evo8426

iTrader: (27)

What about advancing/retarding the gear differently? Such as -2/0, ect...

TheBoz

iTrader: (9)

Ya I am going to be doing some of that today. I just ran out of time. The hard part is that I really need to do all the tests again to make them valid. Also when I start the testing this time, I am going to do 2 back to back baseline pulls to ensure that they are the same.

Here is what I am going to retest this weekend.

0/0
0/+2
0/-2
+2/0
-2/0
+2/+2
-2/-2
-4/-4

I will not make any Timing/AFR/Boost changes from test to test.

tscompusa2

iTrader: (22)

..

tscompusa2

iTrader: (22)

i ran up to 35psi on stock studs with stock block and fp red. the stock mitsu seal is pretty good.. but the thing is they arent studs stock.. they are bolts.

whenever you have the head off i highly recommend the arp hardware though, and also you could do the 1+1 but if its not done right then it can potentially cause problems with the head seal.

Babi@Force-Fed

lookin fwd for this

novem

iTrader: (2)

So 30 psi and below is safe on a stock head?

Babi@Force-Fed

That's a trick question

evo8426

iTrader: (27)

Are you asking about the stock head bolts? I guess it depends on how comfortable you are with knowing it may or may not lift

But me personally I would not be comfortable.

novem

iTrader: (2)

Ya, that's what I'm asking..what psi is safe on stock head? 25psi..27? Some guys are running close to 30 and above, I'm guessing mid 20's?

N

evo8426

iTrader: (27)

It really depends on how safe the tune is, detonation is what causes the cylinder pressure to sky rocket and will lift the head. I didn't run over 26psi on stock head bolts on pump gas for a just in case it happened, there are people on this forum that won't run more than stock boost on the stock head bolts. Now that I have head studs I run 28-29psi on e85. But I think it really comes down to how comfortable someone is for how much they will run.

Alpha1

good info......

TheBoz

iTrader: (9)

Sorry guys I got busy tuning a Series 2 AEM EMS over the weekend, I did not get a chance to redo my cam gear test.

project_skyline

iTrader: (30)

I see no reason to mess with settings past stock, holding more boost up top doesn't necessarily mean your going to make anymore power anyway. Regardless of what you change in the tune.

Nice testing though, guess we will see if you can find any other settings that work better then stock.

I wouldn't even consider doing ARP headstuds on stock turbo, the stock ones are freaking strong as hell.

VancouverEvo8MR

i wanna see the dialing results of the cams.

TheBoz

iTrader: (9)

So I ran a few more tests tonight, and did my control test last. There was a net gain of 0. Myabe later in the week I will work on the Intake cam.

+ = When looking at cam gear rotate clockwise
- = when looking at cam gear rotate counter clockwise

Red = 0/+2
Blue = 0/-2
Green = 0/0