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by **F.U.K FESTA** on Thu Aug 12, 2004 9:42 pm

hey ppl just wanted to know what the top speed is of a Fiesta 1.6 Si 16v

any ways to increase the acceleration and top speed too, without doing major work n spendin hundreds. cheers Rob

by **Traser** on Thu Aug 12, 2004 11:53 pm

just had a look on parkers, it says hp but not top speed. soz man. i would like to know too, if any1 knows?

by **chop_suey** on Fri Aug 13, 2004 7:44 am

i got 115 out of mine, i know thats on the clock but its the only way i have of measuring it. i'm pretty sure it would have gone to 120 but i ran out of road!

by **jdfiesta** on Fri Aug 13, 2004 8:47 am

christ is that all the 1.6's go to? had my 'little' 1300 up to that point on speedo on many occasions. just before 120. mind, had a bit of work like. would suspect about 120 on speedo, 110 actual?
JJ

by **javablu** on Fri Aug 13, 2004 10:08 am

But then again this is ford speedo's :rolleyes:

On the book they reckon top speed of 109, Des got to 120, Dave's got to 113 then run out of road..

There is no way to increase the pull without a lot of money, only a few things I can suggest:

Piper cams, take out your original cams, these babies give a fuckin load more torque and make you pull like a pimp in a nightclub.

2.0l throttle body, will seriously give you a lot of pull, need an EMF re-map though. that costs.

RS 1800 gearbox, will give a lot lore pull down the gears, obvioulsy making you get up to 110 faster.

All quite a bit of money mate, but aren't worth it on a 1.6, get a 2.0l when you can afford it and then do all of that to it, will go like a Bic™.

by **PUREtom** on Fri Aug 13, 2004 2:48 pm

I get 120mph flat out down the A13.

Apparently the Si gear box only goes up to 125mph! But if ya doing conversions etc, keep the Si gear box and ya get better acceleration. U don't really need to go any faster than a tonne really, unless ya what a ban!

by **javablu** on Fri Aug 13, 2004 3:50 pm

120 on ya speedo mate lol.

PRob about 110-115 tops

by **javablu** on Fri Aug 13, 2004 3:52 pm

PUREtom :I get 120mph flat out down the A13.

Apparently the Si gear box only goes up to 125mph! But if ya doing conversions etc, keep the Si gear box and ya get better acceleration. U don't really need to go any faster than a tonne really, unless ya what a ban!

Think they do 130 actually, they just aren't powerful enough. MAte has a 1.8 and has gone through about 5 gearboxes, thats how we have fun LOL

by **F.U.K FESTA** on Fri Aug 13, 2004 4:08 pm

thanks for your replys, i did 115 cud have went a little bit further i reckon, not too bothered about top speed like its the acceleration im more bothered about.

by **mike_wall15** on Fri Aug 13, 2004 4:08 pm

89 bhp
10.4 secs 0-60mph
110mph Top Speed.

2 litre is the best mod for an Si IMHO

Mike

by **PUREtom** on Fri Aug 13, 2004 4:43 pm

Flip2k3 :120 on ya speedo mate lol.

PRob about 110-115 tops

Yeh, it's nice to think ya going faster tho! Damn speedo's play tricks on us

Onli way to be sure is get caught and ask wot you was doin!
But I don't wanna lose me license.

by **javablu** on Fri Aug 13, 2004 4:44 pm

Indeed, pull faster than a standard RS turbo, and still saves you all the hassle from a turbo

by **scotty_boy** on Fri Aug 13, 2004 10:00 pm

had 125 out of mine

slipstreamin' my friend downhill. hahah. as if it would ever go that fast really. should have taken a picture but was a 'little' busy. hehe.

by **Kartracer69** on Tue Aug 17, 2004 10:30 am

I didn't think you could put the 2.0l throttle body on to the 1.6? I've only got 110 mph on the clock, but it's jsut not rapid enough. Anyone help re the throttle body, my dads a mechanic so i want to keep him occupied!!

by **Sunil_FiestaRS_16V** on Tue Aug 17, 2004 2:23 pm

Kartracer69 :I didn't think you could put the 2.0l throttle body on to the 1.6? I've only got 110 mph on the clock, but it's jsut not rapid enough. Anyone help re the throttle body, my dads a mechanic so i want to keep him occupied!!

