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Print in friendly format Send this term to a friend  Mouse Motor
GM production small block engines were known as Mouse motors.

Early SBC

4.3L 265ci - 1955 thru 1956
4.6L 283ci - 1957 thru 1962
4.9L 302ci - ...
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Travis93 Drip tabs and GMPP 1.6 rockers.
Senior Guru
Cleveland Ohio
205 Posts
Member since:
2008/2/13 0:00



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I just want to make sure before I start cutting, these are the drip tabs right?

Resized Image

With GMPP 1.6 rockers do they have to be removed completely or could I get away with cutting maybe 1/4 inch off?
Posted on: 2008/3/1 21:40
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93ragtop RE:Drip tabs and GMPP 1.6 rockers.
Guru
Manassas Va
61 Posts
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2008/2/26 0:00



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I suppose you could try, but they cut easy and you would take a chance that they would hit. With roller rockers they are not used anymore.
Posted on: 2008/3/1 21:49
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93 White Vert. 3.73 gears, Yank 3000 converter,385ci. Built by Rklessdriver!! Ross pistons, Scat Rods, and Crank, custom Mike Jones Cam, AFR 210 heads, Exotic Muscle LT headers, magnaflow mufflers Meziere water pump. My best run 11.19 ET at 124.63mph
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ironcurtain RE:Drip tabs and GMPP 1.6 rockers.
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39 Posts
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2007/12/29 0:00



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Yes those are the drip tabs. i did the same thing!

I used a grinder(somewhat) and I took them all off. they seem to work great but i feel like the car isn't to its fullest potential at high RPM but it doesnt seem to hit. but then again im paranoid so well see.

go ahead and take them off and i actually had double gaskets and they fit just fine. i used 1.6 LT4 roller rockers from GMPP
Posted on: 2008/3/1 21:56
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1995 Aqua Metallic Corvette. LT4 Hot Cam, Ported Heads, 3.73 Gears, Edge Torque Converter, Long Tube Headers, and X-Pipe.
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biggrizzly RE:Drip tabs and GMPP 1.6 rockers.
2011 Memorial Day Car Show Winner!
Chesapeake Beach, Maryland
4543 Posts
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2006/4/23 0:00



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I just removed mine from my valve covers not 1 hour ago.
I used a stout pair of plyers to break them off.

I also had to use a dremel with a barrel sander on it to relief those walls of the breather baffles because the fulcrum of the rocker was just touching them a bit.

The tabs snap off easily.

Travis, since you have LT1 covers you won't be doubling gaskets or anything. L98 guys and LT1 guys do slightly different things on vlave covers. Install your rubber gasket dry on the LT1
Posted on: 2008/3/1 22:39
_________________
Don Haller
Corvette Club of America
94Coupe, 383Stroka, PeteK Trans, 3000stall, 3.54rear, Konis and bigger sways.
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Travis93 RE:Drip tabs and GMPP 1.6 rockers.
Senior Guru
Cleveland Ohio
205 Posts
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2008/2/13 0:00



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Quote:
I also had to use a dremel with a barrel sander on it to relief those walls of the breather baffles because the fulcrum of the rocker was just touching them a bit.


Did you happen to get a picture?


I was hoping to leave a bit of tab left in case I ever end up going back to the stock setup. I guess I could just get some 1.5 roller rockers to put in there and leave the stamped ones out.
Posted on: 2008/3/1 23:38
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biggrizzly RE:Drip tabs and GMPP 1.6 rockers.
2011 Memorial Day Car Show Winner!
Chesapeake Beach, Maryland
4543 Posts
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2006/4/23 0:00



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Quote:
Quote:
I also had to use a dremel with a barrel sander on it to relief those walls of the breather baffles because the fulcrum of the rocker was just touching them a bit.


Did you happen to get a picture?


I was hoping to leave a bit of tab left in case I ever end up going back to the stock setup. I guess I could just get some 1.5 roller rockers to put in there and leave the stamped ones out.


No picture - I got on a roll and installed both covers, got the new injectors in and the fuel rails in place. Now I'm buttoning up all the electricals and little stuff.

some threads on CF had people only removing a portion of the tab, for just the reason you want to. It is just I have no idea how much is enough.
I doubt very much my engine will ever see a stamped steel rocker ever again. In the old days small block chevies I had, I don't remember no drip tabs on those stamped steel covers.
Posted on: 2008/3/2 0:04
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Don Haller
Corvette Club of America
94Coupe, 383Stroka, PeteK Trans, 3000stall, 3.54rear, Konis and bigger sways.
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Travis93 RE:Drip tabs and GMPP 1.6 rockers.
Senior Guru
Cleveland Ohio
205 Posts
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2008/2/13 0:00



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Sounds like you are about ready to tear up the pavement. I wish I was, going to be tell at least April befoere the weather will be right to get it out of the garage but I Plan to have it ready to go as soon as I can.

