#81  
Old 06-15-2016, 11:58 AM
71 T/A 71 T/A is offline
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Yes, everything went back but had to really bend the tranny lines. The headers are reall close, almost touching the A-arms but it does fit and the ground clearance is as good as I've seen on a header. I went with 3-inch Pypes crossover kit and keeping the 2.5" mufflers and tailpipes. Should be worth 20 hp or so over the Ram Air manifolds and 2.5" crossover.

  #82  
Old 06-22-2016, 01:06 PM
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HWYSTR455 HWYSTR455 is offline
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My Doug's round port headers needed to be dented in the area the one passenger side tube went past the lower control arm frame mount. Those headers rusted in like 2-3 years.

On D-port heads, I use the Craftsman 'angled' wrenches, and 3/8 headed bolts. They work great. (pic)

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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
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  #83  
Old 06-23-2016, 08:06 PM
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David Jones David Jones is offline
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I use a standard Craftsman combo wrench. Reaches every bolt.

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frittering and wasting the hours in an off hand way....



1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core.
  #84  
Old 02-10-2021, 07:52 PM
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David Jones David Jones is offline
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Wow. 13 years.
Still look great.....

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frittering and wasting the hours in an off hand way....



1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core.
  #85  
Old 02-27-2022, 04:21 PM
taktikian taktikian is offline
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Default Manual trans round port fitment

It seems to me that all of the installs that went fairly well were with an automatic trans. Does anyone have a success story with round ports ,4 speed in a 1970 GTO

  #86  
Old 11-30-2022, 08:29 PM
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65catalina 65catalina is offline
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Wondering the same thing on TKX install on a 71 GTO? Did anyone have to relocate the proportioning valve on the frame?

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71 GTO stroker, with TKX 5 speed

65 Catalina 2DHT, 389 bored 0.060 over, Crower 60916 cam, #16 heads, CR Q-Jet, TH400, Continental 13", 3.42 Posi, Frame-off resto, RARE Long branch manifolds, 2-1/2" Pypes with X-pipe and Goerlich Turbo mufflers
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