Header question? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Relish · 07-22-2009, 05:38 PM

I a looking at getting these summit brand headers, part number Summit SUM-G9006. Does any one know if i will have to modify the clutch linkage with these headers. Also does anyone know if i would have ground clearance issues with these headers by lowering the truck 3 inches in the front and 4 inches in the back. Any help will be greatly appreciated.

69GMCLonghorn · 07-22-2009, 06:04 PM

Quote:

Originally Posted by Relish

I a looking at getting these summit brand headers, part number Summit SUM-G9006. Does any one know if i will have to modify the clutch linkage with these headers. Also does anyone know if i would have ground clearance issues with these headers by lowering the truck 3 inches in the front and 4 inches in the back. Any help will be greatly appreciated.

I can't help you on the lowering thing, but in terms of clutch clearance, I had no issues whatsoever. You just have to make sure you give them all the necessary details of your truck (engine, trans, manual, P/S, etc) so they give you the right ones.

They are great headers, especially for the price!

Relish · 07-23-2009, 09:16 AM

Thanks for the help 69gmclonghorn

truckguy_69 · 08-11-2009, 01:42 AM

What size reducers come with these headers?

Relish · 08-11-2009, 12:16 PM

2.5 inch reducers come with these headers.

Gumby'sC20 · 08-11-2009, 12:23 PM

just to confirm, yes, they are 2.5 inch reducers.

truckguy_69 · 08-11-2009, 12:55 PM

Thanks just wanted to know before i ordered them and they will clear the z-bar?

68longhorn · 01-08-2011, 08:50 AM

A lil update on relish's truck. We put the headers on and the threaded rod of the clutch linkage made contact with the header. I cut between a 1/4 to 1/2 inch off and problem solved. All in all they fit good. As expected with all aftermarket pieces a lil tweaking was needed.

cajun chevy · 01-08-2011, 01:52 PM

Relish, these headers should fit my 72 c0 ,307v8, 4 speed standard? I have headers on it since I bought the truck but don't know the brand and would like to replace them soon. Wonder if the ceramic headers #SUM-G9006-9 are worth the extra money?

Relish · 01-08-2011, 05:28 PM

cajun chevy they should fit but you may have to modify one of the primaries or the clutch rod to fit them. as my brother 68longhorn stated we had to grind down the clutch rod a little

68longhorn · 01-09-2011, 10:12 AM

cajun, I have the summit ceramic coated headers on my caprice and the coating started flaking within the 1st year. They've been on the car 4 years and still there, just not much coating left.

cajun chevy · 01-09-2011, 09:22 PM

Thank for the info. Probably will go with the painted headers instead of the ceramic coated.

07-22-2009, 05:38 PM	#1
Relish Registered User Join Date: Jun 2009 Location: Bowie, Maryland Posts: 37	Header question? I a looking at getting these summit brand headers, part number Summit SUM-G9006. Does any one know if i will have to modify the clutch linkage with these headers. Also does anyone know if i would have ground clearance issues with these headers by lowering the truck 3 inches in the front and 4 inches in the back. Any help will be greatly appreciated.

07-23-2009, 09:16 AM	#3
Relish Registered User Join Date: Jun 2009 Location: Bowie, Maryland Posts: 37	Re: Header question? Thanks for the help 69gmclonghorn

08-11-2009, 01:42 AM	#4
truckguy_69 Registered User Join Date: Apr 2007 Location: washington Posts: 95	Re: Header question? What size reducers come with these headers?

08-11-2009, 12:16 PM	#5
Relish Registered User Join Date: Jun 2009 Location: Bowie, Maryland Posts: 37	Re: Header question? 2.5 inch reducers come with these headers.

08-11-2009, 12:23 PM	#6
Gumby'sC20 Registered User Join Date: Jan 2009 Location: Binghamton, N.Y. Posts: 116	Re: Header question? just to confirm, yes, they are 2.5 inch reducers.

08-11-2009, 12:55 PM	#7
truckguy_69 Registered User Join Date: Apr 2007 Location: washington Posts: 95	Re: Header question? Thanks just wanted to know before i ordered them and they will clear the z-bar?

01-08-2011, 08:50 AM	#8
68longhorn Registered User Join Date: Jun 2007 Location: Cape Coral, Florida Posts: 1,123	Re: Header question? A lil update on relish's truck. We put the headers on and the threaded rod of the clutch linkage made contact with the header. I cut between a 1/4 to 1/2 inch off and problem solved. All in all they fit good. As expected with all aftermarket pieces a lil tweaking was needed.

01-08-2011, 01:52 PM	#9
cajun chevy Registered User Join Date: Jun 2009 Location: meteghan centre, nova scotia, canada Posts: 208	Re: Header question? Relish, these headers should fit my 72 c0 ,307v8, 4 speed standard? I have headers on it since I bought the truck but don't know the brand and would like to replace them soon. Wonder if the ceramic headers #SUM-G9006-9 are worth the extra money?

01-08-2011, 05:28 PM	#10
Relish Registered User Join Date: Jun 2009 Location: Bowie, Maryland Posts: 37	Re: Header question? cajun chevy they should fit but you may have to modify one of the primaries or the clutch rod to fit them. as my brother 68longhorn stated we had to grind down the clutch rod a little __________________ -dd: 1971 c10 307/3ott 3/5 drop -future project: 1967 chevelle convertible 283/4spd

01-09-2011, 10:12 AM	#11
68longhorn Registered User Join Date: Jun 2007 Location: Cape Coral, Florida Posts: 1,123	Re: Header question? cajun, I have the summit ceramic coated headers on my caprice and the coating started flaking within the 1st year. They've been on the car 4 years and still there, just not much coating left.

01-09-2011, 09:22 PM	#12
cajun chevy Registered User Join Date: Jun 2009 Location: meteghan centre, nova scotia, canada Posts: 208	Re: Header question? Thank for the info. Probably will go with the painted headers instead of the ceramic coated.

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