Flat tappet cam

[08Malibu]

So I have a 350 for my 86 GP. It’s a good running engine, but it’s been sitting for a couple years. Im swapping the intake, oil pan, and doing the timing cover gasket. If it needs a timing chain, I’ll throw one in. This engine was a stock rebuild. I’m on the fence about leaving it alone, or throwing in a mild cam. If this was years back, I’d do it no question. I was looking at a lunati cam.

Lunati 10120101LK: BareBones Hydraulic Flat Tappet Camshaft and Lifter Kit Chevy Small Block 262-400 Lift: .443" /.465" - JEGS

Get the Best Performance with Lunati BareBones Hydraulic Flat Tappet Camshaft and Lifter Kit Chevy Small Block 262-400 Lift: .443" /.465" 10120101LK parts at JEGS. Shop Now at the Guaranteed Lowest Price!

www.jegs.com

 

[carnutjw]

That looks like a copy of the Edelbrock performer RPM flat tappet cam if i remember right. I put this one in my 305 over two years ago:

Voodoo Hydraulic Flat Tappet Cam - Chevrolet Small Block 250/256

Hydraulic Flat Tappet. Very strong torque and increased HP for small cubic inch motors (283-350). Compatible with stock TBI and MPI type fuel injection. Works great for pleasure/ski boats, and mild towing applications.; Advertised Duration (Int/Exh):

www.lunatipower.com

Probably pushing 9,000 miles on it since then, so far it's doing fine. Not suggesting it, just giving a little feedback on Lunati cams. Mines not that aggressive, so I'm just running new stock valve springs, Comp 1.52 roller tip rockers, headers, and Performer intake on a stock 100,000 mile LG4 longblock.

 

[08Malibu]

That looks like a copy of the Edelbrock performer RPM flat tappet cam if i remember right. I put this one in my 305 over two years ago:

Voodoo Hydraulic Flat Tappet Cam - Chevrolet Small Block 250/256

Hydraulic Flat Tappet. Very strong torque and increased HP for small cubic inch motors (283-350). Compatible with stock TBI and MPI type fuel injection. Works great for pleasure/ski boats, and mild towing applications.; Advertised Duration (Int/Exh):

www.lunatipower.com

Probably pushing 9,000 miles on it since then, so far it's doing fine. Not suggesting it, just giving a little feedback on Lunati cams. Mines not that aggressive, so I'm just running new stock valve springs, Comp 1.52 roller tip rockers, headers, and Performer intake on a stock 100,000 mile LG4 longblock.

I’m more concerned with the high rate of flat tappet lifter failure.

 

[carnutjw]

I used Lunati lifters and lube, along with 8oz. of Lucas TB Zinc-Plus break in additive at break in and another 8oz. for the oil change after break in. Generic 10w-40 since.

 

[08Malibu]

I used Lunati lifters and lube, along with 8oz. of Lucas TB Zinc-Plus break in additive at break in and another 8oz. for the oil change after break in. Generic 10w-40 since.

Awesome

 

[78Delta88]

It's a mild cam. A couple other possible adds... Antipump lifters, gives you similar to variable valve timing. Low RPM acts more like stock cam, higher RPM lifters pump up and act more like performance cam.

Or if unhappy with overall performance of that setup, you can try 1.6 ratio rockers. Will get you about 10 more degrees duration and lift just under .500, so if still running stock heads, you should not have and springs binding.