Rockers are installed....vrooom! - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 08-15-2004, 02:42 PM   #11
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Quote:
Originally Posted by Sol
Looks like everyone is getting rockers these days ... maybe I should get some.
Or a cam? Only a few dollars more but a lot more work, you can always get help in your location.
Rockers:
105 springs $130
retainers $130
push rods $97
3rg gen rockers $400
Valve cover gaskets $20
Valve locks $25
Total $802

Cam:
105 springs $130
retainers $130
valve locks $25
Cam $300
lifters $157
timing set $200
push rods $97
install kit $60
Total $1099

So for about 300 more you can pick up another 10 ponies, plus the bottom end will be a bit better.
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Old 08-15-2004, 03:09 PM   #12
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He forgot to mention how much fun it was doing the first one...... . But seriously, he did a great job and I think the car is ready for me to hand some people their a**es next weekend
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Old 08-15-2004, 03:58 PM   #13
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Good to hear that you like them, I know I sure do. Sounds like your install was fairly painless as well.

Sol, you can save a few bucks by getting different parts:
Steel retainers instead of titanium, LS6 valve springs, you dont need valve locks(just make sure you dont lose any durning the install, they are little and can be hard to get clipped in place).
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Old 08-15-2004, 04:05 PM   #14
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congrads p dad on the new comings of the hp use the force p dad it is strong in u
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Old 08-15-2004, 06:19 PM   #15
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The thing is, with rockers you don't NEED a lot of that stuff. You can also save a lot of money if you go with the non-rollers, which will only lose you a couple horsepower. You have to remember the fastest stock cammed L67 powered car has non-roller rockers in it. (I would know, I put them in ) IIRC its like $100+ cheaper for the non-rollers. Also, ZZP is coming out with rollers for $339 very soon...so I will use that in my parts list below. You also don't need the locks. You don't need 105lb. springs...90lb. springs are PLENTY for rockers. Basically, this is the parts list for what I would do with rockers:

Rockers: $339
90lb. Springs: $99
Valve Spring Retainers: $59
Pushrods: $96

Total: $593 (all prices from ZZP and don't include shipping)

With the cam, again the expensive retainers aren't necessary at all IMO, and neither are valve locks...just make sure you don't lose any. My cam price list:

XP Cam/105lb. springs/retainers: $459
Pushrods: $96
Timing Chain/Sprockets: ~200 (not sure didn't look up prices)
Install Kit: $89
Lifters: $157 (also not sure, took from pontiac dads pricing)

Total: $1001 (all prices from ZZP and don't include shipping)

You also have to remember that with the cam you have to drain your coolant and your oil (you should change your oil with rockers but it isn't necessary). So thats an additional $25 or so.

So, the cam is about $400 more and is approximately 3 times as much work. (from my experience, its about 3 times as much work, its all personal opinion I guess)

Wow, I also noticed how much more L67 parts cost than mine. My cam and lifters set cost $152. It was ~$500 for all the parts for my engine, plus my $110 heads, $130 UD pulley, $40 Injectors, and a few other miscellanious things making it total about a grand, but if I just did a cam swap it would cost me like half as much as an L67.

Anyways, depending on how serious you want to get, I would go with rockers. The cam will also require some PCM work on top of just a DHP and tuning with the cam isn't fun either. You will also lose some gas mileage, whereas with rockers mileage goes up. Some things you have to consider. Before my dad switched to 3.29 gears he got 37mpg on the freeway in a car that at that time ran 12.40'*. Do that with an aftermarket cam! He now gets about 29mpg on the freeway, but I don't think many people with cams get that even wtih stock gearing. If you're shooting for 12'*, a cam will be the most effective mod to help you get there. If all you want is mid 13'* or so, rockers are fine. I wouldn't have changed the cam in my engine except that I was already tearing the engine apart (due to bad valve guides and blown headgasket) and it only cost me an extra couple hundred to change it and I already had to do 90% of the work. Not only that but the stock cam isn't turbo oriented in any way, so it wasn't very good for power...too much overlap...I just got a cam with a hair more lift and duration, but a lot less overlap to compliment my turbo. Another thing I like about my cam is that it should idle smoother and have MORE vacuum at idle. Its a more streetable cam...you can't beat more streetable and more power.

One piece of advice if you do decide to go with a cam though, do some research on cams so you understand exactly what one aspect of a cam effects, that way you can pick the cam that is setup how you want.

Shawn
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Old 08-15-2004, 06:33 PM   #16
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I also noticed that ZZP is coming out with some rockers. I will probably wait until next spring to get the rockers and pulley. Hopefully ZZP has them available by then.


... Sorry for the thread-jack.
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Old 08-15-2004, 07:24 PM   #17
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Quote:
Originally Posted by Sol
I also noticed that ZZP is coming out with some rockers. I will probably wait until next spring to get the rockers and pulley. Hopefully ZZP has them available by then.


... Sorry for the thread-jack.
Thats not a thread jack its part of the discussion.

You bring up some good points Shawn, The main reason I did not go with the cam is $$, if I were to up the cam I would also do the heads which takes alot.

The rockers are fine for the next few years, I have to work on transmission and suspension this winter with brakes this fall? Its all about money and mine has to do more than just mod the car
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Old 08-15-2004, 10:47 PM   #18
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Congrats on your flawless rocker install!

One thing I'd like to bring up though, on my car the only thing that I had to remove was the MAP sensor bracket. I didn't have to touch the alternator bracket and you said you did, so I'm assuming this is a 00+ Bonnie issue. Any other pre 2000 SSEi'* do the same?
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Old 08-16-2004, 12:56 AM   #19
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I know we took my alternator off, but I don't remember if it was for more space or because the valve cover couldnt be removed with it on. I'll have to check that.
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Old 08-17-2004, 02:01 PM   #20
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its probably a preference of the person installing them.
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