Thread: are roller tipped rockers worth the investment?

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Originally Posted by pat mccarthy

yes matt we posted on that at the same time. i did a duel turbo 540 big block and did some work on a duel turbo buick v6

I'm thinking of having a custom turbo ground, somthing like 264 intake dururation, 256 exhaust dururation .450/.445 lift, ground on 112* LCA. that sound right?

Originally Posted by Matt167

I'm thinking of having a custom turbo ground, somthing like 264 intake dururation, 256 exhaust dururation .450/.445 lift, ground on 112* LCA. that sound right?

i think bit more on the lsa 114? and less on the ex dururation 252

is valve overlap at 30 ok? I just put those specs in dyno 2000 and it comes up to 30 for valve overlap

Originally Posted by Road Agent

You gonna put a fart can on it too Matt??

Hey,my mon was a fartcan.

Originally Posted by Road Agent

You gonna put a fart can on it too Matt??

No, but I'm gonna use a stainless steel exhaust tip, that right there should net me 20 extra horses

seriously I don't belive putting a turbo on an american car is ricey, specially being the turbo came off of an american car. I will probably use a glass pack, like I have now.

a type R badge and some vinyls will give you like 120+ HP


and btw full rollers are definately the way to go.... i used the roller tips on my 200 and they broke pretty fast (like 500 miles or so)

i've never used OZ parts though.... i've heard their ford HEI distributors are junk though

Originally Posted by thesals

a type R badge and some vinyls will give you like 120+ HP


and btw full rollers are definately the way to go.... i used the roller tips on my 200 and they broke pretty fast (like 500 miles or so)

i've never used OZ parts though.... i've heard their ford HEI distributors are junk though

you talking about the classic inlines DUI distributors? there dyno tested to give an average HP gain of 13 HP over a stock single point distributor. the dyno testing results for that is on the ford six forums.

I had to trade a set of aluminum roller rockers for a set of stamped steel/roller tips.. the valve covers wouldn't clear the rockers.. and I couldn't use taller valve covers and get the accessories ( A/c, etc) to fit. the stamped steel ones worked fine for 50K miles+ the extra lift seemed to help at higher rpms ( this was a 85 bonneville- 5.0 4bbl). as long as you have piston/valve clearance and valve covers height isn't an issue I'd do the real roller rockers. but, the stamped steel/ roller tips are fine. the name brands will insure that you REALLLY have 1.6 ratio. Stock parts tend to vary even at 1.5. If you know that you have dished or falt top pistons, you'll likey be fine on clearance... but it pays to check// ESPECIALLY if you change cams!!