Trailblazer SS Owners... RADICAL Gains from RADICAL Ported Intake!
01-30-2017, 01:08 PM
#101
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Peak Performance do you have experience with porting Dorman aftermarket LS intakes?
Dorman #615-901 is supposed to be a LS2 90mm with the fast 78 runners. There a good bit of interest in it. I've read the snout on some dormans usually are narrower than the factory intake and need to be opened up. Is that something you address when porting the intake?
Example dorman ls6 intake had a 73mm opening which ia narrower than factory LS6 intake.
Dorman #615-901 is supposed to be a LS2 90mm with the fast 78 runners. There a good bit of interest in it. I've read the snout on some dormans usually are narrower than the factory intake and need to be opened up. Is that something you address when porting the intake?
Example dorman ls6 intake had a 73mm opening which ia narrower than factory LS6 intake.
Bob
Peak Speed Shop
01-31-2017, 07:38 PM
#103
These are available on rock auto now $354.79 try this also Use code 5573649049747010 for extra 5% off.
Last edited by need4speed069; 01-31-2017 at 07:39 PM. Reason: added more input
07-13-2017, 10:46 AM
#105
TECH Senior Member
You're bumping all your old threads...... a little biz pick-me-up?
06-05-2018, 04:20 PM
#110
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Yes we have ported the dorman intake and believe there are gains from the porting. Unfortunately no one has reported dyno results from just the porting of the intake manifold yet. If you are interested in having one ported the cost is $275 to port the runners and throttle body opening.
