1.6 rockers?
04-14-2007, 03:28 PM
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1.6 rockers? how much good do they do, can i use cheap stamped steel ones, do i need different springs or anything else, and will i need a tune afterwards? just a few questions, i am thinking of getting some
04-14-2007, 04:06 PM
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its a good idea to get new springs, the stamped steel ones arent too great, get full roller rockers if you want a bigger difference
and IMO dont buy aluminum ones
and IMO dont buy aluminum ones
04-14-2007, 04:09 PM
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well i am trying to stay cheap so i was looking at stamped steel ($60 < $300), but i dont know if they even make them for the LT1? aslo, how would it sound with the 1.6? is it similar to a cammed motor, with the lumpy tone?
04-14-2007, 04:41 PM
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Stamped steel ones are just roller tip and aren't worth it. You want full roller.
Cappy, I already have Crane Gold 1.6's, on a stock cam, you'd recommend against using them?
Cappy, I already have Crane Gold 1.6's, on a stock cam, you'd recommend against using them?
04-14-2007, 07:07 PM
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but can you get stamped steel ones anywhere for an LT1? all i can find are Gen 1 motors. i understand that rollers would be better, but wont i still benifit from the increased lift?
04-14-2007, 07:45 PM
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Originally Posted by LT1Falcon
but can you get stamped steel ones anywhere for an LT1? all i can find are Gen 1 motors. i understand that rollers would be better, but wont i still benifit from the increased lift?
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04-14-2007, 11:48 PM
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Well some of the Corvettes came/come with 1.6 and 1.65 full roller. I'd just check eBay for everything. I think the Bowtie ones are blue anodized aluminum.
Crane makes stamped 1.6 non-roller that are both SA and non-SA. I know, I bought a set a few years back heh. If you're that pressed for cash, I guess stamped 1.6 roller-tip is better than nothing. Just make sure whatever you get is 86 and new for Self Aligning.
Crane makes stamped 1.6 non-roller that are both SA and non-SA. I know, I bought a set a few years back heh. If you're that pressed for cash, I guess stamped 1.6 roller-tip is better than nothing. Just make sure whatever you get is 86 and new for Self Aligning.
04-14-2007, 11:59 PM
#10
Originally Posted by Formula350
Well some of the Corvettes came/come with 1.6 and 1.65 full roller. I'd just check eBay for everything. I think the Bowtie ones are blue anodized aluminum.
They are all Silver from what I have seen, my Dad owns a beautiful 1996 Collectors Edition LT4 M6, and his are Silver Bowtie 1.6 RR's.
If you do find the Factory LT4's, they will not work on the LT1 3/8" Rocker Studs, you need LT4 7/16" Studs.
04-15-2007, 03:42 AM
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No, only 96 did.
I could've SWORE the 1.6 were Blue, but I think you're right :\ What I didn't know is Crane makes them o_0
Anyways, you could go absolutely insane and get some LS1 1.8s
http://cgi.ebay.com/ebaymotors/1-8-x...04826159QQrdZ1
Or here's a set of the Sliver 1.6's that are fairly cheep atm.
http://cgi.ebay.com/ebaymotors/Chevy...99894686QQrdZ1
Now, I don't know what stud size LT1's use, thats my only bit of misguidance I might be giving. The above are 3/8, and I think the ones we use are 7/16, but someone please correct me.
Here's a stamp set of 1.6 roller tip 3/8 for $60 (new)
http://cgi.ebay.com/ebaymotors/New-S...99923099QQrdZ1
Same ones, but 7/16 for $160 :S
http://cgi.ebay.com/ebaymotors/New-S...99923084QQrdZ1
No-name full roller 3/8 and 7/16 for $118 (same seller, just check his listings)
http://cgi.ebay.com/ebaymotors/NEW-A...15513162QQrdZ1
I DID NOT CHECK TO SEE IF ANY OF THESE ARE SELF ALIGNING. So read through and make sure if they are or are not. If they don't say, email the seller.
