since then i set the dynamic at 400. keeps from chasing your tail in the end. my best guess is the ecm is still trying to blend it above this and loses control. being the map wasn't designed for anything over 17.5 psi or so, so the hard coded limit is hit.

my best guess. been away since i played with the ve table. i just drop the ve table to the floor and forget it. im sure i will get blasted for it, so be it. the ecm still references the ve table every now and then, for sanity checks, and will jump to it for no reason even though the dynamic is dropped out of range. dropping it below usable numbers prevents a jump. you would see this on id1k's for some weird reason.

 

edited for more detail

 

ok, you just saved me a huge amount of time on the dyno. I will be sure to pass this along to my tuner. I scaled my 80s and was told by someone over at hpt forum to remove the injector pulse width table and my car is idling beautifully at 900 rpm right now. going to try and drop it a little more but its stuff like this that would take hours to figure out what is going wrong.

thank you very much.

 

You figure out your noise issue yet c130aviator?

 

Ok then I think I am gonna go ahead and purchase some 80s I have a buyer interested in my meth kit for the RIGHT price

 

i ordered the revised ac delco timing chain tensioner, waiting for it to ship... I will post up when I get it on. Cant believe this little part is holding up me breaking in the engine and enjoying my car.

 

Oh ok c130 thanks man

 

wait a sec, if you are running 93 octane for most of the time you need that meth kit to keep from detonating. You cant just run 80 lb injectors and 93. You will still detonate, you could run richer to help out but then you decrease horsepower. Keep the meth kit unless you plan on running 100 plus octane or e85. back me up tuners, am I correctly saying this.

 

The meth decreases the air intake temps and increases the octane thus suppressing detonation. Can you get big numbers w/o meth, potentially with some serious on the spot tuning. Meth or E85 will help you net more hp with less threat of detonation tho.

 

hi, reality here. water/meth injection by itself does not add power. it does how ever give you the option to make more power before the kr limit is reached.

 

I understand that, but my question is can I reach 4xxhp with out meth and still be a safe tune?

 

I would say no, you wont be able to advance timing before you start to kr. I know meth doest mske power it allos you to tooon for power.

 

My 20g makes 360 wheel with 93 octane on 60's. The guy I bought my kit off of made over 400 with 60's and meth 50/50.

 

Yes. There are way more variables to consider here than just meth or no meth creating "x" amount of hp.

 

not without running a turbo large enough that when you do hit 400whp it won't be enough to overcome the lack of a powerband. with my 262 setup with the .70 housing no meth we could only pull 443whp out of it on pump gas. 110 yielded 591. granted i am still running a factory head. just throwing numbers around for you.

 

keep the meth kit man.

 

I could be getting false readings, but when my meth kicks in my AITs drop dramatically.

 

your ait eh?

 

typo why you gotta hate.

 

thats wut im talkin aboot

 

This was with ZZP tuning your car?

That doesn't sound right to me at all. A 62mm compressor should be able to flow enough to make 440 at about 20-22 psi and moderate timing. 17-19

Stock head I don't think would hinder you at all around 400 but then again I have no real numbers to compare to this statement :P

 

yes that was with zzp tuning. not sure on timing. oklahoma 91 octane. 20.1psi. 11.4 afr

 

Still waiting on my turbo from Precision..

 

when did you order

 

update for all you that dont care.....just gotta do my oil pan and i can drive it when the weather is warm and sunny lol. -38 wind chill today ;(