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Topic: Engine coming out! Bad Cam Lobe!

in Forum: C3 Engines

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Re: Engine coming out! Bad Cam Lobe! (21/31)
6/1/12 3:58pm

nosal1
Former Member
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Dunedin, FL - USA

Vette(s):
1980 Corvette Torch Red with Gold metallic 370HP/350 CU.IN.Turbo 350 w/shift kit.Originally CA.Car with 305 CU.IN.

Joined: 3/21/2006
Posts: 262

Hello All,

If you have new ceramic coated exhaust manifolds you CAN NOT break in the engine with them on the engine,as that(if the manufacturer finds out)will void the guarntee of the coating and dull the finish no matter what kind of lifters you use.

Please check this with the ceramic coating people or the manufacture..

Sal C

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Re: Engine coming out! Bad Cam Lobe! (22/31)
6/1/12 4:05pm

68vet427
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macedon, NY - USA

Vette(s):
68 COUPE 454 HAS MOTION HOOD SCOOP, REVERSED GILLS ZL-1 FENDER FLARES AND MOTION REAR SPOILER, LEMAN'S GAS CAP, BUCKET HEADLIGHTS. CAN-AM FRONT RACING SPOILER. CHROME HOOKER HEADERS AND SIDE PIPES! 4 SPEED M20, LOOKS FAST STANDING STILL !!

Joined: 7/20/2006
Posts: 364

Thanks,

but I have chrome plated ones.

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Re: Engine coming out! Bad Cam Lobe! (23/31)
6/1/12 7:09pm

corvette440hp

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Joined: 7/2/2006
Posts: 8205

This is what Edelbrock wanted in my new engine: http://www.summitracing.com/parts/NAL-88862587/

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corvette440hp

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Re: Engine coming out! Bad Cam Lobe! (24/31)
6/2/12 5:32am

Good Morning All,

I have been using a product called ZDDP Plus at about $9.99 per bottle and to date has been very effective.

The product that Summit recommends is very good as well,however if you can find the test result of these products ZDDP fairs a bit better.

You can find data on Big Daddy Don Garlits website as he recommends the product.

Have a great day,

Sal C

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Re: Engine coming out! Bad Cam Lobe! (25/31)
7/11/12 8:44am

Just an update,

The beast has the engine back in and is running great!!!

Havin fun !

Got it back a couple of weeks ago.

Now has a roller cam.

Changed out carb and fuel pump.

Joe

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Re: Engine coming out! Bad Cam Lobe! (26/31)
7/11/12 9:11am

corvette440hp

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Posts: 8205

68vet427 said: Just an update,

The beast has the engine back in and is running great!!!

Havin fun !

Got it back a couple of weeks ago.

Now has a roller cam.

Changed out carb and fuel pump.

Joe

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corvette440hp

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Re: Engine coming out! Bad Cam Lobe! (27/31)
7/11/12 9:28am

Jaws79

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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4238

So Carlisle is still on? Hope you can make it! Glad to hear the engine is back and stronger than ever!

Barry

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Re: Engine coming out! Bad Cam Lobe! (28/31)
7/11/12 1:00pm

Adams' Apple

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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 20128

Kewl! Roller cam = no break-in period!! Is it a hydraulic, or solid lifter cam? Either way, I bet it sounds better with the roller in it.

Ya need a couple of these decals for those valve covers, Joe.... Wink

but...good luck finding one....

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Joel Adams
C3VR Lifetime Member #56
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Re: Engine coming out! Bad Cam Lobe! (29/31)
7/11/12 1:13pm

ya, they would be cool, but they are not in my budget !!!!

Original ones cost way too much.

Repo's still alot.

Joe

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Re: Engine coming out! Bad Cam Lobe! (30/31)
7/13/12 5:17pm

73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 866

For those w/ flat tappet cams, I've heard that Shell's Rotella oil still has some zinc phosphate in it since it's for diesels.

______________

1973 L-82 4 spd

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Re: Engine coming out! Bad Cam Lobe! (31/31)
7/13/12 5:59pm

Guys if you really look around you will find a lot of people are wiping cams these days. Hot rod magazine ran a article on the problems of modern oils and people like Comp cam specify which oil to use on their cams.

Just because it meets specs doesn't mean those specs meet our requirements. The modern spec oil is for pollution requirements and just don't do the job for our older cars. Dino oil has proven to be better for cars that sit a lot like those driven only on weekends. Synthetic runs off easier and is made for the high mileage daily driven cars.

Again because an oil meets specs doesn't mean it works for everyone. Racing oils have to meet the same emission specs as normal oil.
Diesel oil does NOT so so far it retains the important ingredients to prevent wear and in our case wiped cams.

Most of the mechanics are not that knowledgeable. I know three licensed mechanics in the area and they are parts replacement tech, not original thinkers, not ones to spend time on a computer keeping up with whats new. Mechanics or most mechanics can't replace rear end gears, most can't build an engine.

So don't always rely on your mechanic for the answer, follow forums, find out what's going on out their, read read read.
I constantly get mechanics calling me up asking for advice, their ignorance shows by some of the dumb questions they ask.

Be your own mechanic..

This was part of a very lengthy article about Shell Rotella T containing Zinc Phosphate chemical for flat tappet cams and lifters written by Hot Rod magazine personnel.

I have in my '80 Vette,'68 Camaro,and my daily driver, a '72 Chevy 1/2 ton truck with a balanced blueprinted Vette engine using Shell Rotella T 10W45 and they are doing fine..

Sal C

Diesel oil is also being looked at to lower the zinc content but for now it is still loaded with important additives that we need.
I have $20,000 in a motor that I don't want scattered because of a poor grade racing oil or any other.

nosal1

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