Comp cams?

[Dominant1]

Update i got my email from Justin @ jpc minutes ago, and he says they made big progress today with the surging issue. He says it will get finished up tomorrow afternoon and i will pick it up wednesday morning. The guys at jpc are top notch caliber, they worked extemely hard on this build, even while Wcf was going on. They are totally professional, and they always kept me updated...they worked through the faulty converter issue, and the recent surging issue..I highly recommend Jpc for any kind of work you need done. They really care about your satisfaction with their work! And that is hard to find these days!

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[BluByeU]

Good for you man! Looking forward to your feedback once you pick her up!!

 

[WhiteyDog]

Good to hear some feedback about them. I emailed them a few questions this past Saturday afternoon, (when they were closed), and they got back to me earlier this afternoon.

 

[mnmike59]

Spoke to the owner at Jpc today they got the surge issue down to a minumum, it only happens cold start @3500 rpm & after 3 minutes of warming up it goes away! He's gonna have his tuner continue to work on it more today. Then he will email in a few hours to let me know how he made out!

477 rwhp

What kind of Torque are you seeing?

 

[Dominant1]

What kind of Torque are you seeing?

388 ft lbs

 

[mnmike59]

Nice!

 

[RubyRedBoost]

Any dyno sheets? Wondering how the torque loss is down low.

 

[Dominant1]

I haven't picked it up yet scheduled pick up tommorow morning!

 

[jdoug]

Jon Jr doing some magic with stage 2 comp blower cams on an n/a cat with plans of adding a sc later on

Why don't the HP and Torque curves on the red lines cross at 5252 RPMs? This may be a noob dyno chart question, sorry.

 

[RubyRedBoost]

Virtual dyno is my guess.

 

[Performance nut]

Jon Jr doing some magic with stage 2 comp blower cams on an n/a cat with plans of adding a sc later on

From. Jon Jr's Facebook

The "power" of cam timing. I tuned some Comp Stage 2 Blower cams on a 2015 GT Auto that is NA with a GT350 manifold and e85 today. I thought it was a bit odd, but he's going to add a blower later so I told him we should definitely dial in the cam timing so he can get the most out of it while it is NA. The blue line is what we started with. The Red line is what we ended up with. Under the curve it picked up over 100 rwhp in some areas and almost 200 ft/lbs of torque! Got to love these Coyote engines!

Wow, this is better (streetwise) than the NA cam dyno sheets I have seen. The stage 3 loses a ton of power down low and stage 2 still had loses below 3500-4000 if I recall. This here shows gains all around for the most part.

Any dyno sheets? Wondering how the torque loss is down low.

+2 I'm interested to compare this against the other stage 3 dyno that is out there. Wondering if is a tune that caused significant loss or if it is the cam.

 

[Dominant1]

Doesn't the beefs car have stage 3 ported heads!!!!

 

[Dominant1]

Its official, got the word that the surge issue is completely solved. Picking it up tommorow morning...woot , good things come to them that wait! I have nitto invo 285/35/19's on the car now, they said i need to put my dr's on because 1-2 gears just blow off them tires. I have set of nt05r's 305/35/19's just itching to get mounted!! Wooot wooot!

 

[nikaf10]

in for results! Great write up so far!!

 

[Lonmon]

Its official, got the word that the surge issue is completely solved. Picking it up tommorow morning...woot , good things come to them that wait! I have nitto invo 285/35/19's on the car now, they said i need to put my dr's on because 1-2 gears just blow off them tires. I have set of nt05r's 305/35/19's just itching to get mounted!! Wooot wooot!

I just put the NT05R's on mine. You will love them, much better grip!

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