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post #1 of 6 (permalink) Old 08-19-02, 03:47 AM Thread Starter
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A couple of launch q's

Hi everyone, I have a few questions and comments,

Firstly, I have an ED Fairmont 6. It is an auto, has pacemakers, 3 inch cat and redback 2.5 inch exhaust system, as well as a crow stage 2 cam. It will do 0-100 repeatedly in the 7.3-7.5 second range. Is that quick, comparatively speaking? The stupid thing is, it seems to take 5 or more seconds to get to 60 and another 2 to do the rest!

Also, short of putting a five speeder in, is there anything else (read:cheaper!) that I can do to give it more off the line response? Would slotting in an XR6 fuel pump help, or maybe some more advance in the timing? It is 2 degrees over stock...

And finally, just a word up to Bass Crazy and his Falcon, that thing looks to be a MACHINE! nice work bloke, was the EF manifold setup worth it?

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post #2 of 6 (permalink) Old 08-19-02, 07:06 AM
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That 0-100 time is incredible for an auto. I think the best mod to improve take-off would be a shorter diff ratio.

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post #3 of 6 (permalink) Old 08-19-02, 08:16 AM
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yeah LSD with 3.45 gearing would help. I'm gettin the gear change after i get my stage 2. ..... need new rotors first though..... damn rego and wheels!!!!!! I just paid my rego 720 bucks!!!!! and mags and tyres 3000 bucks..... but i will get there..... and ****ing christmas is coming... guess the cam and diff gearing is gunna have to wait.
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post #4 of 6 (permalink) Old 08-19-02, 08:45 AM
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doesnt the auto computer stuff up when you change the diff ratio?
I read somewhere the computer will always act as if its going up a hill and not change properly.
may need to get an XR6 computer or something to fix it. I dont really know.
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post #5 of 6 (permalink) Old 08-20-02, 12:16 AM
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There are 2 things that may improve your launching.
1. diff gears will help. No doubt now 0 - 100 times are only using all of 1st and changing to 2nd. The engine is developing more power as the revs pick up.
2.get a higher stall convertor. This will enable you to stall the engine up before the car wants takes off.

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post #6 of 6 (permalink) Old 08-20-02, 01:47 AM
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peter vod - I have a similar problem as you... the way the gearing is, 0-60 is a hang in there moment when launching the car, until it hits 60 then the car is in a league of its own all the way past 240.... the Commodores prove this by staying with me to 60, then it's goodbye for them.

One of my mates changed the gearing in his EB to match the 384kW that the blower pulled from the 6 cylinder (yes, it was extensively modified lol), which was great for the quarter mile, but made the car undriveable on the highway, the engine worked harder than was comfortable and went thru the fuel something horrid for just cruising on the highway due to the revs... its a big change, and should be considered in depth before ripping them out, unless its just for the strip or minor gear changes...

See what you can do... cheers

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