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Old 07-30-2014, 12:39 AM   #1
Itwuzalladream
 
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PLEASE HELP!!! Need advice!!!

2010 camaro ss auto

Current mods:

Magnuson tvs2300
3.2 pulley 10lbs boost
Rotofab cai
Cooks 1 7/8 longtubes
Str8 piped mid section (no cats no X or H pipe)
Flowmaster mufflers
Aem meth kit
160 thermostat
Custom street tuned by matt solomon MI
Nitto NT555R's

Mods about to go on:
Huge trans cooler
H&R 1" lowering springs
Stoptech drilled & slotted rotors with ceramic pads

Just put in new NGK TR6 spark plugs & MSD spark plug wires.

I have a few issues and i wanted some help from you guys please! So i just installed the meth kit, went from 3.8 to 3.2 pulley, cut out cats put in str8 pipes, installed 160 thermostat, installed wide band and boost gauge, and installed spark plugs and msd wires. My tuner said theres still room left to make some more power i should be retuning with him tomm. So far im not impressed at all with the diff in power! It does not feel faster! When its under WOT the car goes to 10lbs and then drops to about 8lbs, what could that mean? Shouldn't the meth and diff in pulley size mean a huge jump in power like extremely noticeable jump? After a couple hours of tuning he checked out the spark plugs and noticed they were the stock AC Delcos so we stopped tuning and he recommended i get sum ngk tr6 and msd wires b4 we move forward. He was also a bit concerned as to why the boost drops from 10 to 8. The car has the stock injectors that came with blower, there duty cycle is about 80% he said also the car has stock fuel pump but he hasn't said anything about fueling issues yet. I believe the car made around 500 whp b4 and i was hoping to gain 70-100 with the new mods. Please any help or advice would be greatly appreciated!!!
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Old 07-30-2014, 03:24 AM   #2
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Sounds like your blower belt is slipping. JRE has a nice tensioner. Usually better to run a bigger pulley on the blower for more belt wrap and go with a over drive on the back of the blower. Bet your just about out of fuel. ZL1 pump will be the best bang for your buck.
Spark plugs lol you can debate which ones to use all day. But at lower boost 6-10 and NO NOS the ZR1 plugs actually work very well.

The car will be a lot faster after it cools off a bit also. Top mounts just do not like the heat.
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Old 07-30-2014, 07:49 AM   #3
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Please change your sparkplugs and get a fuel pump.
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Old 07-30-2014, 07:54 AM   #4
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Agree with Slickas. You're suffering from big time belt slip. I'd stick with something like a 3.4" pulley until you add the o/d rear pulleys. You might want to strongly consider a blower cam too....if you want to turn the blower that fast. If you did cure your belt slip with that 3.2" pulley, you'll probably be in the 11+ and maybe 12psi neighborhood. With a blower cam, probably 10ish psi.
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Old 07-30-2014, 08:34 AM   #5
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Belt slip man j know all about it. Jre tensioner will help but really should upgrade to 8 rib belt. I have everything u need for sale. Message me if your interested.
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Old 07-30-2014, 10:10 AM   #6
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agree with fuel pump upgrade, wires and plugs. suggest fuel pump voltage booster (got mine already tuned by JRE). Ted mentioned things dropping off towards the top w/o the booster so I got mine
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Old 07-30-2014, 10:15 AM   #7
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Most likely belt slip. I had slip issues with a 3.8 pulley on the dyno because it wasn't adjusted for maximum belt wrap. 3.2 would be worse. Get a tensioner at a minimum or switch to cogs with a 3.8 front pulley. Also, get a dang fuel pump and ADM module or Boost-a-pump. My duty cycle was about 95% with the stock injectors and a 3.4 pulley. No need for MSD wires, the stock delcos are fine, unless they are old, but I see that you changed them already. TR6s are ok, I have the Iridium version, TR6ix, and I run 10.5 psi of boost. Boost goes up to 10, then back down to 8 because the belt slip probably begins around peak torque. The torque isn't just going out the rear of the motor to the trans, it's also going out the front through the crank pulley.
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Old 07-30-2014, 10:43 AM   #8
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Just get the OD cog and put the 3.8 back on. Belt slip will be gone.
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Old 07-30-2014, 10:54 AM   #9
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Shouldn't the car feel alot faster though?? What would be reasonable expectation for HP increase?? I will look into OD COG and ZL1 fuel pump with FPCM
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Old 07-30-2014, 11:13 AM   #10
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Not if the belt is slipping.

