Ok I have checked the PVC and it is in a baffled hole. The Vortec heads are unmodified except for milling them and affing .500 lift springs. I am running the LT-4 cam with .476 I and .480 exhaust. Could the rocker hitting the valve guides cause the oil smoke from the exhaust. I did have about .025 take off the heads to lower the chamber CC's could it come from the bottom of the intake. I have not done a compression test yet. The car seems to smoke evenly at idle and reving, seems to smoke more as it warms up.


Thanks for the input
Brian Felts

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1989 Camaro RS

305 .030 over Hydro Pistons
Vortech heads milled to 58cc...Performer RPM intake....LT4 cam..Crane Gold rockers...FastChip custom chip...ALum. Driveshaft...3.73 gears with Posi...underdrive pullys...Rebuilt 700R4 with Vette Servo and B&M shift Kit...MSD ignition...A/C Delete No SMOG junk....1997 SS leather interior...B&M Shifter... Ultimate TBI mods...14X3 K&N open Element Non-Drop...Hooker headers....3" exhaust with Flowmaster Cross flow 16X8 Wheels from 97 RS Spohn LCA's Spohn Panhard Bar..LETS PLAY FORD!!

www.geocities.com/feltsb

 

Brian you might be hitting the seals with the retainers and that be causing a leak(s).

(BUMMER)Now that it's together. It sounds like a great combo.

I checked the Vortec's that I ran and they hit the seals at .465. I added .060 shims and offset keepers .050 and got the number up to .515 which gave some clearance to the retainers.

By the way I ran the same cam and rockers that you are using.

Hope this helps!



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91 RS 5.0 TBI....LT4 cam....Edelbrock headers....3"Dynomax exhaust....5spd.... 3.08.....Ultimate tbi....afpr...ZR 255-50's...Koni's

 

Hey 91, what part of GA you from.
bsa

 

If that being my problem is there any way to change the shim and retainers with the heads on the car?


Brian

 

Covington

 

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Yes Just like you would change the springs out. Remove the old parts add the shims, install springs, install retainers and install the new keepers.

FYI I have found out through some measuring since I have the heads apart that you can also take about .050 off the bottom of the stock Vortec retainers for even more clearance.

I would also upgrade those springs at this time. I beleive that the stockers are living on borrowed time with that lift cam regardless what has been said in other posts.
It probably depends on how hard you run it and how high you take the rpm's.

The .050 offset keepers are a standard Crane part for 7 degrees retainers.

Happy Turkey day.