Well, today I noticed a squeak when I first started up the car. I popped the hood and it appeared the harmonic balancer was noticeably wobbly. I took it to a Corvette shop and it was visibly confirmed by the shop owner. He would not quote me a price until he got into the car. He is definitely reputable and knowledgeable, but I'm hesitant to turn my vehicle over to someone who can't quote me a price. So, I went to a dealership and got their price, then found another shop with a ton of positive reviews, including a Corvette HB replacement on Google.

They could only get me an OEM HB or a Dorman HB (they are required to source through certain vendors). However, they will allow me to bring my own parts and only charge me for labor. I quickly nixed the OEM HB idea. I can get a Summit HB, but I'm concerned I won't have all the parts I need if I do that. I'm also concerned I won't be able to get it in time prior to next Saturday when I scheduled the work.

Here's my question: Is the Dorman HB a bad idea? Is it basically a knock-off AC Delco HB that will fail within 20,000 miles? If I opt to go with a Summit Racing HB, what other parts should I pre-order so that they have everything they need?

For reference, I have an 05 Base with no mods and 90k on the odometer. I have zero plans of doing anything more than adding a cat-back exhaust.

Thanks in advance everyone!

 

ARP Bolt and new front seal. Powerbond PB 1117 SS I believe is the number. Summitt has it all with quick shipping.

 

This ^ is what I used on mine. To the OP, you won't be disappointed and will probably never have to change your HB again...

 

I did powerbond as well. But rockauto is usually best priced and typically 2 day shipping

 

Yes - Dorman is a bad idea...

 

Thanks for the quick replies everyone! Does this look right to everyone (part numbers, etc.)? Do I need to provide anything else to the mechanic?

 

For what it's worth orders from Summit, if in stock, will arrive in 2-3 days. They have several choices as well. There's another thread down the list a ways on this same issue. Also links to videos and instructions to do it yourself if you're mechanically inclined.

 

Thanks! Yeah, I read through that thread and there is no way I would try to attempt this myself. I just want to make sure I have all the necessary parts (and correct part numbers) before I take the car to the mechanic. I have it scheduled for a week from today, so I'm hoping to have everything ready to go ahead of time.

 

Though I think the Dorman is probably fine, I used the base Powerbond on my '08. Got it from Rock Auto, with a new belt and bolt.

 

Rock Auto has it for $202 and their shipping is fast as well. For what it's worth, the pictures I've seen of it appear that one belt surface sits at a slightly different height as the other, and if true this is an underdrive pulley as opposed to the OEM being both belt grooves the same diameter. I could be wrong but I'd want to check this out before hitting the buy now button. I couldn't find anything that said it was an underdrive pulley so you might be just fine.

 

Looks like the HB bolt you have is not an ARP. I couldn’t find in the description any mention of it being a real ARP product. Spend the extra $10 and make sure you get a quality product instead of a cheaper knock-off.

 

Good catch! I have updated with an ARP product:

 

The reduced diameter is stock. That drives the AC compressor.

 

ATI makes a quality balancer also, more expensive than the others but good isn't cheap & cheap isn't good

 

Will this HB be the same one I would use on my 2011 LS3 GS, mine is chirping and doing the wobble??

 

. Yes. Wet sump ?