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need more power. 

 

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 Post subject: need more power.
Posted: Mon Feb 04, 2008 12:48 am 
Getting Side Ways
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g'day all
i've a stock 5L with cai , pacemaker headers , k&n filter .... will be going the 347 route later in the year.....what size injector's should i be looking at for a 400 odd hp motor? & what is a good injector upgrade for the 5L i have now?
any info would be great.
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Posted: Mon Feb 04, 2008 2:01 am 
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there have been so many threads covering this topic. some would say do a search...

to answer you q about upgrading the injectors for your current 5L... there's plenty of other avenues you could attend to before you hit the injectors.

-intake manifold (AU/Explorer, Trickflow, custom)
-heads (gt40p's, AFRs, Trickflow)

maybe even look into "forced induction"

 

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Posted: Mon Feb 04, 2008 7:00 am 
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thanks for your reply....but as posted will be getting a stroker motor down the track in the year so no need for heads etc....just after injector's for that engine...but also my current one's are shot so need a set to tie me over.
also was after brand's to buy/avoid & average price to suit both.
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Posted: Mon Feb 04, 2008 1:52 pm 
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I'd say a set of 24lb should do it but 30's would be better.

A set of 2nd had 24lb injectors off an AU V8 can be had for $150.

30lb would be better, giving room to breathe as well if you did decide to replace the heads and chase some power.

Bosch (ford motorsport) injectors would be the go, 24 lb bluetops, red tops are 30.

If you are buying new ones try here.

http://www.injectorsonline.com/indivprod.php?c=1

At $70 + gst, they arent too dear..

 

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Posted: Mon Feb 04, 2008 5:53 pm 
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schnoods wrote:
If you are buying new ones try here.

http://www.injectorsonline.com/indivprod.php?c=1

At $70 + gst, they arent too dear..


thats $70 each. $560 for 8.

a few weeks ago i bought some for a friend from the US. $390 for a set of 8, landed and they were Genuine Ford Racing high flowed injectors @ 30lbs/h.

 

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Posted: Tue Feb 05, 2008 3:21 am 
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thanks for the info guy's.....now i've an idea what to ask for :wink:
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Posted: Wed Feb 06, 2008 11:18 pm 
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steveurban wrote:
thanks for your reply....but as posted will be getting a stroker motor down the track in the year so no need for heads


A stroker with stock heads would be like driving a diesel.

Lots of pull up to about 3500rpm.

 

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Posted: Thu Feb 07, 2008 7:26 am 
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maybe i should have said from the first post....that it will not be the engine in the car now that will be stroked....but a complete brand new engine.
thats why i was asking about two set's of injector's, one for the current engine & one for the new motor.
sorry if people got the wrong idea.
thanks for your opinion :wink:
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