1st Gen sbc headers suggestions? - Team Camaro Tech
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post #1 of 15 (permalink) Old Oct 13th, 03, 12:39 PM Thread Starter
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I'm going to try to talk my kid into keeping the stock exhaust manifolds, however just in case he pushes me to putting headers on, anyone have recommendations?

This is on a 67 M/T coupe with floor shifter. No AC. Stock 327 cid. No smog. This car will be a daily driver.

Thanks.

'67 RS Coupe - Gold on Gold, 327/210, PG and mostly original
'67 Plain Jane Coupe - Penske Blue, Z/28 stripes, 350HO & Tremec TKO500
'95 Z28 Coupe - Dead stock (seriously)
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post #2 of 15 (permalink) Old Oct 14th, 03, 12:59 PM
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I stuck a set of Doug Thorley headers on mine a few months ago and they fit fine. Easy installation and snug all over. Got them at Summit during their 10% discount. Had them in two days.


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post #3 of 15 (permalink) Old Oct 14th, 03, 01:30 PM Thread Starter
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Were they the THY-376Y1's?

'67 RS Coupe - Gold on Gold, 327/210, PG and mostly original
'67 Plain Jane Coupe - Penske Blue, Z/28 stripes, 350HO & Tremec TKO500
'95 Z28 Coupe - Dead stock (seriously)
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post #4 of 15 (permalink) Old Oct 15th, 03, 07:31 AM
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Part number through Summit was DTE-376Y1.


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post #5 of 15 (permalink) Old Oct 15th, 03, 09:54 AM Thread Starter
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Yup, that's them. What engine and tranny combo are you running? Any problems at all?

If I go headers, I'm leaning towards this route.

'67 RS Coupe - Gold on Gold, 327/210, PG and mostly original
'67 Plain Jane Coupe - Penske Blue, Z/28 stripes, 350HO & Tremec TKO500
'95 Z28 Coupe - Dead stock (seriously)
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post #6 of 15 (permalink) Old Oct 15th, 03, 02:18 PM
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They are going on my 67 M/T floor shift, PS, PB, Vintage Air car.

1967 RS Coupe (clone): 406 SBC, Thorley headers, Muncie, Hotchkis suspension, Centerline Matrix 17" wheels with Nitto 555's, Baer brakes, 12 bolt 3.73 posi, RS conversion, Vintage Air, PPG Hot Red. (SOLD)

1968 RS Coupe: Project...Mini-tubbed, Cammed LS 6.0, T56, 12 bolt 3.73 posi, Ridetech 4 link...slowly adding more...
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post #7 of 15 (permalink) Old Oct 15th, 03, 04:42 PM
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I see they have the THY-375Y and THY-376Y1 for the first gen Camaros. They look like they'll fit much better than traditional 4 tube headers. But both numbers above are marked "no A/C". I wonder what the limiting factor is? I plan to install a Vintage A/C system. I presume it's all braketry related.

How about floor plan and oil filter clearance on those headers - any comment?

-dnult

Dave
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68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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post #8 of 15 (permalink) Old Oct 15th, 03, 04:49 PM Thread Starter
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They're going on my kid's car which is a 327 M/T floor shift car. My car has the powerglide, which according to Thorley's website, means I need the 375's instead. (376's say explicitly no powerglides). Luckily neither of our cars are original AC cars.


'67 RS Coupe - Gold on Gold, 327/210, PG and mostly original
'67 Plain Jane Coupe - Penske Blue, Z/28 stripes, 350HO & Tremec TKO500
'95 Z28 Coupe - Dead stock (seriously)
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post #9 of 15 (permalink) Old Oct 15th, 03, 06:15 PM
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My combo is a 350 ZZ3 engine with a 4 speed super T10 tranny and no A/C in a '67 RS. Once mounted the headers sit very close to the floorboards but don't touch. Only downside at this time is the discoloration on the tubes. Not much but a little. I think once I change exhaust pipes and mufflers I will pull the headers and get the jet hot done to them which will be next years project.


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post #10 of 15 (permalink) Old Oct 16th, 03, 03:20 AM
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That's what I am gonna do. When they turn, if I don't like the look, I will send them to Jet-Hot. They are actually pretty reasonable since they have to strip the nickel/chrome plating off then recoat with Jet-Hot.

1967 RS Coupe (clone): 406 SBC, Thorley headers, Muncie, Hotchkis suspension, Centerline Matrix 17" wheels with Nitto 555's, Baer brakes, 12 bolt 3.73 posi, RS conversion, Vintage Air, PPG Hot Red. (SOLD)

1968 RS Coupe: Project...Mini-tubbed, Cammed LS 6.0, T56, 12 bolt 3.73 posi, Ridetech 4 link...slowly adding more...
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post #11 of 15 (permalink) Old Oct 16th, 03, 03:45 AM
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The Thorley's are also available with a ceramic coating (even through Summit). Just add a -C to the part number and shuck a few more dollars from your wallet. I ordered the 376Y1-C and they are very nice.


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post #12 of 15 (permalink) Old Oct 16th, 03, 06:34 AM
 
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The Thorley's are nice headers. I put coated Dynomax headers on the 69 SBC, 4 Speed. No power steering, no A/C. They fit great, no clearance issues anywhere and the ceramic coating still looks like new after two and half years.
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post #13 of 15 (permalink) Old Oct 16th, 03, 07:09 AM
 
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Put Dynomax coated headers on mine too. $269.00
No AC No PS - Went right in in a couple hours. Only thing I had to do was remove oil filter and Z-bar bracket.
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post #14 of 15 (permalink) Old Oct 18th, 03, 05:05 PM
 
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Where did you guys get the Dynomax coated headers for $269 at? Update i found them at Jegs, but they dont show a part for 67-69 camaro, they do show for 68 and up nova and chevelle, are those the ones you guys got?
Thanks..Jerry
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post #15 of 15 (permalink) Old Oct 19th, 03, 05:54 AM
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Do the Thorley Tri-Y's allow the reverse lockout rods to clear on the 4 speed cars?
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