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How do I put nitrous on a junkyard 3.1?


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Posted

Dave, how big of a shot are you planning on using? With the stock tuning & fuel system, a 100 shot CAN kill a 3.1. I would use a 50-75shot unless you want to do some fuel upgrades + tuning so you can run more.

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Posted

I was thinking about a 150 shot, for a couple of reasons.

1) I have 150bhp jets!

2) I'm sick of going out in the first round

3) As I say, the car is kinda expendable. If I kill it, it just means it'll be going to the crusher in October rather than January and I'll have to find something else to drive ...

Posted

PS - here's the old shed in action:

 

 

Old Shed, solid referrence English bloke are ya chap?

Posted

I was thinking about a 150 shot, for a couple of reasons.

1) I have 150bhp jets!

2) I'm sick of going out in the first round

3) As I say, the car is kinda expendable. If I kill it, it just means it'll be going to the crusher in October rather than January and I'll have to find something else to drive ...

 

Good luck! Let us know how it goes. By the way, are you using a wet or dry nitrous kit?

Posted

First year for it as I recall.

 

I distinctly recall Reattas having it in '88. :confused?:

 

On W bodies. I don't remember seeing anything in my 1989 CS owner's manual about RKE.

My 89 had the option for keyless entry. At least, it is listed in the owners manual.

Posted

Hi. I certainly am English ... just north of sunny Birmingham!

And it's a wet kit I'll be using.

A buddy of mine is quite well involved with the Megasquirt crowd, and he's helped me take your info and use it - We reckon a switching relay in the wire from the knock sensor module to the ECU should cause plenty of retard - it will hopefully get tried out this weekend!

Also, a 200-ohm resistor on another switching relay in the IAT circuit should back that up, though we're not sure whether both of those happening at the same time might not cause the ECU to panic - does the ECU on my car have a shutdown/limp-home mode?

Toodle-pip old chap etc etc

Posted

awsome man, I am glad this is workin out for you. I don't unfortunately have those answers but I am sure someone here does... but please... make sure you post some vids and pics, I am anxious to see this in action!

  • 2 weeks later...
Posted

Right, having a few problems. I managed to borrow a cheapo SunPro code reader today - the sort that flashes codes up using your "service engine soon" light on the dash. Problem is, I didn't have the book that tells you what the codes are! Can anyone help?

Codes were 1-2 (which I think is the standard first code flashed)

then 1-3

then 2-3

WTF!?

Posted

13 - Oxygen sensor cicuit - "check the wiring go the O2 or replace the O2"

 

 

 

23 - Manifold Air Temp - Check the IAT sensor and wiring or replace the sensor

Posted

Many thanks for that, mate.

Damn, I was chuffing about with the IAT sensor the other day. Hope I haven't bust it. If I disconnect the battery for 20 minutes will it clear down the codes? If so, I can see if the same codes come back after I reconnect it.

Posted

If you disconnect, it should clear the codes, and they should only come back if something is wrong.

Posted

Just the answer I was hoping for! Thanks very much; you're an extremely helpful chap!

Posted

Would be kinda wasteful, since he is just going to junk it anyway.

Posted

Quite true ... plus, Turbo GPs ain't exactly plentiful in the junkyards of England! :lol:

Posted

lol they aint exactly plentiful in America either don't feel bad... :P

Posted

True...I was just thinking about unloading my TGP parts, figured maybe he'd wanna give it a try lol.

Posted

OK, I disconnected the battery and all that, and the codes went away. Result. At least it was about 4 hours later when the damn thing remembered how to idle ...

For what it's worth, I took the car down the track at the weekend. Previous best was a 17.3, in a partially stripped, pure stock 3.1 four-door GP. In a fully-stripped car with no catalytic convertor, and fresh 5w30 fully-synthetic, it was running 16.8 all day. Then I did a run without the fan belt and it dropped to 16.3 at 81.81mph! Might not bother with the nitrous after all - I swore there was a 15 in this car, and I reckon I might get there without gas! I've already started cutting the side-impact bars out of the doors....

Posted

What.. the fuck was that? That is the most retarded video I have ever seen.

Posted

just a video people where talking about in the post its a 3.1 sunbird with nos till she blows

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