I could've SWORE the 1.6 were Blue, but I think you're right :\ What I didn't know is Crane makes them o_0
Anyways, you could go absolutely insane and get some LS1 1.8s
http://cgi.ebay.com/ebaymotors/1-8-x...04826159QQrdZ1
Or here's a set of the Sliver 1.6's that are fairly cheep atm.
http://cgi.ebay.com/ebaymotors/Chevy...99894686QQrdZ1
Now, I don't know what stud size LT1's use, thats my only bit of misguidance I might be giving. The above are 3/8, and I think the ones we use are 7/16, but someone please correct me.
Here's a stamp set of 1.6 roller tip 3/8 for $60 (new)
http://cgi.ebay.com/ebaymotors/New-S...99923099QQrdZ1
Same ones, but 7/16 for $160 :S
http://cgi.ebay.com/ebaymotors/New-S...99923084QQrdZ1
No-name full roller 3/8 and 7/16 for $118 (same seller, just check his listings)
http://cgi.ebay.com/ebaymotors/NEW-A...15513162QQrdZ1
I DID NOT CHECK TO SEE IF ANY OF THESE ARE SELF ALIGNING. So read through and make sure if they are or are not. If they don't say, email the seller.
04-15-2007, 04:26 AM
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I used to have the Comp Roller Tip 1.6 Rockers. Everyone wants Full Roller, but you will see an improvement gain on the roller tip rocker swap. I gained 2 tenths in the 1/4 with just the rocker swap. If your on a budget, i'd say go for it....
04-15-2007, 07:21 AM
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so it is possible to find and run stamped rockers on an LT1? can somebody show me where to find them, i already tried summit and jegs, all they had were rollers. will i notice a difference in exhuast tone? and can i use my stock springs (its got 72k miles on it)
04-15-2007, 10:21 AM
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Originally Posted by Formula350
Stamped steel ones are just roller tip and aren't worth it. You want full roller.
Cappy, I already have Crane Gold 1.6's, on a stock cam, you'd recommend against using them?
Cappy, I already have Crane Gold 1.6's, on a stock cam, you'd recommend against using them?
this is my "rant" over in ls1lt1.com because a guy tried to make me look dumb when I said that aluminum rockers werent for daily drivers and only from strip machines.
Originally Posted by 96lt1m6
Originally Posted by 96lt1m6 View Post
Lt4's came with aluminum 1.6s and they were designed to be driven daily
Lt4's came with aluminum 1.6s and they were designed to be driven daily
Originally Posted by Captainofiron
""designed" yea maybe,the more correct term would be it was cheap and passed our safety factors so GM produced it.
well have you ever heard of a thing called engineering metallic fatigue?
under a cyclic load and with high temperatures present in the cylinder head it can cause fatigue in a lower strength metal such as Aluminum, not only that but aluminum also has both lower possions ratio and lower shear and elasticity moduli
This leads to rocker arms failing at the fulcrum, I have seen happen many times, on "quality" aluminum rockers such as the Crane gold.
Let me give you an example a plain jane 1040 Steel alloy has a Yield strength rating of 60500 PSI, while the hardcore 7075 Aluminum alloy has a yield strength rating of 15000 PSI, huge difference.
my point is these aluminum parts e.g. rockers or connecting rods are meant to be used in short bursts, like a race car, there is to great a chance of failure if used normally for long periods of time on cyclic loading.
Im not saying they wont work, but I wouldnt put them in my car"
Last edited by Captainofiron; 04-15-2007 at 10:28 AM.
04-15-2007, 07:03 PM
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Well get some harden push rods they are about $80. If you wanna stay cheap get proform roller rockers they are $180. Then to have them installed its about 2.5 labor hours. Dont half *** it you'll just end up spending more money and be un happy.
04-15-2007, 07:59 PM
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Originally Posted by Formula350
How many miles would you give them if a person DID install them? I ask, because I don't drive all that much.