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Re: Collector Extension [Re: Kindafast] #2898849 03/13/21 09:48 PM 03/13/21 09:48 PM
Joined: Jun 2005 Posts: 482 Michigan B BigFish69 mopar
BigFish69 mopar B Joined: Jun 2005 Posts: 482 Michigan	did you change the collector or just add extension.

Re: Collector Extension [Re: BigFish69] #2898851 03/13/21 10:00 PM 03/13/21 10:00 PM
Joined: Jun 2005 Posts: 482 Michigan B BigFish69 mopar
BigFish69 mopar B Joined: Jun 2005 Posts: 482 Michigan	I have a set of hooker headers 1 5/8 with 360-1 head planning on a new set 1 7/8 in the future I was considering cutting off the 3 in collector and replacing it with 3 1/2 wondering if that would help or hurt the scavenging

Re: Collector Extension [Re: BigFish69] #2898852 03/13/21 10:05 PM 03/13/21 10:05 PM
Joined: Oct 2005 Posts: 1,927 Seaford, Va Kindafast OP top fuel
Kindafast OP top fuel Joined: Oct 2005 Posts: 1,927 Seaford, Va	[quote=BigFish69]did you change the collector or just add extension. [/quote I didn't change the collector. TTI Had 3.5" Collector. I just added 18" 3.5" extension. Really happy with the pick up. 6.50 @105.26

Re: Collector Extension [Re: Wirenut] #2898967 03/14/21 10:42 AM 03/14/21 10:42 AM
Joined: Nov 2009 Posts: 3,082 St. Paul , Mn. tubtar master
tubtar master Joined: Nov 2009 Posts: 3,082 St. Paul , Mn.	Originally Posted by Wirenut Been thinking about this myself . So if you run crankcase evacs do you move them to the end of the extension , or leave them in the collector? Evac tubes stay put............gas velocity is fastest just past the merge and you generate the most negative pressure there.

Re: Collector Extension [Re: Kindafast] #2899096 03/14/21 04:40 PM 03/14/21 04:40 PM
Joined: Jun 2015 Posts: 150 It's Complicated HDNMOPERS member
HDNMOPERS member Joined: Jun 2015 Posts: 150 It's Complicated	Look into these extensions. Hendren Racing anti-reversion mufflers

Re: Collector Extension [Re: Kindafast] #2899278 03/15/21 10:31 AM 03/15/21 10:31 AM
Joined: Jan 2003 Posts: 13,363 Marion, South Carolina [><] an8sec70cuda I Live Here
an8sec70cuda I Live Here Joined: Jan 2003 Posts: 13,363 Marion, South Carolina [><]	Awesome! I bet you're feeling better now! CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax

Re: Collector Extension [Re: an8sec70cuda] #2899332 03/15/21 12:36 PM 03/15/21 12:36 PM
Joined: Oct 2005 Posts: 1,927 Seaford, Va Kindafast OP top fuel
Kindafast OP top fuel Joined: Oct 2005 Posts: 1,927 Seaford, Va	Originally Posted by an8sec70cuda Awesome! I bet you're feeling better now! Yes sir I am. All last year I backed up and went slower. LOL it was nice to see an improvement starting this year . Thanks 6.50 @105.26

Re: Collector Extension [Re: Kindafast] #2901012 03/20/21 10:32 AM 03/20/21 10:32 AM
Joined: Jan 2003 Posts: 27,421 Balt. Md 3 383man Too Many Posts
383man Too Many Posts 3 Joined: Jan 2003 Posts: 27,421 Balt. Md	I thought I remembered years ago when racers ran collector extensions that they used to say cut it off where you see it making a ring on the collector ? I believe these were 24" collectors but I never tried it. Ron

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