Won't rev above 4000 RPM

[borini63]

I have a 82 280ZX non turbo 5 speed....I just replaced the head gasket on the engine(lost compression on #5,#4).

The car have high6 ignition(witch I set it to 6000RPM) with MSD 2 Plaster coil MSD ignition wires,Headers.

The timing is right (10).

So the problem is the car won't go over 4000 rpms while shifting and driving but if I bunch the gas while she in neutral will go above 4000 RPM

We put every thing back as it should be and the car gained the compression again also there is a exhaust sound on high rpm"s like I have a leak or somthing ..but the system is good no leaks,...we marked evry thing so we can put every thing back.

What you guys think I realy want it to go back like befor ...reach the high rpm's(over 4000 while shifting.

Also Do I have to set the timing in diffrant possion or diffrant #..I have a timing light..

Please advice....

Thanks.

[borini63]

I got my answer down there!!