you cant you need an rs1800 throttle body

by **Kartracer69** on Tue Aug 17, 2004 2:38 pm

so ,if i got hold of an rs1800 throttle body, what gains or differences am i to expect? is it a case of taking of just swapping it over? thanks matey, J :aviator:

by **F.U.K FESTA** on Tue Aug 17, 2004 2:51 pm

nice question more options for me to think about.

by **danfezSi** on Tue Aug 17, 2004 5:40 pm

Sunil_FiestaRS_16V :
Kartracer69 :I didn't think you could put the 2.0l throttle body on to the 1.6? I've only got 110 mph on the clock, but it's jsut not rapid enough. Anyone help re the throttle body, my dads a mechanic so i want to keep him occupied!!

you cant you need an rs1800 throttle body

you can... i did it.

needed to swap the mechanism over tho

not sure what extra its gonna give but you will need to get it set up. in 2 weeks im gettin mine done by john noble motorsport.

any1 actually know what these give? on focis the larger tb usually gives about 9.

by **Kartracer69** on Wed Aug 18, 2004 9:49 am

I'm definitely interested in doing this would be cool if you posted a topic when you've got it set up so i can see if its worth it! so it's a 2 litre throttle body from a mondeo? did you get it from ford or breakers? sorry for the interogation just wanting to know matey! :lol:

James

by **danfezSi** on Thu Aug 19, 2004 12:28 pm

straight out the scrappers m8y.

loverly big butterfly opening. not long now so ill keep you posted

by **F.U.K FESTA** on Thu Aug 19, 2004 12:40 pm

sounds good and interesting to do

by **javablu** on Thu Aug 19, 2004 12:47 pm

Only snag is you need to get your EMF remapped so it adjusts the fuel level.

by **javablu** on Thu Aug 19, 2004 12:47 pm

Only snag is you need to get your EMF remapped so it adjusts the fuel level.

by **Kartracer69** on Thu Aug 19, 2004 2:31 pm

Flip2k3 Posted: Thu Aug 19, 2004 12:47 pm Post subject:

--------------------------------------------------------------------------------

Only snag is you need to get your EMF remapped so it adjusts the fuel level.

Is this a job my dad (mr mechanic) can do do you reckon? Or is it a bit more complicated? cheers dude :aviator:

by **dave_si** on Thu Aug 19, 2004 4:10 pm

he means ecu :wink:

by **Kartracer69** on Thu Aug 19, 2004 4:17 pm

now it makes sense...

by **danfezSi** on Fri Aug 20, 2004 12:30 pm

hence really why you need a rollin road set up really to ensure fuelling is good thru the entire range.

by **Kartracer69** on Fri Aug 20, 2004 12:33 pm

oh yeh just a quick one, how much is it to get a car rolling roaded and set up like you were saying? just a rough price

by **Phil Si** on Fri Aug 20, 2004 2:38 pm

its not just teh throttle body that effects it.. its the size of the valves.. and the ports on the engine...

The Si ports are like this o and the 2.0 are like O < that :lol:

Valves are also just too small on the Si

by **Kartracer69** on Fri Aug 20, 2004 2:50 pm

yeah i know the si has tiny valves, so not hopeful of any massive increase when danfezsi gets it done. but curious to know if its worth it, ta

by **danfezSi** on Sat Aug 21, 2004 2:57 pm

rollin road set up at john noble motorsport is £55 per hour.

as with most mods such as zorsts etc its all about increasing the effeciency of the engine and to this extent the tb will help.

hey only a week and we will see how it does. if it beats 94.5 then its done somet

by **Project** on Sat Aug 21, 2004 3:59 pm

Phil Si :its not just teh throttle body that effects it.. its the size of the valves.. and the ports on the engine...

The Si ports are like this o and the 2.0 are like O < that

Valves are also just too small on the Si

Tbh there's as much if not slightly more valve area on a 1600 Zetec than a 1600 CVH. The restriction is the diameter of the inlet tracts in the head, low cam profile (afaik) and restrictive TB.

Unfortunately as far as I know you can't open out the 1600 Zetec inlet ports very far without breaching waterways.

/Munk

by **DaveZetec** on Sat Aug 21, 2004 11:23 pm

Flip2k3 : Des got to 120

So did I in that car :lol:

either a dodgy speedo or its a fast one

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