OPies57

alright i have a 93 trans am looking to buy a cc306 and the supporting mods so far i have this is the list just looking for some advice and tips if i have everything or i need more also searched everything to death don't know if im bad at searching but i couldn't find anything more

the cam comp cams 306

comp 26918 spring (they say they're for ls1's but everybody says to use them are they compatible with lt1 heads?)

comp spring locks for the 26918

comp steel retainers for the beehives

comp magnum pushrods

oil pump 3/4" inlet 93442037 (don't know how to install)

oil pump screen 3/4" tube 12550042 (think its under the intake still don't know how to install)

white oil pump spring 3848911 (do i need to drop the pan for this)

really don't know that much about lt1's just bought my car about 6 months ago and was a big first gen small block guy bought the car cause of the sick deal

thanks alot for the help

seawolf06

Did you buy the pump already? Here's a cam removal and install guide. The website is full of valuable info.

http://shbox.com/1/how_tos.html

Stl94LT1

How about Comp Cams Pro Magnum 1.6 roller rockers, and a good tune.

seawolf06

Yeah, you should definitely get new rockers.

2QUIK6

Might want to rethink those Comp 26918 springs, have you not read all the breakage problems with those. Go with the equivalent PAC1218s or the nitrid treated 1518s from PAC.

Oil pan will have to be dropped to install the oil pump, its bolted up on the bottom of the motor, real easy to install once the pan is off, you'll need to lok up the torque specs on the bolts.

Oil pump screen / tube...its not under the intake...well I guess it is but its on the bottom of the motor it taps into the opening on the pump itself, install the pump just snugging it up..install the screen tube with it as low down as possible..test fit up the pan which will push the screen/tube up..then remove the pan and note where the pickup is..then remove the pump and tube as one peice..tack weld the tube to the pump so that it doesn't happen to fall off..its been known to happen... You want the pickup all the way down touching the bottom of the pan basically so there's no chance of oil stravation.

The white spring installs in the oil puimp before installing the pump...you should see a purple spring in there already...there's 4 bolts to remove that house the pump gears...then depending on the brand of pump, there's a pin that has to be tapped out and wala..the spring falls right out...slip in the new white spring and reinstall the pin (if thats the way you pump is..it could be a screw of sorts holding the spring in....reinstall the gear cover...again, look up the torque specs and use red loc-tite on the threads.

And you'll need to measure with a pushrod length checker to figure out the right length pushrods to get once you got the cam in.

Getting new lifters? Go with GM OEM ones or the Cadillac racing GM lifters, part# 88958689, those are a great lifter for around $250.

dangalla

agreed, plus you can get them on sale right now from http://www.herronperformance.com/
who is a supporting vendor on this site

OPies57

forgot to mention was getting the pcm for less mail order tune and would i be looking at problems if i didnt do the roller rockers they're just not really in the budget now and for pushrods shouldnt i go with stock length?

seawolf06

If you want to try to run stock RR with a cam, then you're gambling. You'd be better off doing the entire valvetrain first, and then do the cam when you have more money. Do it once, do it right.

dangalla

and when you do get those rockers you will have to have the car tuned again, highly recommend gettin the rockers

seawolf06

I don't think you'll need a new tune just for RR. Might help, but not required.

OPies57

what would happen if i didnt do the rollers like damage wise

jsetzer

I broke the tip off a stock rocker with a cc306 and just a couple days driving on it. Rocker was still pushing on the retainer but not the valve, somehow it didn't drop a valve. (magic)

seawolf06

The stock rockers are just stamped steel and cannot stand up to the higher lift and more aggresive lobes of an aftermarket cam. Why are you putting another oil pump on it?

OPies57

good news hit bonus today got the cash for the rollers what size do i need 3/8's? and all ive heard with the 306 is people spinning bearings because of the oil pressure drop off from reving it up to 65k instead of the stock 5k everyone said to go with the white spring then somebody posted the shaft and the screen. i was wondering though if just the white spring would be sufficient cause i have a stock pan and all

seawolf06

You do have to rev the 306 high to take full advantage of the cam, but you can set your rev limiter at whatever you want. Spinning stock bearings is somewhat common, but definitely not a certainty.

The white spring will up your oil pressure and may be good insurance for you. It will be easier to put on a whole new pump instead of changing the spring with the pump in the car as well.