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#1 cyco_250

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Posted 22 July 2010 - 05:15 PM

I thought I'd write a post on my engine. It was built in 2001 the crank, cam, bearings were then changed in 2003 then in 2006 the current combo was built which consists of the original block, rods and pistons form '01 and the crank form '03 and the same head just more work done to it.

Yes I use a roller cam, why? well
1. i got the lifters & springs cheap.
2. I needed a cam and there was issues at the time with cams and lifters losing lobes on run in.
3. Because I was told it can't be done and wouldn't work in a crossflow by crow of all people!!.
4. Because I can.
It wasn't hard to do, I use a comp cams lifter with the removable tie bar the 460 version slot straight in. I use a set of psi springs that I bought from ebay they are ex nascar. they are set at 2" installed height the cam is an Tighe billet but has the pin in the wrong position so If the cam is installed dot to dot the cam is 7 deg advanced. So i have it installed -6 so the cam is 1 deg advanced hence why it lacks a little top end power, I was going to try a crow timing chain with -8 to try to get the 11 but now not to sure about that one.

The cam is in. 256@50 584liit exh. 265@50 607lift 107split

The head is an early unmarked carb head just one I found at the wreckers back in '01 for the first rebuild I was ported in 2001 had a $200 special done to it and it ran 200rwhp and 13.3 @ 103 the in '06 i took it to a different porter and he did some more to it and that is still the same head today. you can see in one of the pictures he hit water in the #1 inlet port, had to cut the head open and weld the port from the water side of the port to fix:aaaahh:.

I think I'll let the picture do the talking.

250 bottom end

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fitting roller lifter

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Lifters

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22cc ACL pistons

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Cam

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Head

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valves

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Springs

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Rockers

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I'll puts more pictures put if anyone's interested.
TF Cortina 250 EFI XFlow, N/A 11.59 @ 114.60mph

#2 andef

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Posted 22 July 2010 - 05:41 PM

does a bear shit in the woods?

lol you should know that pics are like porn here

#3 andef

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Posted 22 July 2010 - 05:41 PM

great stuff too by the way!

#4 BigBam85

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Posted 22 July 2010 - 05:50 PM

Think alot of people are going to be interested more pics lol.....nice engine and good to hear the history behind it.

#5 cyco_250

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Posted 22 July 2010 - 06:31 PM

More

Manifold

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Heat soak Spacer

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Carb 650 mighty demon vac sec.

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Custom pipes

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TF Cortina 250 EFI XFlow, N/A 11.59 @ 114.60mph

#6 Guest_thunderbolt_*

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Posted 22 July 2010 - 07:06 PM

thats a nice motor:hy:
Who done the roller cam
I couldn't even get one custom ground when i wanted one.

#7 PJXF

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Posted 22 July 2010 - 07:39 PM

Nice looking work there, love pics moore pics. You used the standard rods yeh? Did you prep them at all?
Mk1 Ford Transit 4.1 straight gas turbo build thread HERE

250 xflow turbo engine build thread HERE

#8 slydog

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Posted 22 July 2010 - 07:43 PM

250 crank,rods,head studs only...any grout...? Whats it revved to over the line 6500...?

Good write up Jas...

Slydog

#9 Nigel

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Posted 22 July 2010 - 07:46 PM

Odd that they were saying they couldnt do roller cams : when I was rebuilding my crossflow back in ... er.. 89/90 the Speedway guys were running roller cams exclusively. Nice engine though - good to see it done. The Cam/Lifter run-in problem has been there since forever. Awesome work.

#10 azz80

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Posted 22 July 2010 - 08:12 PM

tidy car, very clean engine, great work! is that an efi dist? what are the advantages using this over electronic dist? does it work better with msd/crane etc?
TE Cortina for sale. PM for more info

#11 duckboy01

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Posted 22 July 2010 - 08:15 PM

Got any close up shots of your ports and bowl,what size valves are you running?

#12 cyco_250

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Posted 22 July 2010 - 08:27 PM

thats a nice motor:hy:
Who done the roller cam
I couldn't even get one custom ground when i wanted one.

Tighe Cams Queensland

Nice looking work there, love pics moore pics. You used the standard rods yeh? Did you prep them at all?

Resized and arp windsor bolts fitted

tidy car, very clean engine, great work! is that an efi dist? what are the advantages using this over electronic dist? does it work better with msd/crane etc?

thanks mate the dizzy is 100 times better signal and timing smoother

250 crank,rods,head studs only...any grout...? Whats it revved to over the line 6500...?

Good write up Jas...

Slydog


cheers bud, no grout, on the 112.85mph run i was off the throttle at 6160rpm

Got any close up shots of your ports and bowl,what size valves are you running?


no shots of the porting to hard to picture, valves are 1.86, 1.60

Edited by cyco_250, 22 July 2010 - 08:30 PM.

TF Cortina 250 EFI XFlow, N/A 11.59 @ 114.60mph

#13 cyco_250

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Posted 22 July 2010 - 08:29 PM

ported to much god dam core shift!

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TF Cortina 250 EFI XFlow, N/A 11.59 @ 114.60mph

#14 BRUTAL

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Posted 24 July 2010 - 09:03 AM

nice motor cyco good to see blokes puttn up internal pics and specks of there hot crossys any one can put a hot crossie together but it takes skill and a lot of r&d to make it all work proplery well done

#15 KLR250

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Posted 24 July 2010 - 11:30 AM

awsome thread, and appreciate you posting up what youve put into it.
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#16 oatesy

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Posted 25 July 2010 - 10:05 PM

awesome work mate.
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IF YOUR NOT LIVIN' ON THE EDGE, YOUR TAKIN' UP TOO MUCH SPACE!
'86 XF S-PACK - DAILY (modifing)
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#17 cyco_250

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Posted 06 September 2010 - 08:01 PM

small phone vid in garage


TF Cortina 250 EFI XFlow, N/A 11.59 @ 114.60mph

#18 KLR250

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Posted 06 September 2010 - 08:03 PM

Thats the sh1t right there!!!
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#19 PJXF

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Posted 06 September 2010 - 08:19 PM

Looks and sounds fantastic!
Mk1 Ford Transit 4.1 straight gas turbo build thread HERE

250 xflow turbo engine build thread HERE

#20 KLR250

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Posted 06 September 2010 - 08:21 PM

i played the vid 4 times...lol
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