How to tell which Rockers I have?

jwaked

New Member
Jul 13, 2008
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Like some of you know, I bought a 91 LX 5.0 for a good price but the previous owner has no clue on some of the mods, he just gave money to the shop and thats it.

Now I am trying to figure out what was done to it and the shop went out of business.

How can I tell what size rockers I have? I want to buy a blower cam most likely a B31 Anderson Ford for nice street manners but they sell one of 1.6 rockers and another for 1.7. What can happen if I buy the one for 1.6 and ends up I have the 1.7 rockers?

This is what I have so far:

Mods Engine
--70mm Acufab Throttle Body
Pro Products Typhoon intake
621030 42lb Lucas injectors
Intrepid fans
Dcc fan controler
Cobra pulley
Tremec 500
Aluminum heads (no idea which)
S trim vortech 15 lbs
3g alternator
 

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