How do you tell its hitting? Just try and slip it on and if it does not seat cut some more off or do you have to bolt it down and crank the motor over? I may try leaving just a little nub and see what happens unless someone talks me out of it.
Posted on: 2008/3/2 0:14
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jsup RE:Drip tabs and GMPP 1.6 rockers.
Elite Guru
1778 Posts
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2005/9/9 0:00



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Get a LONG flat tip screwdriver and a fiber or rubber hammer.

Put the VC on the bench, the screwdriver goes between your thumb and pointer finger while you hold the VC. Put the screwdriver right on the top of the drip tab.

Wack it with the fiber hammer (fiber works better as it doesn't bounce)

The tab would snap off, grind anything that's left.

You can knock all of them off in just about 2 minutes.
Posted on: 2008/3/2 2:23
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Parts don't make power, engines make power.
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ninetyfivevette Re: Drip tabs and GMPP 1.6 rockers.
Guru Newb
Rhode Island
81 Posts
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2007/12/31 0:00



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Another option if you have some money burning a hole in your pocket is to get the OEM 96 valve covers (they will clear roller rockers without modification).
Posted on: 2008/3/3 15:31
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Travis93 Re: Drip tabs and GMPP 1.6 rockers.
Senior Guru
Cleveland Ohio
205 Posts
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2008/2/13 0:00



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I was wandering how the LT4 got by, unfortunatly I am already a couple K over budget.
Posted on: 2008/3/3 18:23
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Strick Re: Drip tabs and GMPP 1.6 rockers.
Guru
Lake Wylie, SC
129 Posts
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I used a Dremel tool with a little fiber saw on the tip. Sliced the tabs right off. I'm not sure breaking them off is a good idea, as magnesium breaks easily.
Posted on: 2008/3/4 2:04
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92 LT1, 6 speed, 3.54 rear, headers, B&B catback, Hurst shifter, polished ZR1 5 spoke wheels, Meziere electric water pump, other mods.
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Travis93 Re: Drip tabs and GMPP 1.6 rockers.
Senior Guru
Cleveland Ohio
205 Posts
Member since:
2008/2/13 0:00



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Quote:

Strick wrote:
I used a Dremel tool with a little fiber saw on the tip. Sliced the tabs right off. I'm not sure breaking them off is a good idea, as magnesium breaks easily.


I was going to use a dremel too, seems like the safest way to go. I am just wandering right now how much would be safe to leave behind.
Posted on: 2008/3/4 4:31
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ninetyfivevette Re: Drip tabs and GMPP 1.6 rockers.
Guru Newb
Rhode Island
81 Posts
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2007/12/31 0:00



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Quote:

Travis93 wrote:
unfortunatly I am already a couple K over budget.


I know what you mean... So what's another $160?
Posted on: 2008/3/4 16:30
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Randyj75 Re: Drip tabs and GMPP 1.6 rockers.
Guru Newb
MD
129 Posts
Member since:
2006/2/10 0:00



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Quote:

ninetyfivevette wrote:
Quote:

Travis93 wrote:
unfortunatly I am already a couple K over budget.


I know what you mean... So what's another $160?



Sad but true...
Posted on: 2008/3/7 1:23
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biggrizzly Re: Drip tabs and GMPP 1.6 rockers.
2011 Memorial Day Car Show Winner!
Chesapeake Beach, Maryland
4543 Posts
Member since:
2006/4/23 0:00



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Quote:

Strick wrote:
I used a Dremel tool with a little fiber saw on the tip. Sliced the tabs right off. I'm not sure breaking them off is a good idea, as magnesium breaks easily.


Strick,
I was refering to the composite LT1 VC - Now I'm confused as to what style cover the OP has.
Posted on: 2008/3/7 1:45
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Don Haller
Corvette Club of America
94Coupe, 383Stroka, PeteK Trans, 3000stall, 3.54rear, Konis and bigger sways.
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Travis93 Re: Drip tabs and GMPP 1.6 rockers.
Senior Guru
Cleveland Ohio
205 Posts
Member since:
2008/2/13 0:00



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Quote:

biggrizzly wrote:
Quote:

Strick wrote:
I used a Dremel tool with a little fiber saw on the tip. Sliced the tabs right off. I'm not sure breaking them off is a good idea, as magnesium breaks easily.


Strick,
I was refering to the composite LT1 VC - Now I'm confused as to what style cover the OP has.


They are the LT1 composite, I was just planning to dremel them off anyway.
Posted on: 2008/3/7 17:43
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