ok so im set now on gettin a gm847, i need your guys help to get together a parts list. Ill probably buy through summit. Im going to run comps 918 springs i hear they fit without machine work and will hold the 847 with my 1.6rr. After that i get lost, what pushrods should i get chromemolly?, and what keepers or retainers and locators do i need? I will probably rev to 6600 give or take. Thanks

 

You're going to get different opinions on what you should get for most of those parts. You have to decide on your budget. If you can afford chromoly pushrods and titanium retainers, do it. If not, hardened rods and steel retainers should work fine. Make sure you get the +.050 hardware for the springs for added insurance. You didn't ask about guideplates, but just in case, get the GMPP ones.

 

what is the .050 hardware? Ill be running sa rockers. Might change to guide plates next summer whenever i do a differnt set of heads

 

GM847 install photos
(Also includes parts list and cost and from whom...)

With that cam and those springs, make sure you go with non-aligns rr.

 

This is my list from summit, is there anything else i need. I just bought gmpp guide plates from gmpd. I think ive got all the spring parts i need and i think the 7/16th nsa rr are matched with the correct 7/16th studes Thanks so far for your help. I know i dont have gaskets, ill probaby let my installer get them on his own.

ARP-234-1001 Cam Bolts, Pro Series, Black Oxide, 5/16 in.-18 Thread, Chevy, Big/Small Block, Set of 3 $5.88

CCA-1305-16 Rocker Arms, Stud Mount, Full Roller, Steel, 1.6 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16 $269.95

CCA-26918-16 Valve Springs, Single, 1.055 in. Outside Diameter, 313 lbs./in. Rate, 1.085 in. Coil Bind Height, Set of 16 $179.95

CCA-4501-16 Rocker Arm Studs, 7/16-20 in. Thread, 1.75 in. Effective Stud Length, Kit $41.69

CCA-4705-16 Valve Spring Locators, Inside, Steel, .060 in. Thick, 1.100 in. O.D., .650 in. I.D., .660 in. Spring I.D., Set $40.69

CCA-4753 Valve Spring Shims, Steel, Hardened, 1.250 in. Outside Diameter, .015 in./.030 in./.060 in. Thick, Set of 48 $24.69

CCA-614-16 Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 16 $25.95

CCA-7940-16 Pushrods, Hi-Tech, Chromemoly, 5/16 in. Diameter, 7.200 in. Length, Ball Ends, Hardened, Set of 16 $141.69

CCA-795-16 Valve Spring Retainers, Steel, 10 Degree, 1.455 in. Outside Diameter, 1.095 in. Inside Diameter, Set of 16 $50.69

CRN-109841 Camshaft, Hydraulic Roller Tappet, Advertised Duration 296/304, Lift .539/.558, Chevy, Small Block, Each $279.95

NAL-12370835 Timing Chain, Extreme Duty, Roller, Steel Sprockets, Chevy, LT1, Set $245.95

 

ttt

 

The only things that are different from the parts on your list to what i purchased for my car are..

Comp Retainers CC787-16
Comp Lifters CC850-16

Those are what i used and have compared to the parts you are picking out and forgot to add.
Also My pushrods were a custom length and the springs i used didn't need shimms.

Hope that helps

 

iroc, what caused you to need a custom length pushrod?