2013 ZL1 w/ Mods

[MechDonalds]

Hello guys

I am new to this forum, and Camaro's but not new to cars.

I am looking at purchasing a manual 2013 ZL1 with 70k. Miles. The seller is asking 30k, and the car is in great condition. Motor is healthy, transmission shifts smooth and sounds fine. The car has the followings mods;

- Upper Pulley

- Flex Fuel Tune

- RotoFab Intake:

- Full Exhaust (Headers Back):

- Reinforced Intercooler Brick:

- ID750 Injectors & DSXtuning Fuel Pump Kit

- Recent Ceramic Coating: System X ceramic coating for long-lasting protection and shine.

- Paint Correction: The body looks fantastic with a glossy, like-new finish.

I had asked the owner how much more boost over stock the car was making since the pulley was changed, he was not sure what the stock boost was. The car was running E85, so i assume he has a tune or conversion to rune E85. He mentioned that the sensor would allow me to put in whatever fuel i wanted, and the sensor would detect the octane and adjust the calibration as needed.

My question is, what common issues should I be looking for on these? The car isnt leaking anything, its not making any funny noises, looks to be well taken care of, was garage kept.







Thanks guys!~

[tartagliazl1]

stock boost is 8 psi. The injectors seem to be small for full E85. It looks like you will need a catch can and a supercharger coolant tank, also a heat exchanger. congratulations on the new to you zl1.

[MechDonalds]

Originally Posted by tartagliazl1

stock boost is 8 psi. The injectors seem to be small for full E85. It looks like you will need a catch can and a supercharger coolant tank, also a heat exchanger. congratulations on the new to you zl1.

Thank you for the info.

I thought the same thing on the injector size. I had previously used 1800 injectors for E85 on a turbo 4 cylinder, so these seemed small to me as well.

Where does the E85 conversion install at? I want to review to make sure its even installed, and to see what type of conversion/sensor is installed. Also, what size are the OEM injectors, and do they have a markings that would help me identify the stock ones? I want check these out as well.

Do these cars come with a lambda or wide band sensor? There is an a/f gauge on the interior, and i assume it is reading from a factory wideband. If the car comes with one, is it the second sensor(post cat typically) like typically found in vehicles with wide and narrow band sensors?

Thanks in advance

[tartagliazl1]

The e85 sensor should be installed on the left side of the supercharger right at the fuel line. Our cars do not come with factory wide bands. Your wide band sensor is most likely installed in the rear o2 bung. I run 1300 cc injectors with the dsx kit and can run full E.

[bsn]

Your probably fine with the ID 750's you just will be limited to probably mixing 93 octane with the e85, if you don't have HP Tuners or similar see if you can borrow one from a friend and log your injector duty cycle to see how much you can get away with. I am running ID 1000's with a great duty cycle with E85.
For $30K sounds like a great deal.

[MechDonalds]

Originally Posted by bsn

Your probably fine with the ID 750's you just will be limited to probably mixing 93 octane with the e85, if you don't have HP Tuners or similar see if you can borrow one from a friend and log your injector duty cycle to see how much you can get away with. I am running ID 1000's with a great duty cycle with E85.
For $30K sounds like a great deal.

How much boost are you running with ID1000 and running only E85? If you have a pulley i would have to imagine your injectors are pretty high?

[mixitup]

Road test and check for a noisy differential

[Robmnrd]

I scoured the internet awhile back when thinking about doing 'upper pulley + E85' (plus the mods already on mine) which would ultimately end up being basically that exact build.

From what I gathered, if the pulley on it is just a 2.55 (which is likely, given how long ago ID750s were available new) those injectors are just fine for the task, even with E85.

To be clear, 'just fine' does not mean adding more boost/pulley is acceptable. Beyond the 2.55 (more modern 2.45 option, and the 2.38) really does necessitate more injector.

If this person pieced this build together recently with used parts and used the 750s cause they were cheap, and did not appropriately match pulley size to the 2.55, I'd suggest upgrading.

Disclaimer: posting based on knowledge I gathered like...2+ years ago and as such may be off a little bit lol

Edit: I might be thinking of the 850s... honestly just ignore this post lol

[MechDonalds]

Thanks guys - i appreciate all your feedback and updates.

[MechDonalds]

I did purchase this car, and drove it home. I live 1.5 hour away from the seller. The car made it home perfect.

Upon getting home, i opened the hood and smell coolant. The engine cooling looks fine, but, the super charger coolant is low. I am going to add dexcool 5050 to the supercharger coolant today, bleeding the system using a large funnel. My question is, if the brick was leaking, would i smell coolant in the engine bay when i pop the hood? I am wondering if the stock supercharger coolant reservoir is leaking at the plastic tank

[mixitup]

My 2015 has this installed:

Kooks headers, catless
ATI 10% OD balancer
2.38 grip tech
BMR tank for blower
Roto Fab CAI
DSX ethanol kit
JMX fuel Max
1000CC injectors

681HP. Sips fuel at 17.5L/100km (highway speeds)

[ZMEnow]

Originally Posted by MechDonalds

I did purchase this car, and drove it home. I live 1.5 hour away from the seller. The car made it home perfect.

Upon getting home, i opened the hood and smell coolant. The engine cooling looks fine, but, the super charger coolant is low. I am going to add dexcool 5050 to the supercharger coolant today, bleeding the system using a large funnel. My question is, if the brick was leaking, would i smell coolant in the engine bay when i pop the hood? I am wondering if the stock supercharger coolant reservoir is leaking at the plastic tank

What plastic tank? Does it have an aftermarket reservoir.

[Shodown]

Best way to know if the brick is leaking is to remove the supercharger lid, brick and inspect it. Common issue on these cars. Not a big deal to get fixed, but youl have to send it off and get it fixed/replaced and weld on some plates to reinforce it.

Other common problems are noisy rearend, supercharger isolator noise and leaking shocks.

Noisy rearend is easy to fix....drain it, replace the fluid, do a bunch of figure 8s in a parking lot, drain it then put in fresh gear oil. There's a TSB for it on Google.

The shocks...fronts aren't produced anymore and rears are getting harder to find and they'll fail again. Your best option is to swap to coilovers with mag ride deletes. About $1500, afternoon worth of work with basic tools and alignment. Never worry about it again.

The isolator is an easy fix especially if you already have lid removed for the brick. You have to lift the blower up a a little bit to get the snout off but it's not bad. Aftermarket solid isolators are about $80.

Other than that it's a solid platform. The rearend, axles and trans are rock solid. Stock clutch can handle your current mods (I made 62 very hard track passes on mine with much more power before it went out). When it's time for a clutch check out a Monster Triple. Very strong and drives like stock, no chatter at stop lights.