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Sugestions what to put into motor when suped up 

 

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 Post subject: Sugestions what to put into motor when suped up
Posted: Thu Jan 12, 2006 6:59 pm 
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Hey guys i plan to do up my motor spare motor while i keep my cheapo motor running the motor is a

250 X-Flow Alloy head EFI

If you could suggest something and why would be great so i understand why and where ur comming from

Performance shop suggested to me was get molly pushrods because they are stronger and wont bend like stock ones

also they suggested was Port behind the valve and out it will give nice and lots of HP (sorry can't remember what he called it)

Also i got a cam a while ago off a mate for free brand new it a tighe cam 140HT

http://tighecams.com.au/profiles2/fordcrosshyd.htm

Will the cam work with EFI and do i have to machine crank for it?
anyone know the good and band parts about the cam

Mate also gave me 20 thou acl pistons and molly rings are these worth using?

The performance shop suggested that he can move shrink the ports slightly and get me a grathite head gasket that will me it run smoother

Lifters?
roller rockers?
bearing?
Injectors?
fuel pump?
Oil Pump?
Sump?
Valves?
Valve Springs?

Id like to see what u suggest

Thx

 

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Posted: Thu Jan 12, 2006 7:42 pm 
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no way in hell will an EFI XF live with a tighe 140HT..... would be fun with a 2bbl holley tho lol

the early falcon EFI's dont like much more than a mild cam

 

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Posted: Thu Jan 12, 2006 7:53 pm 
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basically follow the same principles of the EF/EL OHC 4 litres, very similar motors. Let it breath, run without hassles.

new pistons/rings
block machines up

decent exhaust and extractors
good intake- non restrictive
good cam

maybe some headwork, and yeah good pushrods

 

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Posted: Thu Jan 12, 2006 10:09 pm 
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Quote:
no way in hell will an EFI XF live with a tighe 140HT..... would be fun with a 2bbl holley tho lol

the early falcon EFI's dont like much more than a mild cam



What happens if i was to put a cam like that in a my efi motor?

and what the largest cam i can install i want to have raw power to take to drag string and Koff Koff speed Koff race them commys on friday nights on the empty industrial zones

what the largest injector u could put in if u had a 20thou bore and 40thou bore

 

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Posted: Fri Jan 13, 2006 5:18 pm 
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is turbo not an option?


what power figures are you looking at? cause it might be worth while to throw out the XF efi motor and put something a little newer in. or go an 8

 

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Posted: Fri Jan 13, 2006 5:28 pm 
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If your only desire is to go fast, have a good look at turbo-charging because all the stuff you listed will be very exey, and turbos would come in at around the same, I would think...

Then if you dont go for forced induction, why not look at slotting that 4.1 into a cortina, rather than a falcon. It would go much harder...
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Posted: Fri Jan 13, 2006 5:57 pm 
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Turbo no thx im going supercharger after all the blocks modded i thought


i want it to be in a falcon cause i just like my XF's never was a fan of cortina

 

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Posted: Fri Jan 13, 2006 6:41 pm 
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I suppose if you want to do cam etc and/or supercharge, keeping with efi, an aftermarket ecu might be on the books to run it all -then you could run whatever cam you want and it should be fine as long as u can find someone to tune it (or learn how yourself)
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Posted: Sat Jan 14, 2006 1:16 am 
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ow ok so i can put that 140HT cam in then use something like Wolf 3D Ver 4 and tune it and i wouldn't have a problem

Quote:
no way in hell will an EFI XF live with a tighe 140HT..... would be fun with a 2bbl holley tho lol

the early falcon EFI's dont like much more than a mild cam


So he ment only have problems if stays running on stock ECU
but would be k on aftermarket

 

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18" koya Strykers, AU engine with port and polish EB head, crow valve springs, standard cam, Large aftermarket RX7 turbo, T5 manual 3" intercooler piping, 600x300x100 intercooler core, MSII with innovate wideband O2 sensor and guage. BA F6 bodykit

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Posted: Sat Jan 14, 2006 9:57 am 
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Biggest problem with XF EFI was the vane meter. It was hard to get it running smooth even on a stock motor, once you put even the mildest of cams in you will get a bad idle. Also very restrictive so any mods you do will have little effect unless its replaced. The EEC in the XF had no long term adaptive learing as the was no ego sensor.
Ive played with XF EFI's for years, in the end I went straight gas with GasReasearch mixer on the EFI intake and removed the vane meter and put a normal dizzy regraphed for gas.
With the mild cam, 10.1 comp and extractors it had alot more power.
I always wanted to put a newer 4.0 with 4spd in it as with XG mounts it would be an easy fit but back then 10+ years ago they were too expensive.


Andy
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Posted: Sat Jan 14, 2006 11:14 am 
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K K K

But if i was to put a aftermarket ECU in that come with sensors would that solve my problem also would that solve the EEC learning problem

SOrry for the hassel just all i know about cars is sump, crank, conrods, piston, piston rings, push rods, valves, valve springs, roller rockers and rocker cover LOL
basicly allive learned just haven't learned the techinal side to it all like sizes and materials but i will one day

 

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18" koya Strykers, AU engine with port and polish EB head, crow valve springs, standard cam, Large aftermarket RX7 turbo, T5 manual 3" intercooler piping, 600x300x100 intercooler core, MSII with innovate wideband O2 sensor and guage. BA F6 bodykit

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Posted: Sat Jan 14, 2006 12:39 pm 
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Yes aftermarket ecu will solve XF eec problems.
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