#44934, "What Manifold Studs Replace HRC Junk Ass Bolts?"
I heard you can replace the HRC manifold bolts with the 4g63 manifold studs. What studs or bolts are good to use with our HRC manifold. Thanks for the help.
#44935, "RE: What Manifold Studs Replace HRC Junk Ass Bolts?" In response to Reply # 0 Mar-17-03 03:00 PM by XtremeRS
You need 8mm studs (8 of them). There are 2 sizes! The GSX ones i have heard are 10 mm, so be sure to get 8 mm. I actually just orderd some from Napa (.91 a piece or something like that), they have them stocked, but were out of them. I forgot the thread pitch, but they are 40mm in length. Just take one of your botls/studs you have now to match up. You cant beat 8 bucks for studs at Napa, as i think they are more than that at the dealer. ( I *think* they are a 1.75 thread pitch, but dont quote me on that, others may know for sure)
13.5 @108 MPH-2.2 60ft(stupid FWD!) S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential fuel injection) My webpage: http://eclipsed4evr.home.comcast.net -1998 Mitsubishi Eclipse RS-T- "Toy" -1992 Plymouth Laser Turbo AWD(SOLD) -2000 Honda CR-V(daily)
#44962, "RE: What Manifold Studs Replace HRC Junk Ass Bolts?" In response to Reply # 4
so what are you guys saying don't use the HRC bolts use the 8mm 4g63 bolts or go to a local parts shop and get a different bolt than the one HRC gave us.... i'm about to do the install and need to know thanks
#44966, "RE: What Manifold Studs Replace HRC Junk Ass Bolts?" In response to Reply # 5
arp came out with header manifold bolts for the neon. Same deal I will put these on mine when i get all my shit back from jet hot. late mike
stage BIG custom mj racing turbo set up, built block.worked head,all tial components, hks evcez,spearco 992,oh yeah and a huge bottle in the trunk last run all turbo 13.8@108 no nos dyno'd at AEBS in Cali with 300+ hp to the wheels
#45006, "RE: What Manifold Studs Replace HRC Junk Ass Bolts?" In response to Reply # 7
for the 4g63 stud nut just put some thingy ( red in color forgot the name) around the stud end which goes into the head, screw that bad boy in using the nut then remove the nut. and your stud is all the way in now, and your all done dude... Michael 99gs HRC Stage 2 @12psi Stage 3 process begins gathering parts for rebuild http://www.dreamwater.net/purplebeast
#45008, "RE: What Manifold Studs Replace HRC Junk Ass Bolts?" In response to Reply # 8
Below is a direct link to the section where the 4g63 bolts are listed. They have two sizes 8mm and 10mm. The only ones that fit our 420a is the 8mm. I bought four 8mm studs, nuts, and washers to anchor the exhaust manifold to the block (these studs are the four directly behind the turbo). I believe they are all $1.00 a piece. Road Race Engineering is a great shop to deal with - never had a problem.
I only bought four to replace the Hahn Allen Key Bolts that are used directly behind the turbo. The outside holes on the exhaust manifold are bolted to the block with four of the stock bolts. I have about 3,000 miles on my kit now and they never loosened up. It is up to you if you want to purchase all 8 bolts, washers, and nuts to keep them all the same.
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