USAFVeteran

A video of the car running. I'm sure we'd all like to see and hear it.


I'd put a torque converter in now, as it goes back together....

Redvette_22

Wayno, a good torque converter will take care of that issue

Gordonm

The 981-16 spring really is not much of a spring upgrade over stock. It is a better spring but not much more pressure. Stock rocker arms will handle that spring with no problem. I have used the comp roller tip on much bigger springs than those so you should be fine with any rocker arm. Once you get into solid roller cams with big springs, diameter and pressure do you really need to be running really good rocker arms.

Corvetteoz

Here's a video I took this afternoon for you guys.


The car is together, its a running car. Doesn't look like it will be getting any work done soon as the mechanic is way too busy over Christmas.

Awesome mate, I love Hi Stalls.

I guess I don't need to change the rocker arms, there probably isn't much to gain from changing them. Something to think about.

Redvette_22

PM sent.

USAFVeteran

Thanks for the video. Very nice car!!!!

Corvetteoz

No problem. I was very lucky to get such a quality car with the history it come with.

Corvetteoz

Its my understanding that if I fit roller rockers that require screw in studs, that the original heads will need to be drilled out to take screw in studs anyway. If the heads require removal I might as well go with the 1.6 ratio then.

Jebbysan

A couple of things.....
Roller rockers WILL provide more power.....largely because stock stamped steel rockers are not really 1.52 ratio....(yes 1.52) they may come in at 1.47 or so.....the premium roller tip units will show an increase in power too....
If you have heads with push in studs....stick with the 1.52 ratio.....one, because you do not know how well they are pushed in.....and, two....with 1.6 rockers there is a huge chance that the pushrod will rub the outside of the pushrod slot in the head.....

Jebby

Corvetteoz

Do any of the rockers that I suggested in the first post take the push in studs?

Jebbysan

Any of those will work if you specify for 3/8" stud.....

Jebby

Corvetteoz

Ok so we're down to 2 roller rockers. Which one I haven't decided yet.

Comp cams High energy roller rocker 1.5 ratio 3/8 mount. A full roller rocker that's very good value for money at $259 landed here. Obviously will still need guide plates. Rated at 550lbs of open spring pressure.

http://www.ebay.com.au/itm/Comp-Cams...4AAOSwBahVciBI

PRW Aluminium roller rockers 1.5 ratio 3/8 mount self aligning. Also good value at $319 landed here. Rated at 750lbs of open spring pressure.

http://www.ebay.com.au/itm/162134666...%3AMEBIDX%3AIT

These Elgin stainless steel rocker arms looked ok also but at $227 landed here I thought the the 2 above were better value for money.

http://www.ebay.com.au/itm/181392459...%3AMEBIDX%3AIT

I just found these and although they are not a name brand they do look quite good. Anyone used these Jegs branded roller rockers before?

http://www.jegs.com/i/JEGS/555/20100/10002/-1

Jebbysan

I have run non-locating rollers without guide plates but do not recommend doing so without a set of premium pushrods.......like Trend products. The rockers are heavier.....and will want to "walk" harder.....this makes the pushrod load on the pushrod slot increase.....
I ran my 66' 327 with pinned press in rocker studs, Crane rollers and Trend pushrods for 5 years and about 4500 miles with zero issue.....no guideplates.
If you find the locating rockers where you are at....run those.

Jebby

Corvetteoz

By saying locating rockers you mean self aligning yeah?

Jebbysan

Yes

Jebby

Corvetteoz

I'm leaning towards the PRW self aligning roller rockers. Rated at 750 lbs open spring pressure, which i'll be no where near, a full roller, aluminium and should handle the press pin stud. I just need the mechanic to acquire the right size pushrods.

http://www.ebay.com.au/itm/162134666...AIT&rmvSB=true

69Vett

if you have push in studs, the first thing you should do is replace with screw in.
then add performance parts, once you have hardware that will retain the performance parts.