why clean, flow test injectors

I have just received some 550cc injectors just removed from a uk spec supra.

I have heard i should get them flow tested and clened before fitting them, is this correct?

Thanks

Yes it is correct....imagine if one is partially blocked and the others are fine...you see a nice AFR on your gauge thanks to the other 5 but that one running lean will blow that piston up through detonation.

New engine or pay for them to be tested and cleaned??

Always good policy for NEW, vital for used! I can do them at 12 quid each plus return postage of 8.50 (insured).

hi chris intrested in getting mine flow tested please let me know wot to do, address etc

PM returned Rob, but please use e-mail to me at [email protected] Thanks

All I'll add is that it's no good getting it done and then leaving the injectors on the shelf again...do it just before you use them.

Thanks chaps, so its a big have to do even if they have just come out of a car working fine.

Chris i will be in touch when i have all the bits.

Always good policy for NEW, vital for used! I can do them at 12 quid each plus return postage of 8.50 (insured).

Thanks chaps, so its a big have to do even if they have just come out of a car working fine.

Chris i will be in touch when i have all the bits.

Used ones can still be clogged....probably not a lot but it's still better to be safe. It makes sure you're mapping is safe too..

Alex, can they become clogged during useage, ie my stock ones which have never been removed?? is there any way of telling if they become blocked apart from the inevitable bang??

Mikey

Alex, can they become clogged during useage, ie my stock ones which have never been removed?? is there any way of telling if they become blocked apart from the inevitable bang??

 

Mikey

There is no real way of telling no...but that's why I'd use optimax or Texaco SUL as they are the best at cleaning. The Tesco's stuff is more powerful but has no advanced cleaning agents.

interesting thread..

so is it reccomended to have the injectors cleaned at a certain interval?? say 100k miles?

If you're looking for cleaning agents you can do no better that STP "Total System Cleaner".

It comes in a silver bottle and Halfrauds sell it for £15odd (more expensive than the usual tat)

It is the business, got the Chevron patented concetrate and if your injectors are clogged or you have lots of carbon deposits, you can feel the difference within 20-30miles.

I kid you not.

When CostCo brought sets of two-for-one I got SIX for myself, that's how well it works.

Of course if you've got the injectors already out, then send them to Chris , his price is *half* what I had to pay locally for ultrasonic cleaning.

Adam I can get these done if you wish mate