Great info guys. Thanks to all of you. I will hold off on things for a while and save for parts. Might go ahead and go big on everything in the first place
while a good statement in general, this is not 100% accurate ......
The old 351 blocks require a really expensive link bar setup for roller lifters.
...
while a good statement in general, this is not 100% accurate ...
i have an early non-roller block, and did the spider hold down conversion and am using hydraulic roller lifters. i do not have link bar lifters.
the crucial factor here is the lift of the cam.
my cam has a lift around .550", so i can use the spider hold down and be fine.
as the lift gets over .600", then the link bar lifters become necessary because standard lifters may be pushed too far out of the lifter bores.
my engine builder (jan norris who has been building race engines for 40+ years) and my mechanic both told me the same thing, so i have good confidence that what i am saying is accurate. that and the fact that i have been driving the car around like this for over a year now.
Good info to know. Learn something new every day. I had always been told you needed to do link bar lifters. Is your spider setup basically the same setup as a stock 5.0 with a 351 spider pan?
Kurt
What is a 351 spider pan? And do ya'll know what years and models came with the roller machining already done?[/QUOTE
It's the metal pan held down with 2 bolts in the valley that holds the lifter guides in place. I don't know what the official name is. I know for sure that 93' and up 351 blocks come premachined for roller lifters. Maybe a few years before that, but I'm not sure exactly.
Kurt
1/4 mile
Grady
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