anyobody have experience with their all aluminum 1.5 RR's. I guess they recently came out with a narrow body version that is supposed to fit under the stock centerbolt valve covers....pt#778-66914 (Jegs)
they specifically say "for centerbolt valve covers" on the 1.6 ratio RR's but dont mention it on the 1.5's. I want to keep the 1.5 ratio b/c my valve springs are about maxed out as it is with the cam alone.
So, do you have them and do they fit without modifications????
they specifically say "for centerbolt valve covers" on the 1.6 ratio RR's but dont mention it on the 1.5's. I want to keep the 1.5 ratio b/c my valve springs are about maxed out as it is with the cam alone.
So, do you have them and do they fit without modifications????
Supreme Member
Just put a set on the TPI'ed 4wd Tahoe I built for a buddy. The 1.6's though. They werent specifically for centerbolt, just 1.6 self-aligners. Went on fine, stock vc's. Probably not gonna last all that well on a daily driver though....
Shagwell, GEEZ man how are you gonna say "probably wont last on a daily" then just hit reply?? LOL Care to expand on that thought???? Thats like worse than blue ***** man
Supreme Member
well, aluminum roller rockers aren't known for lasting too well in a continuous run situation, and the proforms' are cheapy aluminum ones so.......
Supreme Member
I have them on my lt1. After using other roller rockers over the years these are the cheapest made roller rockers i have ever used. I dont think they will last that long. They are built very loose compared to even a summit brand rocker and feel just cheap.. like made in china cheap. you get what you pay for i guess.