You need injectors, you need a pump, you need a tensioner, or 8 rib, or both. OD rear cogs would help. Look into the RDS Maggie plates too. Like others said, probably want to get a cam in there to open it up and lower boost a bit.
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Old 07-30-2014, 03:58 PM   #11
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What sz injectors are you running?
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STILL NOT FAST ENOUGH; BACK UNDER CONSTRUCTION...
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Old 07-30-2014, 04:10 PM   #12
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What sz injectors are you running?
He said he had the stock maggie injectors, which would be the 56 lb ones
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Old 07-30-2014, 05:28 PM   #13
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Maggie comes with 56lb injectors. I ran 3.2 pulley with blower cam and bolts ons with stock fuel pump with boost a pump and made 651rwhp. Then I forged the bottom end and added heads and od cog and still made 650rwhp cause the belt was slipping. Added the 8 rib belt and new fuel system and made 750rwhp.
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Old 07-30-2014, 05:35 PM   #14
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What sz injectors are you running?
The ones that came with the maggie... I belive there 52lbers
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Old 07-30-2014, 05:36 PM   #15
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Originally Posted by 2012LS3VERT View Post
He said he had the stock maggie injectors, which would be the 56 lb ones
Yea sorry 56lb not 52lb.. Ur correct
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Old 07-30-2014, 05:37 PM   #16
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Quote:
Originally Posted by PIGSMOKR View Post
Maggie comes with 56lb injectors. I ran 3.2 pulley with blower cam and bolts ons with stock fuel pump with boost a pump and made 651rwhp. Then I forged the bottom end and added heads and od cog and still made 650rwhp cause the belt was slipping. Added the 8 rib belt and new fuel system and made 750rwhp.
So im prolly losing alot from slippage?
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Old 07-30-2014, 05:42 PM   #17
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From sounds of it, yes. Look at it like this your only gonna want to go faster belt slip is gonna be your biggest prob. Mine as well go ahead and upgrade it to avoid issues. I've already been there done that. Lol
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Old 07-30-2014, 05:43 PM   #18
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Before I went to 8 rib my car would top out at 155 mph. Wouldn't go any faster cause of belt slip.
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Old 07-30-2014, 05:47 PM   #19
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Originally Posted by PIGSMOKR View Post
Before I went to 8 rib my car would top out at 155 mph. Wouldn't go any faster cause of belt slip.
Thanks for the advice! Based on my mods do u have an estimate as far as how much power i should make?
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Old 07-30-2014, 05:57 PM   #20
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I made 500rwhp with stock car and maggie only. I added same thing full exhaust and 3.2 pulley and made 580 rwhp. Then added cam and made 651rwhp. But I didn't have meth kit that u have. But I had a boost a pump
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Old 07-30-2014, 11:39 PM   #21
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Ok so i tightened the belt more and now the car is holding 10lbs perfect... We retuned it and the car feels much faster, my tuner estimates about 560 wheel an increase of about 60 wheel over 3.8 pulley and no meth... As everyone stated i have now reached 100% fuel injector duty cycle... So we stopped tuning there, he says theres more power on the table but he doesent want to push it anymore untill i get injectors, a return style fuel pump and head studs... He told me to be very careful becuz the injectors are maxed out... What would be the next steps from here as far as mods??
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Old 07-31-2014, 12:07 AM   #22
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A return style pump isn't necessary at your power level. I'm right about where you are, at 545hp through my cast manifolds, and 10.5 psi. Just a ZL1 pump with ADM module, and 88lb injectors. Im at 55% duty cycle. If i was running out of pump i wouldnt have 68 psi of rail pressure. No head studs here either. If you are going to stay around 10 lbs, I wouldn't bother pulling the heads just to put in studs. Get some injectors, and throw a ZL1 pump in it with an ADM module or a boost-a-pump, your choice. Unless you plan on hitting 650+ at the wheels eventually.
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Old 07-31-2014, 07:13 AM   #23
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U don't need any of that. Get a boost a pump for couple hundred bucks. Like I said I ran 650rwhp with the 56 lbs injectors with stock fuel system and bap.
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Old 07-31-2014, 07:45 AM   #24
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Originally Posted by 2012LS3VERT View Post
Most likely belt slip. I had slip issues with a 3.8 pulley on the dyno because it wasn't adjusted for maximum belt wrap. 3.2 would be worse. Get a tensioner at a minimum or switch to cogs with a 3.8 front pulley. Also, get a dang fuel pump and ADM module or Boost-a-pump. My duty cycle was about 95% with the stock injectors and a 3.4 pulley. No need for MSD wires, the stock delcos are fine, unless they are old, but I see that you changed them already. TR6s are ok, I have the Iridium version, TR6ix, and I run 10.5 psi of boost. Boost goes up to 10, then back down to 8 because the belt slip probably begins around peak torque. The torque isn't just going out the rear of the motor to the trans, it's also going out the front through the crank pulley.
Your plugs are way to hot sir.Please change to a colder plug.
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Old 07-31-2014, 07:46 AM   #25
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Yea sorry 56lb not 52lb.. Ur correct
The Maggie uses zr1 injectors which are 52lbs
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