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Warpman89

E6 Power Increase

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I have a 1988 R688ST with the E6 350 hp. Is there a cheap way to increase the power possibly by turning up the injector pump, or is that not recommended?

Also, I have the 12 speed mack tranny, does anyone know what model # it would be?

Thanks

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which injection pump do you have?

Robert Bosch ??

or

American Bosch??

yes it is fairly easy to do, and only will cost your time... however 350 is about the max "reliable" continuous duty rating an e-6 should run at.... can you get more you bet you can, should you only if you want to do a rebuild sooner than you normally would.

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Also, I have the 12 speed mack tranny, does anyone know what model # it would be?

TRTXL1070B

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which injection pump do you have?

Robert Bosch ??

or

American Bosch??

yes it is fairly easy to do, and only will cost your time... however 350 is about the max "reliable" continuous duty rating an e-6 should run at.... can you get more you bet you can, should you only if you want to do a rebuild sooner than you normally would.

Anything much more than 350 and your pushing the limit.

You also have to be carfull how much fuel you give it BECAUSE you can crack the block if you over fuel to much!And you will have nothing to rebuild, I have seen em crack at the sixth main cap from being over fueled!That is why the block was changed when the e7 came along The main caps were then bolted to the block thru the sides simular to V8 !The same block used right from the 250 to the 454 The eteck block is also built in this fashion!The New VOLMAC engine is a total diffrent animal More complex mor volvoized! :angry::angry:

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try this=

Trent

trent will this work on my 237????????

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if you have the same pump it should.. be carefull as the 237 does not have any means to cool the intake air!!! watch the EGT guage closely!

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