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Let's Settle This: Stamped or Roller?? (pics)


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Posted

Alright, I'm settling this for good now. Are these stamped or roller rockers? Sorry for the horrid pics:

 

DSCF0159.jpg

 

DSCF0158.jpg

 

Justin posted some helpful pics of roller and stamped rockers, and these look an awful lot like stamped, but then someone else said they were both roller rockers.

 

To clarify: I'm getting ready to do the 3400 top end swap for my auto class project, and I'm trying to make sure I don't need to get 3400 heads for this to work properly.

Posted

I can't really tell by that pic, but if there's a roller on the part of the rocker that pushes on the spring, then it's a stamped roller tipped rocker.

Posted

Yeah, those are stamped. Sorry I didn't clarify earlier, but there are roller rockers, and roller tip rockers. You can have stamped steel rockers with a roller tip, but they're still stamped, which was the point I was trying to get across in the other thread. As far as I know there are no roller tip rockers in any 60* engines from factory, just roller body and stamped body.

Posted

Well, guess I'm getting 3400 heads. I was figuring on that anyway. :x Thanks guys! Here's a pic of my intake, too:

 

intake1.jpg

Posted

Definately stamped as was already said.

 

Let me know what kinda gain it gives...

 

Shawn

Posted

its the 96+ 3100's that got roller rockers

Posted
Nice intake! What year is it from?

 

It's from a 2001 Olds Alero. I thought it was from a Montana van, but I guess it doesn't matter.

Posted
its the 96+ 3100's that got roller rockers

 

I know, but I was told that some '95s got it.

Posted
they might have the provions for it

 

No, the heads are completely different as I understand it.

Posted
they might have the provions for it

 

Yeah, I few 95 3100s did have the grooves on the rocker stud hole for the roller rockers. There's no rhyme or reason to which cars/motors had the provisions for it. I remember a post like a year or two back where someone found roller rockers on a 95 3100 at GM dealer they worked at.

Posted
they might have the provions for it

 

Yeah, I few 95 3100s did have the grooves on the rocker stud hole for the roller rockers. There's no rhyme or reason to which cars/motors had the provisions for it. I remember a post like a year or two back where someone found roller rockers on a 95 3100 at GM dealer they worked at.

 

:bash: I hate GM sometimes.

Posted

I'm tellin ya, if you have the time or money, do a 3400 swap! I can't believe how much grunt the 3400 has over the 3100. The 3400 is only up 20 hp and 20 lb/ft over the early 3100's, but as far as I can tell it's at least on par with a Series I 3800 in the "seat-of-the-pants-dyno" department...

Posted
I'm tellin ya, if you have the time or money, do a 3400 swap! I can't believe how much grunt the 3400 has over the 3100. The 3400 is only up 20 hp and 20 lb/ft over the early 3100's, but as far as I can tell it's at least on par with a Series I 3800 in the "seat-of-the-pants-dyno" department...

 

What about a series 2 3800 :lol:

Posted
I'm tellin ya, if you have the time or money, do a 3400 swap! I can't believe how much grunt the 3400 has over the 3100. The 3400 is only up 20 hp and 20 lb/ft over the early 3100's, but as far as I can tell it's at least on par with a Series I 3800 in the "seat-of-the-pants-dyno" department...

 

I would do that if there was some way Patgizz would help me do that. Like, I'd drive up there, and we'd swap it, and I'd pay him about $400 for both the motor and the help. I'm singling out Patgizz because I know he has a 3400 for like $300 he's selling. :lol: Plus he lives in Ohio.

Posted
What about a series 2 3800 :lol:
Naaw, it's not that quick :wink: ...
Posted
What about a series 2 3800 :lol:
Naaw, it's not that quick :wink: ...
]

 

 

:lol2:

 

 

nothing can overcome a 3800 series 2 :roll:

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