C5 Pete

Looks as good as it sounds!

m60gov20

Thank you! Now to make it run as good as it looks like it should. lol

C5 Pete

@slowtealz28 needs to see this.

CaptainFalcon

Love the plates lol! The 15s look mean!

m60gov20

Thank you!

m60gov20

No dyno results but the butt dyno is pretty impressed. Still working on the tuning before we put it in the dyno.

m60gov20

Not the best video.

m60gov20

One thing that is very different from before. Boost used to come in pretty quick but would climb through out the rpm range, about 10kpa per 1,000 rpm. Now I see max boost at mid 3,500 ish and it stays pretty steady all the way to 7,000 rpm. 7 kpa rise in boost from 3,500 to 7,000 rpm. Not sure how of that is cam, head porting or what I suspect is the blower porting. Cleaning up the blower post rotor. Anyone else with an Eforce, ported heads and cam that doesn't see the boost climb?

slowtealz28

@C5 Pete cliffnotes?

m60gov20

Not bad considering it was spinning all the way through 3rd. Should go pretty solid in the 5’s at the track.

m60gov20

Tried to make a 1/4 mile pass last night. Even with a lousy 2.04 60' and banging it off the limiter on the 2-3 and 3-4 shift it managed to trap 141 in the 1/4. Hoping to dyno tomorrow then see if I can get it to the track soon.

m60gov20

Spent the day at the dyno yesterday. I was 3rd in line to get on the rollers and a couple of the cars before me had some gremlins they fought through. Finally when it was my turn on the first pull it made 800/771! I was happy and could have been done there. My tuner, Robert Williams added some fuel to it and one degree up top. 801/800 to the tires! At times during this I was reluctant to have the heads ported, wondered if it was worth it to port the blower…. Well, it was! Had I not I would have fell short of my goal. When we were tuning in the steeet I kept thinking man there has has to be something wrong in my suspension! This thing should hook better then this.

Big shout out to Brenton at Iron Mask and Robert Williams at Vendetta Speed. Robert is the best tuner that I’ve had the pleasure to work with. I’ll be sending him a file on my truck next.

CaptainFalcon

Awesome results! I wonder how much was the heads and how much was the blower porting.

heavychevy357

Yes! I’m still super pumped about the results brother! Thank you for letting me be a part of the build! Pretty sure this is the new “unofficial” EForce 2300 SBE LS3 record. Shows what a well thought out combo can do with these blowers. Heads and blower combo porting is the way to go for sure. As you said, Robert is the best. Hands down.

Again thanks for letting me be a part of the build and do the head/blower porting.

m60gov20

A little better. It’s hooking better at least in 3rd.

m60gov20

Hard to say really, I was very impressed with the results from the flow bench on the heads, so I'm sure that was a big help. I've also noticed that boost doesn't climb but very little with rpm. I believe that's a result of the blower porting. I've heard others say that they suspected some of the boost spike at the top of rpm was possible boost stacking up in the blower itself. Whatever it is this one doesn't do it anymore.

ls1wolf

nice!!! I can tell you our cars run Very close…

m60gov20

Nice! What's your setup and 60-130? We're hoping it has a low 5 to high 4 in it. Hopefully in better weather and we're working on a meth setup for it.

ls1wolf

5.4-5.7 on a nt05r on stock 19s. Spinning onthe hit

m60gov20

Hoping to get it back next week. After breaking the output shaft on the trans which in spite of having the brace cracked the housing on the diff. It’s at RPM Transmission right now getting a level 7 4l60e and ZR1 diff with 3.42 gear. Going to try and get it to a track somewhere this winter and see how it does.