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Dione J

 posted on 13th Jan 05 at 09:57

quote:
Originally posted by ffls
In theory you should remap to suit bigger throttle body, using a Unichip for instance, to sort the mixture, if not it will run lean I guess:rolleyes:


Thankyou at least someone talks sense, cheers for the advice :thumbs:


Dione J

 posted on 13th Jan 05 at 09:56

quote:
Originally posted by miles
The 8v throttle bodys are much bigger than the 16v ones if they are the same as the 1.6 8v ones anyway, so I cant see any gain tbh.


The 1.4 8V throttle bodies are way smaller than the 2.0 cavalier 16V throttle body, hence the difference in diamater and more airflow = more bhp, not sure how much it is but it made a good difference with pick up performance :thumbs:


ffls

 Icon depicting mood of post posted on 13th Jan 05 at 09:46

And what about bigger throttle for 1.416v or 1.616v?
These are sold by several companies at an outrageous price ieMantzel, courtenay regal
Just 2 or 3 bhp more but...everything counts:rolleyes:


Rileysport

 posted on 13th Jan 05 at 09:34

dunno about the full plenum fitting, i'll look next week when the engine's out :lol:


sri14

 posted on 13th Jan 05 at 09:31

I didnt think that a 2.0 plenum would fit as the ports wouldnt line up as its big block. was the 2.0 throttle body easy to fit, ie streight swap. have looked at my 1.4 8v throttle body and thought a larger butterfly might help a bit



Dave A

 posted on 13th Jan 05 at 01:05

probably could improve airflow due to having a larger intake, but unlikely to make any major gains apart from throttle response

"pulls like a 1.6 16v":lol:


miles

 posted on 12th Jan 05 at 23:22

The 8v throttle bodys are much bigger than the 16v ones if they are the same as the 1.6 8v ones anyway, so I cant see any gain tbh.


ffls

 Icon depicting mood of post posted on 12th Jan 05 at 19:31

In theory you should remap to suit bigger throttle body, using a Unichip for instance, to sort the mixture, if not it will run lean I guess:rolleyes:


Dione J

 posted on 12th Jan 05 at 15:35

anyone else??


Rileysport

 posted on 12th Jan 05 at 15:18

if you fit the full plenum etc off the 8v 2.0 you might get results, ive got on elaying around, was going to look at this myself :rolleyes:


Dione J

 Icon depicting mood of post posted on 12th Jan 05 at 15:14

Hi

Has anyone tried to fit a 2.0 throttle body (off any late vauxhall 2.0 engines - cavaliers, etc) to a 1.4 8V Corsa SRi engine before? I tried this for an experiment and it sort of worked but due to I use my car daily too and from work it kind of never got set-up correctly so I went back to the standard one but really notice the difference in the pulling, the car felt like a 1.6 16V lol.

Any thoughts or help would be much appreciated?

:thumbs: