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Which way will go harder? 

 

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 Post subject: Which way will go harder?
Posted: Thu Jul 23, 2009 2:15 am 
Stock as a Rock
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Age: 47

Posts: 123

Joined: 22nd Jul 2009

Ride: Falcon ED

Location: Cairns
QLD, Australia

Hey Groovers,
I'm curious, would it be better to modify an old electronic dizzy off an XF so it can fit onto an EA engine and run a carby, or use the computer system CFI? I convinced myself the computer would have a limiter to stop valve bouncing or something by retarding the spark timing at a certain point. Realistically, it must be possible to run a decent sized carby on a standard overhead cam motor and do it that way.
Thanks.
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 Post subject: Re: Which way will go harder?
Posted: Thu Jul 23, 2009 2:39 am 
Oompa Loompa
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Joined: 13th Jul 2009

Ride: 1993 ED Fairmont

Location: Newcastle
NSW, Australia

says your ride is an ED? i thought they only had CFI on the EA, after that it was multipoint?
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 Post subject: Re: Which way will go harder?
Posted: Thu Jul 23, 2009 11:19 am 
Stock as a Rock
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Age: 47

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Ride: Falcon ED

Location: Cairns
QLD, Australia

Hey there,
Yeah my ride is an ED (mostly...). This is a sporting project, as I've found the crossflows dont last in competitive circumstances. I think the hydraulic lifters cant keep up or something, generally snaps a camshaft or throws a leg out of bed. Cheers, P.
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 Post subject: Re: Which way will go harder?
Posted: Thu Jul 23, 2009 9:14 pm 
Getting Side Ways
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just mod the XF. but when you do it, fit the gear from the dizzy that is already in your engine.

 

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 Post subject: Re: Which way will go harder?
Posted: Thu Jul 23, 2009 9:30 pm 
Getting Side Ways
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Age: 28

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Ride: FG MkII Xr6t Ute

Location: Brisbane
QLD, Australia

Ditto. Go have a look at xfalcon.com, there are a few really good crossflow builds on there.

I doubt the roller followers on an e series head like high rpm much more than the crossy heads. What exactly do you want out of the car and what competitive use do you intend to use it for?

 

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 Post subject: Re: Which way will go harder?
Posted: Fri Jul 24, 2009 8:13 pm 
Stock as a Rock
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Age: 47

Posts: 123

Joined: 22nd Jul 2009

Ride: Falcon ED

Location: Cairns
QLD, Australia

I would like the engine to go as fast as possible, for as long as possible, as cheaply as possible... Down at the speedway track (outlaw).
I cant afford to go as far with it as I'd like to, so I have to use what parts I have. I've been through about 6 crossflows in my current car, and am thinking its time to try something different. Cheers,P.
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 Post subject: Re: Which way will go harder?
Posted: Fri Jul 24, 2009 9:20 pm 
Getting Side Ways
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BubbyGetPizzaForCat wrote:
I would like the engine to go as fast as possible, for as long as possible, as cheaply as possible...


Pick 2.

 

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 Post subject: Re: Which way will go harder?
Posted: Fri Jul 24, 2009 11:00 pm 
Getting Side Ways
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krisisdog wrote:
BubbyGetPizzaForCat wrote:
I would like the engine to go as fast as possible, for as long as possible, as cheaply as possible...


Pick 2.



or leave it stock.

as thats as fast as you can posibly go with out spending money yet still have an engine that will last along time.

 

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 Post subject: Re: Which way will go harder?
Posted: Sat Jul 25, 2009 11:58 am 
Stock as a Rock
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Age: 47

Posts: 123

Joined: 22nd Jul 2009

Ride: Falcon ED

Location: Cairns
QLD, Australia

Yeah thanks for the feedback.
I'd have to choose fast and cheap, longevity isnt really that big a deal, a few days would be good but. If I leave it stock, I'll have to sort out an inline electric fuel pump for the injectors. This would be my choice, but everybody tells me its too much hassle running a computer, even though I've set it up with a T5 as a stand alone. I've tested the car in road trim on the track, and I think I'll be able to run it in 3rd gear which itself will help things last. Probably have to use 2nd when the track tacks off.
Cheers,P.
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