Mornin, DTR.
While I have the turbo off, I'm putting some high temp primer and paint on my stock manifold. I want to get new bolts for the manifold (I'm going to get studs to make instal easier), but I was wondering if I needed to retain the spacers on the bolts or if I could just put the nut directly onto the manifold?



(Picture of bolts and spacers)

Also, I was going to get the manifold coated with ceramic, but it is a little more than I wanted to spend to do a crappy stock manifold... I was going to get some header wrap, but I've seen mixed reviews on it. What do you say?

Thanks!
mad

 

Took me a minute to find the bolts and spacers, as I was admiring the whiskey and other items on the bench.... I see that you have five studs that look like something else utilizes them as well? If you have to put a bracket of some sort back on them I would retain the spacers, the others I would just put a hard washer and nut on them and chunk the spacer.


Edit, I read your post again and see you were only asking about the bolts.. Dang whiskey has me confused and I ain't even drinkin it.

 

Numerous companies offer a stud kit for the Cummins exhaust manifold or you can source studs and nuts locally or you can spend $$$ for some really nice ARP stuff.

Motorsports Diesel Cummins exhaust manifold stud kit 12 valve, 24 valve, common rail


If you do a bit a research, studs and nuts come loose and require re-torquing also.
A few posted they couldn't keep them tight and we found this on a friends CR Cummins also.

When I went to after-market ex manifold I kept the OEM bolts and cylindrical spacers and have never had an issue.
I did have the cylindrical spacers ceramic coated black for looks!

I wouldn't spend money to have the stock ex manifold ceramic coated.
Some high heat paint will look nice but it won't last.
The high heat paint will last on the sheet metal heat shield though.

Just my thoughts...

 

lol sorry about that... they're just hanging around waiting for the recycling guy. (that dude asked if he could come party with me)
I only need one long bolt for the coolant line, the rest can be up against the manifold. There is a stock heat shield that I've gotten rid of long ago.

Yeah, I had a source to coat it cheap and lost it... It's better than nothing. I'm not going to pay the 400 bucks to coat and ship the crappy stocker. Hopefully this paint holds up, it's rated up to 2k.

I'm going to Lowe's tomorrow to get some studs if I can find them. Grade 8, these stockers are hurting at the moment.

The dilemma is that I'm going to upgrade to twins in the future, I don't want to spend the money on a stock-ish manifold when I'm probably going to need a 2nd gen in the future.

 

I'm not going to be much help here but I say go shoot the AR come back drink the Jameson and then paint that manifold with the high temp. I have used some High Temp from lowes on the exhaust manifold of my old Jeep and it help up for years with no issues.

 

Man, that ammo is expensive... even the steel rounds are a buck a piece! I know I can shoot it and hit what I'm aiming at...

I've got some good stuff on the bar... Jamison is good, but it's cheep...

 

From left to right:
Apple pie moonshine (100 proof)
Decanter of 40 Creek (like cheap Crown Royal, but not bad)
Chavis Regal 12 yr
Glenmorange 12 yr (great stuff)
Glenfidich 12 yr
Glenlivet 12 yr
Glenlivet 18 yr (great stuff)
Highland Park 18 yr (great stuff, but pricey)
Booker's (bourbon, 127.9 proof)
**** Creek 120 proof, aged 7 yrs (Love it for an every day, awesome bourbon)
Angel's Envy (great stuff, only 80 proof)
Some Johnny Walker samplers (not impressed)
Some cheap corn whiskey someone gave me
Grand Marinier (for cooking)

I do ok

 

The manifold on it's last heat cycle. 30 minutes at 250, cool for 30 minutes, 30 minutes at 400, cool for 30, 30 minutes at 600 (kinda), and it's ready to go.

 

Ummm Yeah that is a nice counter top.... I'm on my way now! To heck with that manifold!

 

Come on, dude. Open bar, good food, too.

 

madhat, I knew we had more in common than both being from south carolina. same taste in whiskey and other "tools" too, i see

 

Ha, do you mean the grill?

I am varied in my tastes for whiskey. I love hot (high proof) bourbon, but I enjoy Scotch and good regular whiskey too. I'm not a big fan of Jack Daniel's any more... but I'll still drink it.

 

Don't header wrap it. It will just fatigue the metal for the manifold and eat away at it.

 

Thanks buddy. That's the negative stuff I was seeing... just wondering if anyone had any first hand experience. It makes sense.

What do you think about manifold blankets?

 

A big yes on those. I haven't put one on. There is a guy on CompD that makes them and they are awesome. For compounds, a definite must have. If you want a good improvement, upgrade your exhaust manifold unless your are going to do twins later. Then it would be a waste of money. Something else to sell.