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Have my Forgelines on and my stock ZR1 wheels are for sale. 1500 bucks. Low mileage. Very good condition. No center caps. No TPM sensors. Less shipping and insurance Free delivery anywhere in the greater Los Angeles area.

Actually, some the above is not correct. First of all the LT5 did not have one injector per cylinder. It had two. Secondly, with L98 and even Gen 2 engine, each injector did not have a specific pulse width. Some L98s and Gen 2s had separate pulse widths per bank. SEFI Gen 2s had...

Can you describe in detail what all this kit replaced during the installation?

If you can, report back after your dealer visit. I'd like to read what they tell you.

The problem is might be the reverse inhibit solenoid system which is a safety feature that prevents an inadvertent shifts into reverse at speeds above 3 mph. The system consists of the following components: 1) The engine control module (ECM) and 2) the reverse inhibit solenoid. With the ignition...

Wow. Barney hammered for 17,500?! That's less than what I sold the car for in 2016. It's just a shame that C4 ZR1 prices have not moved much in recent years.

I think I'd call that vendor and ask them to confirm they actually have stock of that part (ACDelco PN 19180770) before I'd place an order.

Have you checked the shift cable condition and adjustment?

You need either a "dial-back" timing light or install a "timing tape" on the harmonic damper. A timing tape is the best choice.

Couple of thoughts on this... 1) Hood clearance. Will you have enough? 2) That's a lot of intake runner and plenum volume for a stock L83. Are you doing anything else to the engine? 3) Integrating the Edelbrock EFI controller with your cars existing engine controls might be a challenge.

I had a similar problem with my '04. I opened up the EBCM and resoldered the relay on the PC board. Problem solved. There are directions available on the web to do this. It's been a while since I did the work and I no longer have the link. There are a couple of vendors around the country...

No. Pull the spark plugs then rotate the engine by hand turning the bolt in the center of the harmonic damper. Once you find the mark...highlight it as directed above. Start the engine, disconnect and plug the vac. advance then set the initial at 8-10°

If you drive the car hard, you need Pilot Super Sports all the way around. If you don't drive the car hard, it's ok to mix and match.

First year for Opti-Spark was a bad one. During coolant changes or engine washes, if they get wet, that usually kills them. You could try getting the distributor out, apart and cleaning and drying the inside but you're probably looking at replacement. The aftermarket MSD distributor is a good...

Night and Day between C4 and C7. You'll have the C7 for a week then start kicking yourself for not having done that sooner.

To get ABS/TCS fault codes, ground to pin G of the DLC. To read the codes, you need either a Tech 1 with the appropriate software or use "CCM diagnostics. The 93 EBTCM does not display fault codes by flashing the ABS Service light. If you have the T1 then read the manual on how to use it. To...

Use your dip stick tube as is and make a dip stick. Park the car on level ground, fill the pan with the correct amount of oil. Find any dip stick that fits, put it in the tube, pull it out. Note the oil level then put a mark on the stick with a triangle shaped file. Drain a qt. out of the...

You've probably already ordered but, if you going to track, it get Z07. If you are a track rat, you're used to a firm ride, Z07 is really not much of an issue on the street because MR works so well in damping low frequency suspension motion. You'll love the carbon brakes The only problem...

Your choices will be the Michelin Pilot Super Sport or, as Tuna suggests, the Pilot A/S 3. The A/S 3 is an all season tire good in wet weather and in mild winter weather. The Super Sport is a more aggressive "summer" tire but not as aggressive as the PS Cup 2s. It's ok in cool weater down to...

My understanding is that few if any drag radials are available in the C7 rear sizes. If that's the case, you have to go to a smaller diameter wheel. When you do that you also have to consider clearance between the brake caliper and the inside of the wheel. You also have to consider the diameter...