Ja85z28

In 1985, the L69 option was only available in the IROC and not the base model Z28. I have fixed Chevrolet's marketing oversight.

https://youtu.be/Fle9A6RC1E8

Ja85z28

Ja85z28

Ja85z28

video and modifications write-up
https://youtu.be/Fle9A6RC1E8

Saxondale

iTrader: (2)

That's a pretty sweet car as it came from the factory. Be sure to save all the original parts. But the conversion is fun and not irreversible should that day ever come. Thanks for sharing.

Ja85z28

^^^^^100% correct

Buddy

That is such a nice car!

Ja85z28

It's a 5 Speed

Ja85z28

dmccain

iTrader: (2)

One of my favorite cars on this board. Very nice I love it!

mrestrictrplate

iTrader: (2)

Car looks great I love Irocs but 85-87 Zs with silver gold and especially dark gray gfx and wheels are never seen. Love them

burnout88

Nice car, looks great and sounds great! I believe these are your mods

Aerohead Racing prepared 601 heads 1.94/1.50 valves gasket matched bowls blended, K1103 cam, roller rockers, and SLP Y-Pipe, "free flowing" catalytic converter, 3" exhaust pipe, and Flowmaster muffler. 56,700 original miles

Ja85z28

It's now sporting a Cliffs Performance CC Carb. An amazing performance upgrade. My next upgrade is gears thinking seriously about 4:11. When you multiply 4.11 x .63 (5th gear) and then 3.73 x .63......there's a 200 rpm difference at 70 mph.

Ja85z28

Thank you so much for such a sincere compliment.

Ja85z28

I am the 2nd owner. The original owner negotiated with the dealership to paint the rims black. He took such immaculate care of the Z28. The rims will remain as tribute to his efforts.

NoEmissions84TA

iTrader: (1)

Did you get a compression increase using those heads?
I'll say it again - you made the perfect choices of upgrades for your car.
I can't wait to see what it runs in the 1/4, after you change the gears.

Ja85z28

The unshrouding of the valves in the combustion chamber increased the volume to 58cc heads with a .027 Cometics head gasket......swag calculations put the static at 9.75:1

Ja85z28

The unshrouding of the valves in the combustion chamber increased the volume to 58cc heads with a .027 Cometics head gasket......swag calculations put the static at 9.75:1

burnout88

Was this car ever nominated for car of the month?

Ja85z28

No. I am genuinely grateful for the question.

burnout88

Your nominated! Good luck hope you get it.

Ja85z28

I am humbled by your nomination. Thank you Sir.

Abubaca

iTrader: (3)

LOVE this car!!!!! ....I already nominated someone this month, but if I'm allowed, I'll "second" your nomination.

As for the car, man, I love it!!!!!!! ....As an Iroc owner, they've always been my true "favorite" but I've always wanted to build an 85-87 Z28 but give it the same treatment as my Iroc- "stock appearing" but upgrade some of the hidden goodies!

Gorgeous!!!!!!!!!!

Ja85z28

Thank you for your nomination consideration. I am such a proud Papa! I too enjoy the "stock look" My Z28 idles just high enough to hide the little cam.

NoEmissions84TA

iTrader: (1)

I would like to nominate his car also. Can I and/or how do I do that?

NoEmissions84TA

iTrader: (1)

I ran DD2000 for you using flow numbers for Chevy Fast-Burn heads (about 215/150 cfm at .500"). Attached is what it came up with.

Ja85z28

I need to start shifting a little sooner, because I have been winding it to 6000. Even with a far less than optimal rear gear and that Cliff's Performance CC CARB it will float the valves quickly. I only did it once and had bad visions of pistons smacking valves.

Zane M

iTrader: (1)

Beautiful car! You should be proud!

Ja85z28

Thank you for your kind words. I am retired and having a blast. Yesterday, a local Pepboys had a small Car Show and the Camaro won 1st Place!!!! The cool part was the Judge said, "It wasn't even close."