sherrymade356
09.06.2021 12:13:38
NGK projected tip resistor spark plug kit. [links]
See full version: How to program firing order for tiny tach
NGK projected tip resistor spark plug kit. [links]
The standard in the automotive industry is that if a wire set is made of only 7 percent silicone the manufacturer can call it a silicone wire set. Our heavy duty distributor wire sets are made of 100 percent silicone wire with braided silicone wire & silicone boots.
NOTE: These custom, exclusively made for Datsunparts.com, wires are made to the correct length as per the original Nissan cylinder positions on the distributor cap. Lengths were calculated with the #1 wire in the 11:00 position when looking down at the distributor cap from the passenger side of the car. If your distributor point cam or drive gear, below the distributor housing, are 180 degrees out then simply switch either of these parts 180 degrees from their current position to achieve the correct #1 position on the distributor cap. Firing order is 1-3-4-2. -NON RETURNABLE- more
The standard in the automotive industry is that if a wire set is made of only 7 percent silicone the manufacturer can call it a silicone wire set. Our heavy duty distributor wire sets are made of 100 percent silicone wire with braided silicone wire & silicone boots.
NOTE: These custom, exclusively made for Datsunparts.com, wires are made to the correct length as per the original Nissan cylinder positions on the distributor cap. Lengths were calculated with the #1 wire in the 11:00 position when looking down at the distributor cap from the passenger side of the car. If your distributor point cam or drive gear, below the distributor housing, are 180 degrees out then simply switch either of these parts 180 degrees from their current position to achieve the correct #1 position on the distributor cap. Firing order is 1-3-4-2. -NON RETURNABLE- [links]
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Your home for Datsun Roadster Parts and Accessories
Use this in conjunction with the newer style, white, hard plastic seal, with large hole in the center, used on ALL current Datsun Roadster Tachometer & speedometer cables except our tachometer cable designated as old style which already includes this seal. When purchasing the 1778 speedometer cable be sure to add this on to your order.
Below are two of the screens that you use to setup the engine configuration. This setup is for a 2.4L 4G64 with a 2.0L head. The compression ratio is 8.8:1 which will probably be close to what others with the 2.4L 6 bolts are running. I am using an Autronic CDI with Denso Coil on Plug. I am using the stock Starion cluster and tach getting its signal from an Autronic Tach Adapter. The firing order for the 4G63, like most inline 4 cylinder engines, is 1-3-4-2. This is not configured in software, but rather in which output is used to trigger each coil. The engine is also using an Innovate LC-1 Wideband (Settings shown are for the Autronic Analyzer).
91-94 DSM TPS, there are 4 wires, only 3 of these are needed for the Autronic. This applies to both turbo and non-turbo throttle bodies.
Autronic says that the Innovate sensors do not output the proper signal. Perhaps the signal isn't as perfect as their sensor's output, but it seems to be fine for datalogging and rough tuning if not fine tuning. The Autronic SMC and SM2 require a 0-1v 02 input with 0V @ 10 AFR and 1v @ 30 AFR so this will focus on that range (sorry SM4 users).
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Managing heat is definitely one benefit of a 4-7 swap. With the standard GM order, the left rear cylinders #5 and #7 fire consecutively. Depending on the engine bay layout and header construction, a considerable amount of heat can get trapped in that corner. With a 4-7 swap, the adjacent-firing cylinders are moved from the left rear corner to the right front corner where cylinders #2 and 4 will fire consecutively.
Once familiar with the three different firing orders, as well as the cylinder numbering system for different applications, engine builders can analyze the pros and cons of each. For the purpose of this discussion, we’ll focus on the GM platforms, since that’s the segment where most of the aftermarket cam swaps are targeted—but the theories will apply to other applications.
“Think of all the downforce the exhaust produces on a Top Fuel engine,” reminds Godbold. “Four massive pulses from one side, then four from the other. I knew the driver and I wasn’t going to see him get killed.” here
Results will obviously depend on intake manifold design, cam timing and header selection. Conventional wisdom says that when there is a pair of adjacent cylinders firing in sequence, they will compete for the same air in the plenum. more
Firing order choices in a 90-degree V8 engine are driven by crankshaft design. This is the standard configuration for almost all V8 engines with a cross-plane crankshaft. The #1 and #4 pins are 180 degrees apart, and the #2 and #3 pins are 180 degrees apart. Some race teams have experimented with swapping the position of the #2 and #3 pins, which would generate different firing order possibilities, but no significant advantage was ever discovered. Below is the Ford flat-plane or 180-degree crankshaft found in the GT350 engine. Note the up-down-up-down or ‘snake’ profile. Flat-plane cranks are also available with an up-down-down-up profile for the pins. Again, each change generates different firing order possibilities. more
Who discovered the swap? more