Visit The Dirt Forum for More Information

Author Topic:   Roller Rockers w/o the stud girdle
WesternAuto17
Member
posted April 26, 2002 09:03 AM
My stud girdle and poly locks have been on back order for 2 months (hmm) and I want to start the motor.

Can I use some other kind of nut to hold the rockers for now? Forgive me if this is a stupid question, I have no experience with rollers or mechanical cams.

Also, how do I break in a mechanical cam? The entire motor is new.

Thanks

sdhnc29
Member
posted April 26, 2002 11:59 AM
You will have to use the poly locks that are designed for your rockers . There is a machined area that the poly locks will seat in , and a normal nut will not work . As for cam break in ..... Start the engine , and run it up to 2,500RPM for about 10-15 minutes . DO NOT LET IT IDLE !! Having your stud girdles on back order for 2 months is ridiculous !! I'd cancel , and buy them from some place else !

------------------
Hendren Racing Engines
Rutherfordton , NC
(828)286-0780


Flatlander
Member
posted April 26, 2002 01:31 PM
I agree about the back order situation. The problem was that they said the heads were on back order, when they finally sent the heads, the didn't send the girdle, said it was on back order now.

As soon as I get my money back or, perhaps, the girdle, I'm gonna put a post in every forum to stay away from this particular store.

How are you checking the timing befor you start it? I'm going to lock the distributor at full advance and than set the total at 36 deg after its started. Am I making a mistake? I was gonna rotate the cap until it wants to start and set the real timing after its broke in.

(12.5 to 1 406 V8)

Flatlander
Member
posted April 26, 2002 05:49 PM
Follow what flatlander said about initial start up and dist. setting's . Once your started , just set your timing , and continue your break in procedure . I would definitely lock your advance , especially if your using a HEI . A word of advice though ..... in the dyno testing that we have done , most every vortec head engine run's best at about 33-34 degrees of timing . This is due to the fast burn chamber design .

------------------
Hendren Racing Engines
Rutherfordton , NC
(828)286-0780


WesternAuto17
Member
posted April 29, 2002 09:33 AM
Here's my plan for locking in the distributor - I have (2) 1/8" roll pins so I think I'll drill 3/32's holes and knock the pins in. Will a 3/32's be large enough hole? I don't want them to come out. Is there a better way than this to lock her in?

Second, I have Dart 215 Iron Eagle heads, not Vortecs. What should I start the timing at with them?



sdhnc29
Member
posted April 29, 2002 12:26 PM
Don't worry about roll pin's , just a few tack welds on the advance plate will take care of you .

Iron Eagles run best at 36 degree's in most applications .

------------------
Hendren Racing Engines
Rutherfordton , NC
(828)286-0780


WesternAuto17
Member
posted April 29, 2002 01:11 PM
Well thats what I was gonna do, but I was told that would warp the metal and make it not spin true.


sdhnc29
Member
posted April 29, 2002 06:48 PM
No , I've never had a warping problem . I suppose if a guy laid a big old thick weld on it then it would warp . We generally tig weld them .

------------------
Hendren Racing Engines
Rutherfordton , NC
(828)286-0780


Back to the Archives