LS3 intake

[2000dreambird]

ok so i just swapped a LS3 into my 00 bird,
there was a vacuum line on the back of my LS1 intake for the climate control. however this vacuum hook up is not on the back of the LS3 intake so where do i hook it up too now????

HELP!!

[transamtom]

An LS3 intake will not fit on an LS1 engine the ports are different.

LS1 cars have cathedral port heads and LS3's have a more traditional square port.

[2000dreambird]

An LS3 intake will not fit on an LS1 engine the ports are different.

LS1 cars have cathedral port heads and LS3's have a more traditional square port.

guess what i should have said is i just swapped a LS3 motor into my bird brand-new from Texas speed

[transamtom]

guess what i should have said is i just swapped a LS3 into my bird brand-new from Texas speed

Well I am glad you have a matching engine

Just use a T Junction and pull vacuum off a different port.

[2000dreambird]

what other port could i use i never wentlooking for a vacuum line to tap into before.

[2000dreambird]

so can anyone help out with this?

[transamtom]

what other port could i use i never wentlooking for a vacuum line to tap into before.

Not sure on the LS3 set up,is there a port for the MAP sensor?

[2000dreambird]

Not sure on the LS3 set up,is there a port for the MAP sensor?

on the LS3 the MAP is up front behind the throttle body

[2000dreambird]

Ok how about this, I just gotthe throttle body in and there is no spot on the intake to mount the braket for the throttle cable??? What do I do now

[pimpjames]

Did you research the swap before actually doing it bro? You probably need an adapter because it was Drive by wire?

Maybe this will help out.

LS3 drive by cable?? - LS1TECH

[2000dreambird]

I ended up ordering a bracket from Holley that worked out perfect.