This version was made by one of the guys on the Sydney Z car club forum. The intake ports are 30mm, the intake valves are 38mm and the exhaust valves are 33mm Y70 Head Pics: Big thanks to Lurch and all the guys on Hybridz for being a wealth of information. Now the engine pulls way harder, starts making power earlier and traps way better at the track. It has the same combustion chambers as the P79, but has square exhaust ports like the N42. As drzed says, the flat top bottom end was a lot stronger and idled better. Again 05L on left hand side and P90 on right hand side.
Ive still got to set it up. Our list of references and ebay feedback of over 7,000+ happy customers show we take pride in what we do! Many rebuilt parts come with a warranty. You will need to show me some dyno measurements to convince me. It has small chambers 37cc and small valves and ports which you can always make larger or reshape. Rebuilt or Remanufactured parts have been rebuilt and tested to be in good working condition.
The auto is probably giving you the low hp number you've listed. Too common for the L-6 to have to back off ignition timing due to the compression ratio. I run the Nissan motor sports 76 degree grind in the race motor with injection and I could live with it on the street in this set up. At Z Car Source, our main focus is to provide you those quality products with excellent service. It also used an externally oiled cam like the E31.
No real need to port the head, just clean up and don't polish, you want some turbulent flow. You can also request more information about a vehicle using our online form or by calling 843 836-6899. The 280Z got a bigger 1. As I said though, straight off the calculator. It was pretty strong, and I liked it. This is with a 46cc combustion chamber.
The best crankshaft choice is probably the one from the 1981-83 Maxima Diesel. For eligible returns or Core returns, ship your items to: Z Car Source, Attention: Returns, 952 W. It is often used to reduce the static of the engine. To get your engine to rev harder at the top end, a bigger cam would theoretically work and to rid your engine of that pesky ping. Exhaust valves can be 1. We work on so many different types of heads that it would be impossible to set a fixed price for most jobs. I'd just like to add something here that may be of interest.
I prefer to stay between around 8. These are the least desirable of the Z heads and the only way to tell them apart is to identify the combustion chamber. That larger volume will help to lower the compression ratio necessary for a turbo engine. The N42 heads have hardened steel seats so it can run unleaded petrol. But the manuals say nothing about servicing it and replacement lifters do not exist anymore. Flat tops worked just fine.
You will need to show me some dyno measurements to convince me. Read our reviews, check out our performance upgrades and options, or simply call us for more details. Most users of this type of spray bar report seeing a lower at the , but it does not appear to affect engine operation in practice. The L series doesn't rev fast enough or pull enough air to really make the most of the injectors being away from the head as most aftermarket set ups are. With the above taken into consideration I will give some Z head facts as I know them. It handled the flat tops just fine. Hey everyone, I've been researching the various engine heads available to us and thought I'd make a sticky on the topic.
This made for a nearly quiet engine needing no valve adjustment, but could not use high-lift aftermarket cams because of the lifters and was costly to rebuild. It uses an internally oiled cam. I run the standard injectors with a Haltech F9 computer and electronic dizzy. Do you think that if I swapped my short block for an 8. If you were to have the valves changed in a 240Z head then those cylinder heads could be possible choices. Get the best linkages you can find and pay someone to set them and tune them right.
Material may not be copied or reprinted without written permission. Please contact Z Car Source with any questions. It pulls from about 3500 to 6800 and I rev the motor to a max of 7200. Want to take your old Z and give it a new life? What this means is that between each of the cylinders, there is solid metal between them. We understand this is a big investment, you want it done right within a reasonable time frame, and to have an engine that will last.
With P90 head you can expect around 1. And we are not just Z parts! The N42 head was used on the 75-76 and some early 77 280Zs and has the square port exhaust configuration. Video of the dished piston motor just after installing the 44's read carbs not tuned : I'd still like to see what Pete's motor would do with either enough octane to run optimal advance or a bigger cam so that he could run optimal advance. The turn around time varies. Our company values your business and would love the opportunity to prove it. Won't be cheap, but will be right. Piston choices like the other items, needs to be decided based on your desired configuration.