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Engine Swap Xflow to ST170 and 4 speed to 5 speed box

pickmaster Andy Lowe

Entry posted by pickmaster Andy Lowe

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blog-0118785001357553170.jpgHi

I've had a lot of interest on my engine swap Xflow to ST170 Duratec or {Black top Zetec} with a Duratec badge on it :oops:

And 4 speed to type 9 5 speed box at the same time.

So thought Id have a go at a blog to assist owners with the process and put any info in one place :t-up:

A quick over view is

ST170 Duratec is for the ordering of parts a Black top Zetec {carbs on the off side}

Engine fits on to a type 9 gearbox with a flywheel from 1800 Zetec modded to take a cable clutch {retro ford}

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Alternator fits with retro ford brackets which allow the water pump to turn in the right direction

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Sump ERA, carbs ZX6R, manifolds, ECU from Chester Sports Cars who have been very very helpful and put a carb ECU almost full conversion kit of bits together for me :yes:

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Engine mounts from a GBS zero {cut and dropped 1/2"} low pressure fuel pump and exhaust flange from GBS [i cut the flange off the old stainless Xflow downpipes then cut wedges from the bottom of the pipes to allow them to bend and line up with new flange]

Standard water rail and pinto bell housing

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Prop shaft still fits ok

Radiator hoses from eBay

Its taken 3 weeks over Christmas to swap so quite quick about 42 hours put in build time. Still waiting for exhaust to come back from TIG welders and then off to rolling road :t-up: :t-up: :t-up:

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These are my experiences of swapping the engine and I'm a trained aircraft fitter but not a car mechanic so normal disclaimer!!!!! :cry:

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Gear lever needs moving back with a adaptor from Rally Design

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http://i1339.photobucket.com/albums/o707/locks125/021_zpsf76729d0.jpg

Been in garage again

Down pipes fitted :t-up:

Gear lever moved back :t-up:

TPS on carbs wired in

Computer pluged in to set up TBS

Engine run up cooling fan working :t-up:

Slight weeps to sort on cooling :oops:

Waiting for snow to melt so I can take it for a run, then off to rolling road :t-up:

Snow melted so off for a run today, car went well warmed up quick, it went very quick after the crossflow too

Still to cold and icy for a full test but 60 miles with no leeks or bits dropping off

Need to book a rolling road setup now and see what it puts out {what ever it is its enough for me on the road :t-up:}

I've added a link to photo bucket that gives you access to photos of the progress so far, any further questions and photos you my like to help with your builds please just ask

http://s1339.beta.photobucket.com/user/locks125/library/#/user/locks125/library/?&_suid=135755530046008616193651777265

USEFULL websites

http://www.tiger-super-cat.co.uk/ Graham Neale for his bike carb, ECU, plumbing plan of coolant and all round help and advice :)

http://www.retro-ford.co.uk/shop/

http://www.rallydesign.co.uk/

http://www.kitspares.co.uk/

http://www.robinhoodsportscars.co.uk/

Westfield Sports Cars are missing I called twice and no one seamed to know anything about engine mounts, manifolds, if it would fit :down:

COSTS!!!!!!!!

Engine £250

Flywheel £140

Clutch £86

Alternator mounts £123

Sump £290

G/Box Dirt shild £29

Spirot bush £12

Carbs ECU £790

Oil filter £5

Engine mounts £90

Air filter £90

Water hoses £350

Hose clips £50

Fuel pump £50

Exhorst flange £15

Paints £50

Scoop £10

Rubber trim £10

Bolts £30

Gear box £220

G/Box turret ext £50

So to swap the engine from a Xflow to an ST170 and the gearbox from a 4 speed to a 5 speed was £2740

I did sell the Xflow engine box and carbs on ebay for £910

so it cost me £1830

WAS IT WORTH IT ?????? :t-up::yes: :yes: :d :d :d :d :d :d :d :d :d :d :d :d :d

see for yourself

http://i1339.photobucket.com/albums/o707/locks125/027_zps8f6f727c.jpg

http://i1339.photobucket.com/albums/o707/locks125/028_zps5e891334.jpg

http://i1339.photobucket.com/albums/o707/locks125/042_zps2f91287f.jpg

http://i1339.photobucket.com/albums/o707/locks125/027_zps8f6f727c.jpg

http://i1339.photobucket.com/albums/o707/locks125/028_zps5e891334.jpg

http://i1339.photobucket.com/albums/o707/locks125/029_zps9b60aace.jpg

Just home from rolling road see video clip

It all went well putting out 132BHP @ 6500 RPM at the rear wheels.

The factory redline is at 7200 RPM with the limiter set at 7350 RPM my BHP was going up at the rate of 7 BHP per 500 RPM so we could have got a higher final reading on paper by increassing my over safe 6500 RPM limit

This is still nowhere near Fords claimed 170 BHP but dont let this put you off this engine. The proof of the pudding is in the driving and its plenty on options for power upgrades if you want

Its looking like the carbs have had a Dyno jet kit fitted so I need standard needles and the header pipes might need to be made out of larger diameter pipes to release a few more horses, if I want more out of it

I have reduced the solenoid valve from 3000RPM to 1500RPM and its a completely different car

It now pulls very evenly with no flat spot at 2800RPM right through and is a much easier car to drive on the road

Then I can always put cams and gas flow heads if I need more

So I still have lots of scope for further upgrades :t-up:BAR_1856_zps0ba76139.jpg

If you want to read more about the Ford ST 170 engine try here http://media.ford.com/print_doc.cfm?article_id=18338

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martyblues

martyblues 37

Posted

Thanks for taking the time to put this on the forum , I have found it most useful and informative.

Your car looks great. Boy does that engine bay fill up!!

I am contemplating 1700 xflow to 2L zetec but don't want to start till summer over, or if engine dies in the mean time.

Marty

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pickmaster Andy Lowe

pickmaster Andy Lowe 175

Posted

Good plan

Plenty of time to source parts ready

I think a 2L Zetec would fit without chopping the engine mounts, but for the extra few quid for an ST I'm so glad I made that choice :)

It's a stronger engine and it can be run without the VCT solenoid if you want to de tune it !!!!!!!

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pickmaster Andy Lowe

pickmaster Andy Lowe 175

Posted

Rolling road set up done :)

Ive finished if we ever finish these upgrades LOL

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pickmaster Andy Lowe

pickmaster Andy Lowe 175

Posted

IVE JUST DROPPED VCT SOLENOID VALVE FROM 3000 RPM TO 1500 RPM AND ITS MADE THE CAR VERY DRIVABLE WITH GOOD EVEN POWER DELIVERY

BEST THING IVE DONE TO THE SET UP YET

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pickmaster Andy Lowe

pickmaster Andy Lowe 175

Posted

After some winter mods

VVT controller

Car Builders Solutions silencer 6"

Porting and flowing my cylinderhead myself

Back on the rolling road again

162bhp @ 7000rpm at the wheels so 197bhp at the flywheel

That's good power at a very good price in my opinion

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