intercooler change and revving????

[c4c23]

hope someone can give me abit of help....

I bought a upgraded intercooler fot my 2003 MCS, i bought it from the states, its exactly the same spec as the GRS intercoolers.. having put it on and starting it up, (just ticking over) it started to rev its selfs up and down, between 1000 - 1500rpm ?? also the manifolf was glowing after 5minutes?? at first i though oxy/lamba sensor but they are fine. ive had it to a mini specailist and he seems to think its the cooler? its taking to much air in? its on a standard pully but ive got a 15% pully to go on, would this help with the charger spinning faster due to the smaller size and wanting more air to cool it??

Please help me solve my mini problem, its been off the road 2weeks and its killing me lol

C4c23

[c4c23]

its was 75pound cheaper, it has exactly the same spec (cores ect) i checked with lohen before i bought it...

[c4c23]

if im honest i didnt think it fitted great, well not like that standard 1 anyway. the rubber couples arnt the best' would it help it i got some alta silocone ones? i literary just loosened the 4 bolts holding the original cooler down, took the couplings off, put them on the new cooler and fitted it... it didnt do it straight away, after about 5minutes..

Thankyou for you quick response and help.

[c4c23]

how can i define either of these problems? is there anything else to look out for?

Thanks again for the help