what size rockers for Trex cam?

**xmarkx** · 03-30-2010, 09:41 AM

hi I'm new on here, this is my first post. I tried to search for the answer myself but I probably overlooked it .
I'm going with patriot extreme springs on ported stock heads with stock valves. I asked the tech at TR and he recomened 7.425 push rods and to stay with the stock 1.7 rockers. I also read a review on GM high tech where they used stock rockers with this cam and they wore out the guides.

has anyone used bigger rockers with this cam? would I be safe running 1.72 rockers?

**DaddySS** · 03-30-2010, 03:33 PM

The stock rockers are fine. That article involved heads with brass guides, the theory being that rollers would put less lateral stress on the guides. You'll find that about 90% of cammed cars run stockers (for years now)without issues so I wouldn't be concerned.

If you're going to look at rockers, pay attentiontion to whether or not valve covers need to be clearenced, etc.

**xmarkx** · 03-30-2010, 05:36 PM

ok thanks, that helps alot.

**marksls1ta** · 03-30-2010, 05:40 PM

I ran a g5x4 with stock rockers for about a year and have ran the same rockers for a blower cam for another two years.

You should be fine with the stockers.

Mark

**xmarkx** · 03-31-2010, 06:50 AM

Originally Posted by marksls1ta

I ran a g5x4 with stock rockers for about a year and have ran the same rockers for a blower cam for another two years.

You should be fine with the stockers.

Mark

wow I didn't realize they could handle so much. this is my first LS1 car, I had a 95 TA before and one of the first nesecary supporting mods you have to do when swapping a cam on the LT1 is ditch the stock rockers, so I just assumed (WRONGLY) that it would have to be done on these motors too