need advice on which rockers to get

[v-8power]

I have the job completed. I'll post pics ASAP. Also the new pushrods were the same length as the old ones.

 

[v-8power]

I made a little video right before i started, then another after it was done. The only thing you can tell is, I need a new camera.

Before

http://s90.photobucket.com/albums/k242/351power/?action=view&current=DSCN0868.mp4


After

http://s90.photobucket.com/albums/k242/351power/?action=view&current=DSCN0869.mp4

 

[COPPERHEAD85]

Looks good!

 

[v-8power]

Looks good!

Thanks

 

[NMB2]

Been there & done it many times. Never had a problem. Running them currently in my 331 with Canfields and 1.7 rockers. 7 years running in it now.

being a 331 has no bearing on the pushrod length.

My point was that there is more to it than just saying "ya they'll work"

there are alot more factors involved. I found this out the hard way when I cammed my 5.0 and was told "ya the 6.25's will work" and they ended up .050" too short.

Head, head gasket thickness, cam manufacturer all plays a roll in your pushrod choice.

 

[bobbywalter]

I have a 1987 302 with E-7 heads that are stock. I would like to get a different set of rockers. Do these have pressed in or screw in studs from the factory?

Should i get 1.7 ratio? Roller or regular? Any help or advice would be appreciated.

Any brand that I should defiantly stay away from?

Is that what they mean by non self-aligning? Have to have guide plates?

I have a set of E7 heads for a 351w, already built up with new springs, screw in studs, guide plates. I might just go ahead and get rockers for these heads and put them on.

These rockers will work fine with no other mods required. These are esentially the same rockers as the 93 Cobra 5.0's had from the factory(which were made for Ford by Crane). Just make sure and buy new pushrods (6.25" long) as roller cammed engines don't spin the pushrods and the rocker end of the pushrods end up with a somewhat "knife edge" after about 100K miles. Pedestal rockers need no studs nor guide plates to align them, the stamped steel channels under the rocker pedestals perform this function. Just bolt em down and torque to 25 ft/lbs when you install em. No other adjustments should be needed with your combo.

baddad457 already told me what length to order.

The stock length pushrods will be fine with what he's running. (6.25")

being a 331 has no bearing on the pushrod length.

My point was that there is more to it than just saying "ya they'll work"

there are alot more factors involved. I found this out the hard way when I cammed my 5.0 and was told "ya the 6.25's will work" and they ended up .050" too short.

Head, head gasket thickness, cam manufacturer all plays a roll in your pushrod choice.

with info given, this in worst case would have to short a p/r from head mill-block deck.

but the point needs to be recognized by nmb2 that as a matter of etiquette, checking p/r length is always proper, and usually even taking time to degree the cam and confirm valve events. but with cookie cutter setups these things get overlooked and sometimes performance is lost or gained a bit...

when a guy feels compelled to ask maybe we should have pushed the direstion of how he could have measured these dimensions on his own. unfortunately this is about as far as i am willing to type


i am confidant that baddad knows if he was to construct a 7000 rpm solid roller engine, it would likely have 7 different length pushrods if it was a pushrod engine....

and this point nmb2 is a worthy one for the new builders to consider

 

[baddad457]

being a 331 has no bearing on the pushrod length.

My point was that there is more to it than just saying "ya they'll work"

there are alot more factors involved. I found this out the hard way when I cammed my 5.0 and was told "ya the 6.25's will work" and they ended up .050" too short.

Head, head gasket thickness, cam manufacturer all plays a roll in your pushrod choice.

Sure the fact that it's a 331 has little to do with it, but point is, even with Canfield heads and 1.7 rockers, the stock length pushrods are the correct length. Just as they were in several other motors I built. Chances are, His should be no different Simply assuming they're not the correct length is just as assinine as you were implying my advice was to him. I've been around the block more than a few times with these engines, contrary to what you are assuming here..

 

[originalnitro]

Sure the fact that it's a 331 has little to do with it, but point is, even with Canfield heads and 1.7 rockers, the stock length pushrods are the correct length. Just as they were in several other motors I built. Chances are, His should be no different Simply assuming they're not the correct length is just as assinine as you were implying my advice was to him. I've been around the block more than a few times with these engines, contrary to what you are assuming here..

Please explain why engine bore and stroke would influence pushrod length?

 

[baddad457]

Please explain why engine bore and stroke would influence pushrod length?

Where did I say it did ?

 

[originalnitro]

being a 331 has no bearing on the pushrod length.

My point was that there is more to it than just saying "ya they'll work"

there are alot more factors involved. I found this out the hard way when I cammed my 5.0 and was told "ya the 6.25's will work" and they ended up .050" too short.

Head, head gasket thickness, cam manufacturer all plays a roll in your pushrod choice.

Sure the fact that it's a 331 has little to do with it, but point is, even with Canfield heads and 1.7 rockers, the stock length pushrods are the correct length. Just as they were in several other motors I built. Chances are, His should be no different Simply assuming they're not the correct length is just as assinine as you were implying my advice was to him. I've been around the block more than a few times with these engines, contrary to what you are assuming here..

^^^^

 

[baddad457]

So, where did I imply it had anything to do with it ? I merely used it (the 331)as an example as it uses the same block as a 5.0. You're nitpicking here and implying that you're somehow superior to everyone else. over nothing of consequence.

 

[bobbywalter]

words......fail...me

 

[originalnitro]

So, where did I imply it had anything to do with it ? I merely used it (the 331)as an example as it uses the same block as a 5.0. You're nitpicking here and implying that you're somehow superior to everyone else . over nothing of consequence.

I NEVER implied that.
When asked to explain your statement you get defensive and start bashing someone. If nitpicking is paying attention to the details then I guess I'm a nitpicker. I guess its easier to bash someone than it is to own up to a simple wording mistake.
Have a good day.

 

[baddad457]

good luck with that.

Where? How about this ?

 

[baddad457]

Please explain why engine bore and stroke would influence pushrod length?

Then this.