NOS Exhaust Questions

neuropel · 06-15-2008

(Part 1 of 3)
I recently purchased some NOS exhaust pieces and I'm looking for clarification on some of the part numbers. The first picture shows three NOS downpipes. Note the top two are identical, and the bottom one is similar but slightly different. Part number for the top two is 1 8 54 242 (see pic). The part number for the bottom one is 1 8 54 227. The second and third pictures are side-by-side comparisons to show the differences.

RallyBob · 06-15-2008

Originally Posted by neuropel

I recently purchased some NOS exhaust pieces and I'm looking for clarification on some of the part numbers. The first picture shows three NOS downpipes. Note the top two are identical, and the bottom one is similar but slightly different. Part number for the top two is 1 8 54 242 (see pic). The part number for the bottom one is 1 8 54 227. The second and third pictures are side-by-side comparisons to show the differences.

Bottom one looks like a 1.9 Kadett pipe. Should be 1 5/8" main tube diameter. The top two look like Manta/Ascona pipes, and should be 1 7/8" main tube diameter.

neuropel · 06-15-2008

A second set of down pipes included the two pictured below.
Can someone confirm what these fit?

Thanks,
Todd K.

neuropel · 06-15-2008

Final pieces in the lot included this Opel-Isuzu stuff. Any ideas on whether there's an enthusiast group out there possibly interested? Otherwise it's scrap...

Todd K.

RallyBob · 06-15-2008

Originally Posted by neuropel

A second set of down pipes included the two pictured below.
Can someone confirm what these fit?

Thanks,
Todd K.

These look like a copy of a GT headpipe.

neuropel · 06-15-2008

Actually, they're both GM NOS pieces and still have the tags/stickers - it's just that one of them has surface rust.

opelspyder · 06-15-2008

The top two are for a 50 Series Manta 1900, the Bottom one is for a 1.9 Kadett or 1.5. According to the parts book
Keith

opelspyder · 06-15-2008

The post #3 pictures are for the 1.9 GT, the last pictures are isuzu stuff. I remember seeing this on ebay, I figured the ones were Isuzu with the cats on them, but I knew there were some Opel ones as well

06-15-2008	#6 (permalink)
neuropel Rice Cooker Join Date: May 2002 Location: Spring Church, PA Posts: 1,787	Actually, they're both GM NOS pieces and still have the tags/stickers - it's just that one of them has surface rust. __________________ "In the end, it's not the years in your life that count. It's the life in your years." -Abraham Lincoln ________________ 1972 GT 2.4L 1974 Manta GT/E 2.2L 1973 Manta Rallye 2.5L

06-15-2008	#7 (permalink)
opelspyder Opel Key Master Join Date: Mar 2002 Location: Tennessee Posts: 1,301 Provided Answers: 4	Part numbers The top two are for a 50 Series Manta 1900, the Bottom one is for a 1.9 Kadett or 1.5. According to the parts book Keith __________________ Questions or comments to the Project: Restoration of a GT series 2 -post here http://www.opelgt.com/forums/opel-gt...eries-2-a.html

06-15-2008	#8 (permalink)
opelspyder Opel Key Master Join Date: Mar 2002 Location: Tennessee Posts: 1,301 Provided Answers: 4	More The post #3 pictures are for the 1.9 GT, the last pictures are isuzu stuff. I remember seeing this on ebay, I figured the ones were Isuzu with the cats on them, but I knew there were some Opel ones as well __________________ Questions or comments to the Project: Restoration of a GT series 2 -post here http://www.opelgt.com/forums/opel-gt...eries-2-a.html Last edited by tekenaar; 06-16-2008 at 01:08 AM.

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