Jump to content
The mkiv Supra Owners Club

Replacing stock turbos


jackso11

Recommended Posts

If the stock turbos were to fail, is htere any reason you would replace them with new J-spec ones and not stronger steel fin UK specs?

 

Just wondering as mine have both been replaced about 9k ago by the previous owner and wondered why they went for brand new J-specs turbos instead of putting UK ones on there.

Link to comment
Share on other sites

Am I right in thinking hybrids are J-Spec with UK-spec metal fins?

 

No. The metal UK compressor/turbine wheels and shafts are smaller than the equivalent J-spec and would not fit the housings.

 

Hybrid turbos are either J-spec or UK Spec turbo housings that have non-standard turbine and compressor wheels fitted, usually the housings are machined out to accept larger all metal innards.

Link to comment
Share on other sites

does it cost much to put metal fins in? I am thinking as I have nearly new turbos it might be a good time to put metal fins in.

 

For what reason?

 

If you have nearly new J-spec turbos you should be laughing, run them no higher than 1.2bar and they *should* give you great response, decent power (upto around 430hp with supporting mods) and last you a good long time.

 

Hybrid turbos with larger metal innards are noticeably more laggy - larger, heavier turbines take longer to spool up -, most only offer a modest increase in power and they can be prone to premature bearing/seal wear. The only reason to go this route would be if one of your turbos blew.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. You might also be interested in our Guidelines, Privacy Policy and Terms of Use.