The opening in the valve cover is very small and doesn't offer much relief for pressure is prolly why they don't use it..

 

I have an A&A V3si and it put 635 down. Daily driven for almost 10,000 miles. Car is perfect!

 

Almost done. Hang IC, connect BOV, install BAP are all that remain. Tune is set for Saturday.

 

Looks really good - looking forward to your results

Thanks,Matt

 

What would you estimate for power? Bone stock except for V3SI with 3.6" pulley. 100+ degrees.

 

My conservative guess would be:

530+ RWHP
450 RWTQ

Thanks,Matt

 

Not quite what I hoped for. 7lbs of boost, 10 degrees of timing. Red is the second pull, Blue is the third/final. 91 octane, no meth, ~98 degrees outside, SAE corrected.

 

I put down 530hp/495 torque on a Dynojet at Late Model Throttle in Waukesha, WI

V3SI, 10 Psi, 93 pump, longtubes, SLP Powerflo, 60lb Siemens injectors, Ligenfelter in tank pump, tuned with EFI Live.

 

10 DEGREE's of timing? What?????

You should be able to have 15* - 18* of timing if you wanted and it would pick up a huge amount of HP and I mean huge!!!

Plus he is dropping your tune off at 6100 RPM, he should be able to minimally take it to 6500, which would give you right around 9-10 PSI of Boost and 50-60 RWHP more!

Is you tuner afraid to tune? regardless he seems way gun shy on the timing and and RPM of your tune an even his confidence in tuning

I would take it back and have it ramped up a bit (Timing and RPM)for some more results or the proper results, and a minimum of 15* of timing and 6500 RPM!

Have no doubt that your motor will hold together at these levels!

Thanks,Matt

 

Did NicD tune it???

 

His explanation to me: Above 10* the power curve starts to fluctuate shown by the graph and that's not efficient. We're also in Arizona and the temp around 10am was already almost 100 degrees. I'm also apparently dealing with an obstructed catalytic converter.

I shared my results with Josh and he said to add dual valve springs and rev it to 6600 after sorting out the cat issue.

Yes.

 

What exhaust system is on it now? Stock?

Yes! New springs is needed if you did not do them already, they are necessary.

I understand the hot temps - perhaps you will get some favorable weather on the next tune day - (The Dyno does compensate for or does adjust for the read weather conditions, if memory serves me correctly )

So many are and do run above 10* of timing, so you should be able to as well. The bugs will get worked out and you will get the proper results!

You might think about running Methanol injection just for these hotter temps and the cooling properties it produces, plus it is real cheap insurance for all the money spent!

Thanks,Matt

 

Thanks Matt. Yes, stock exhaust. I'm ordering headers in about 5 minutes. SAE correction is what's supposed to take weather into account. My current plan is to crack 500rwhp, then start working on hardening options like clutch and bottom end before going any further with power (heads/cam/meth).

 

What headers did you go with?
My 04 C5 is at CPR getting finished up with a V2 si trim. I got long tubes, catless xpipe, and Borla straight pipes. Joe said it SHOULD make 480ish but we all know how that goes. We'll see what Nic can squeeze out of it.

 

Sounds about right. He told me to expect 30-40hp from the headers. I just put down 450 with a 3.6" and stock exhaust and obstructed cats. Joe is consistent I'll say that. He was spot on with the estimate for my car. What size pulley did you get? I just ordered a 3.48" from original 3.6" to raise boost back up after getting the headers installed (which should relieve pressure).

I ordered Kooks 1 7/8" + x-pipe. They won't be here until next week.

 

Just a little positive reinforcement for ya, depending on your plans for your ride, unless your out drag racing the crap out of it every weekend, your engine will probably hold up fine, take care of your exhaust issue, and add the springs, then have your tune updated, my car is stock bottom with over 70,000 miles on her, and I've revved mine to 7000 on several occasions, these engines are pretty darn tough, your car is going to really wake up when you get your minor issues solved, I went through the same growing pains with mine with fueling issues.

 

Stock clogged cats can hurt you big time. Get the exhaust fixed, new springs, and like others have said crank the timing up to 15-17 degrees and rev it to 6,500 =)

500 rwhp easy....

 

3.6 pulley here. Ill let you know what it makes after the tune.

 

Springs sound like a good idea too. I'll probably do those with the cam. Thanks for the positive reinforcement.

I don't know if clearing up the cats is going to let me add more timing. I asked him during the tune why he stopped at 10* and he said because at the top of the graph is was starting to get wavy which is inefficient and not good to go past that point. I thought tuners stopped adding timing when they picked up incrementing KR counts.

Assuming you're not going SD (i.e. MAF tune)? Do you have a boost gauge because he won't be able to give you your boost levels unless you go SD and you'll want to know what that is. When do you get your tune?

 

Got the car back today. MAF tune, no boost gauge. My car with a V2 SI, 1 3/4 long tubes, catless xpipe and straight pipes made 488/464!! Was expecting some valve float on the old stock springs but they held up fine.

Joe is gonna email me the dyno sheet and video. Im pretty excited.