1.1 on 18s - Saxperience

shane · 12th April 2007, 16:09

my mate has a 1.1 106 and was thinking about putting 18s on and turning it in to a show car. would he lose much speed and would it be worth doin?

Certi · 12th April 2007, 16:11

He'll have no speed with 18s. I had 17s on my 1.4i and when you couple that with a heavy boot install the car is useless over 70mph. I'd imagine the 1.1 will be a fair bit slower.

Surely if he's making a show car he wont want to go fast anyway.

shane · 12th April 2007, 16:14

he was going to get it chipped just to make it go a bit quicker when it was finished. but dont know how much it will increase the bhp by

Scott^p · 12th April 2007, 16:14

going to have to go wide arch and move the fuel filler pipe as well as massive arch mods

Certi · 12th April 2007, 16:15

Chip will do very little to improve the speed on a 1.1 with 18s. Only real way of increasing speed is a bigger engine, or smaller wheels.

Toad · 12th April 2007, 16:52

You are joking right? Why would you be concerned about speed in a 1.1?

Scott^p · 12th April 2007, 17:13

chip on a 1.1 is going to do absolutely nothing in fact on a 1.1 unless hes prepared to spend thousand to get to only vtr power then its going to be show with no go

Bondie · 12th April 2007, 17:27

Im on 16"s their alryt i top out at 100ish in my 1.1.

Bondie

djrem · 12th April 2007, 17:32

10 inch wheels all the way.

1.1 on 10inches will do like 110 plus

Barry123 · 12th April 2007, 18:10

Quote:

Originally Posted by djrem

10 inch wheels all the way.

1.1 on 10inches will do like 110 plus

...on the speedo yeah... but about 50mph in real life.

chesh · 12th April 2007, 19:59

Im on 195/45/15's and have clocked my speedo at 110mph (dont know if its right though). I have a 02 plate 1.1. Wouldnt go no where with 18's on!

Tom

Predator_R32^p · 12th April 2007, 20:17

dont bother, i wont move

Toad · 12th April 2007, 20:18

Chesh, if you want an exact figure of your top speed, you need to either get your setup checked on a dyno, or you can also get it GPS checked. I've been led to believe that speedo's are pretty inaccurate.

Mattsaxo · 12th April 2007, 20:27

speedos r set out by 5 - 10 mph anyways

chesh · 12th April 2007, 20:31

Thats cool,

I was just saying what my speedo says. I wouldnt mind going about seeing what my top end is just for a laugh!

Where can i go to get it checked on a dyno. Does it cost much?

Tom

Barry123 · 12th April 2007, 22:51

Quote:

Originally Posted by Mattsaxo

speedos r set out by 5 - 10 mph anyways

^^ this bollocks me off. the speedo is out by a percentage. when you do 10mph are you stationary???

Quote:

Originally Posted by chesh

Thats cool,

I was just saying what my speedo says. I wouldnt mind going about seeing what my top end is just for a laugh!

Where can i go to get it checked on a dyno. Does it cost much?

Tom

I wouldnt bother with the dyno man, just grab a gps unit from a chum and run the car at a constant speedo indicated 50mph. look at the gps unit to tell you what speed you're actually doing.

then do this to work out the percentage error
(50 - gps speed) x 2

but you'll find that your speedo is about 10% out (like mine)

so you actually did 99mph.

Ad

PS dont speed.

paul_saxo_VTR · 12th April 2007, 23:10

i have 18's on my VTR show car and it is now supercharged, The 18's do take alot of accelaration away as when i had the supercharger fitted to my other vtr with 15's it was alot quicker.

Aron · 12th April 2007, 23:18

Yer my mates got a 1.1saxo with 17's and topped out at 90mph, as got a pretty heavy kit on aswell though. But another has a 1.1 106 with 16"s which was doing 110 next to me and mines bin speedo checked and i hav gps in the car.