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Tuning GT4088R, what to tell the tuner, what to expect.

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Old 06-10-10, 02:49 PM
  #26  
GT4088R

 
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What size chamfer are you meant to put on the inlet side of things?? I got my plate lapped and want to tidy the crap porting work done by the previous owner/builder.
Old 06-10-10, 04:25 PM
  #27  
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I find it very interesting everyone is blaming the port work.

Get a new tuner.

I go higher and wider then those ports and dont have any issues with side seals catching. The ports only look rough cause a side seal has broken and has smashed it self into the port.
Old 06-10-10, 05:59 PM
  #28  
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Originally Posted by rx72c
I find it very interesting everyone is blaming the port work.

Get a new tuner.

I go higher and wider then those ports and dont have any issues with side seals catching. The ports only look rough cause a side seal has broken and has smashed it self into the port.

Did you choose to ignore the port on the front iron? You can see where the side seals were hitting the top of the port. Also that is some of the ugliest porting I have seen a good while. Those irons look really rough in general. Send it to Howard with a better/new set of irons and let him handle it for you.
Old 06-11-10, 12:42 PM
  #29  
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I don't really know port work at all. I didn't want to call out the shop signed off on the ports. But some of you have figured out.

Instead of trying to fiddle with those irons again.
I am sending Howard my spare jdm block and the new rotor housings that were on the motor that lost a side seal.

Sending him an extra rear iron because i messed up.


I'm all packed and ready to go.
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