Yeah the factory bolts have mopar brown loctite on then. I bought some when i installed me 6.4 manifoldsWell good to know they don’t leak like they use to! I hear to use the 6.1 stock header bolts & gaskets on the 5.7’s
Supposedly they have a yellow heat activated washer.
You dont have to grind jack sh$t where did you read that? Easier to install if you slightly shift the motor around but the install is the same with whichever header you go with. Definitely a tight fit. FYI i paid about $600 just for the installYeah I was wanting to go with the 6.1/6.4 headers but I hear you have to grind some of the collector/clam shell off to keep them from rubbing the bell housing on transmission. Idk
Plus I want ceramic coating etc so I’m not sure how much it’d cost to coat the stock mopar headers.
I went with JBA ceramic shorties on my recently departed '11 RT (drunk ran a stop sign and totalled it),I liked them for daily use,low and midrange power. It was a happy car,ran great,not as fast as longs,but no slouch either. One glance at the stock logs and it becomes apparent anything is an improvement.Shorty headers are not a waste of money. If you look at the restriction on the log manifolds, it is apparent any header is an upgrade. I had shorty's on my previous R/T and it was a huge difference compared to stock. Minimum 10 HP increase throughout the RPM range with between 10-15 HP increase above 4k RPM. I had the JBA ceramic coated headers and would recommend them over the BBK. Pay the extra cost for the ceramic coating. If you want to get really cheap, get the SRT manifolds and midpipes (they are heavier than the aftermarket shortys). You should be able to find both for less than $400. Also use Mopar OEM gaskets and Stage 8 locking bolts and you should be good to go.
JBA ceramics,best value after a sale at Summit,install was tedious but uneventful,mileage about the same,performance way up after a CAI and tune.Looking to put some ceramic coated shorty’s on.
Anyone have any data on which is best for the 5.7?
Car will be a daily driver & need to be dependable so also looking at best option in that aspect. Hate fooling with leaking headers!