# Injectors

**URL:** <https://forums.speedlife.net/t/injectors/167592>\
**Category:** PittSpeed Automotive\
**Created:** [July 7, 2004, 8:29am UTC](https://forums.speedlife.net/t/injectors/167592 "2004-07-07T08:29:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![slpgtp2000](https://avatars.discourse-cdn.com/v4/letter/s/a87d85/32.png) [@slpgtp2000](https://forums.speedlife.net/u/slpgtp2000)\
**Post date:** [July 7, 2004, 8:29am UTC](https://forums.speedlife.net/t/injectors/167592/1 "2004-07-07T08:29:27Z")

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i have a 1999 gtp with 3.25 pulley, reprogrammed pcm, air intake and exhaust. I was going to get lucas 42.5 injectors, a walboro fuel pump, and an adjustable fuel pressure regulator, is there anything i need to do to make sure this is gonna work properly? also where can i find an adjustable fuel pressure regulator. thanks jim

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**Author:** ![GNocide](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/gnocide/32/5947_2.png) [@GNocide](https://forums.speedlife.net/u/GNocide)\
**Post date:** [July 7, 2004, 1:38pm UTC](https://forums.speedlife.net/t/injectors/167592/2 "2004-07-07T13:38:07Z")

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get a scanmaster/ computer to read fuel map/curves. and caspers electronics sells the adj f/p reg on there site and also through summit. locally -jaysgnparts in new stanton has them.

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**Author:** ![BlkP42E](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/blkp42e/32/5938_2.png) [@BlkP42E](https://forums.speedlife.net/u/BlkP42E)\
**Post date:** [July 7, 2004, 10:42pm UTC](https://forums.speedlife.net/t/injectors/167592/3 "2004-07-07T22:42:50Z")

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is that 42.5# injectors???

if so, thats a lil overkill dont ya think?

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**Author:** ![97greengtp](https://avatars.discourse-cdn.com/v4/letter/9/bc79bd/32.png) [@97greengtp](https://forums.speedlife.net/u/97greengtp)\
**Post date:** [July 9, 2004, 12:14pm UTC](https://forums.speedlife.net/t/injectors/167592/4 "2004-07-09T12:14:01Z")

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I have basically the same mods as you plus headers,dp,and rockers and I don’t even need bigger injectors. Buy headers or rockers instead of wasting your money on stuff you don’t need.