Winter Mods and Maintenance?

[Payne]

What mods and maintenance do you have planned this winter?

To keep my honest, my plans are:

• Replace restrictive Ariel intake and exhaust (hopefully +40-50 rwhp)
• add some coolant to my water to avoid popping a freeze plug
• get my thermostat in
• replace my finicky TPS
• move my shift lights to under my fire suppression handle so that my hand doesn't block them
• Clean up and reloom some wiring
  
  • Rewire my oil temp/pressure sender under the car and out of sight
  • loom my rear turn signals
  • loom my ecu wiring

Stretch goals:

• lengthen my front fenders
• Put in an oil cooler and my accusump
• Put in clutch depression switch for 2-step and no lift shifting
• Send my car to socal to get some wings built for it

[bolus]

Any more information on the clutch depression switch?

[Payne]

Any more information on the clutch depression switch?

Hondata offers both full throttle shifts and 2-step with a wired in clutch switch. Not sure exactly how I'll fab it, but it will basically ground when I depress the pedal.

An den: http://www.youtube.com/watch?v=ROQtl...eature=related

Launch Control and Full Throttle Shift
Launch control works by limiting the engine speed to a pre-determined rpm in order to give more consistent launches. Full throttle shift limits the engine speed while shifting so that the throttle does not need to be released.

Both launch control and full throttle shift use a shared clutch input, with Launch Control being active when the vehicle is stationary and Full Throttle Shift activating when the vehicle is moving.

It is possible to retard timing and add fuel in order to spool a turbo when launching, and to keep the turbo spooled when shifting.

Note that both Launch Control and Full Throttle Shift uses stock rev limiter behaviour, and thus may not be suitable for certain engine combinations and launch rpms.

Clutch Switch

The clutch switch is used to trigger both launch control and full throttle shift. It is important to use a clutch switch which triggers close to the clutch engagement point. For this reason, the starter disable switch and cruise control switch are not suitable for use as a clutch switch. The best solution is to add a micro switch which triggers close to the clutch engagement point.

Launch Control


Fuel & Ignition retard activation RPM - determines when the fuel and ignition should be adjusted while using the launch limiter. Normally this should be below the launch rpm limiter, otherwise the fuel and ignition changes will not take affect.

Launch RPM limiter - sets the launch rpm limit.

Maximum Speed - is the vehicle speed where the launch control is switched off and full throttle shift operates. Normally this is 3-5 mph.

Fuel Enrichment - is the amount of fuel to add or remove. Note that this setting is shared with Full Throttle Shift.

Ignition Retard - is the change in ignition timing. Note that this setting is shared with Full Throttle Shift.

To spool a turbo and built boost it is recommended to retard the ignition as much as possible. Note that the actual ignition advance is limited to 10 degrees after top dead center.

Important Note
Retarding the ignition and adding fuel in order to spool a turbo will result in a rapid increase in cylinder head, manifold, turbo and exhaust temperature.

Full Throttle Shift


Fuel & Ignition retard activation RPM - determines when the fuel and ignition should be adjusted during a shift. Normally this should be below the shift rpm limiter, otherwise the fuel and ignition changes will not take affect.

Launch RPM limiter - sets the shift rpm limit. Normally this is the average rpm for the next gear after a shift - approximately 20% less than the shift point, around 6000-7000 rpm.

[bolus]

So you still have to use the clutch pedal? I was thinking a paddle control for the clutch actuation itself like this

http://www.shiftec.com/other_products.html

[Payne]

So you still have to use the clutch pedal? I was thinking a paddle control for the clutch actuation itself like this

http://www.shiftec.com/other_products.html

yeah, still use the clutch.

Basically, it sets the rev limiter at say 6500 RPM when the clutch is depressed, rather than 8500 or whatnot.

So if you don't lift when you shift, you bang it off the (lower) limiter, and are ~rev matched when you renegage the clutch. Not great for the pistons/rods as it cuts fuel, but mine is pretty bulletproof with super strong forged pistons and rods (I went for strength over a bit lighter components).

How does the shiftec work? Seems like that would suck for a street car, no?

JP

[Payne]

Noone is doing anything this winter???

I got my thermostat drilled and installed earlier this week, and pulled the valve cover to check lash and give everything in the head a once over. Planning to button her back up tomorrow. Also got my TPS changed, fixed a tip in surge issue.

JP

[bolus]

Oh crap, I forgot to get a pic of my clutch switch for you. I'll try and remember that tonight (no driving here, its 30F with freezing fog)

[Payne]

Oh crap, I forgot to get a pic of my clutch switch for you. I'll try and remember that tonight (no driving here, its 30F with freezing fog)

No worries. I'm itching to get some driving in this weekend. It's in the low 60s and sunny for the foreseeable future.

[Gage]

Noone is doing anything this winter???

JP

I have two projects. One is going on now, and one is starting soon. That is all I can share at the moment. Grin

[DarthChicken]

Wish I lived closer gauge, I'd love to help out on your project.