The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - mystery seemingly nonexistent chevy exhaust manifold casting number.

billyredneckdipper · 01-15-2015, 08:40 AM

Just took the stock manifold s off for headers and thought i would look up well try to look the manifods up just for the hell of it, well 4hours later NOTHING the only thing i found was s post by a member of the chevelle site stating fhe same problem..casting number 3984040

Whats up with fhis? Rare millon dollar manifold! Doubtfull but hey who knows i doubt md and another person are missreading thw same exsact wromg numbers.

Good luck

01-15-2015, 08:40 AM	#1
billyredneckdipper Registered User Join Date: Jan 2015 Location: kent,wa Posts: 22	mystery seemingly nonexistent chevy exhaust manifold casting number. Just took the stock manifold s off for headers and thought i would look up well try to look the manifods up just for the hell of it, well 4hours later NOTHING the only thing i found was s post by a member of the chevelle site stating fhe same problem..casting number 3984040 Whats up with fhis? Rare millon dollar manifold! Doubtfull but hey who knows i doubt md and another person are missreading thw same exsact wromg numbers. Good luck Attached Images __________________ IF ONE MAN BUILT IT, I CAN FIX IT.