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#1
05-22-2026, 09:39 AM
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I glanced through everything, didn't see shocks. A good set of QA1 double adjustable shocks up front made a huge difference in my 76 T/A. I think they help keep front tires planted on the pavement better than a regular shock, with the tunable adjustments.
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68 Firebird. IA2 block, 505 cu in, SD Performance E-head, Solid roller 3600 weight. Reid TH400 3:90 gear. 28" slick. Best so far 9.95@135 mph. 1.39 60 ft. 76 Trans am, TKX .81 o/d, 3.73 Moser rearend, 468 with KRE D-ports, Doug headers, 3" Exhaust 950 Quickfuel. |
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#2
05-22-2026, 10:05 AM
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I'd find Herb Adam's on line -web and get his input.
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#3
05-22-2026, 01:19 PM
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Here's the rundown on my '75 Formula:
Welded subframe connectors and 8-point roll bar. Herb Adams stabilizer bars front and rear 500 lb QA1 coilovers in front. Hotchkis lowering leaf springs in back Single adjustable QA1 shocks; set half way to get started. After I get more seat time, I'll try fiddling with them. As was mentioned a few posts ago, the double adjustable are more capable but easy to get lost. No special aero except lowered and a factory rear spoiler. My lap times at Mid Ohio calculated to an average speed of 97 mph, so maybe the peak on the back straight was 110-ish?? Handling was very neutral, no aero issues. Large rear sway bar combined with terrific torque and quick throttle response forced me to learn to roll on the throttle carefully coming out of corners. Eric
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"Everybody has a plan until they get punched in the mouth" noted philosopher Mike Tyson Life begins at the end of your comfort zone. “The mind, once stretched by a new idea, never returns to its original dimensions.” |
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#4
05-22-2026, 04:59 PM
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Eric are the coil overs "Hybrid" that use the factory upper spring pocket or a weld in dedicated true coil over on the upper mount also?
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune [email protected] 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs 1964 Corvette Coupe 327 4 speed |
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#5
05-22-2026, 05:58 PM
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They use the stock upper shock mount hole and the shock mount holes in lower control arm.
Eric
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"Everybody has a plan until they get punched in the mouth" noted philosopher Mike Tyson Life begins at the end of your comfort zone. “The mind, once stretched by a new idea, never returns to its original dimensions.” |
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#6
05-23-2026, 08:45 AM
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I bet the anti-squat mod (Herb Adams) would help traction on corner exits. It did for me, very noticeable difference.
As I mentioned before, new(er) available parts address the issue: https://www.umiperformance.com/2624-...-mounts-front/ https://www.globalwest.net/product/a...-1976-1977-19/ Doug did a vid that explains it: https://www.youtube.com/watch?v=nFW_m067E18 .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be Last edited by HWYSTR455; 05-23-2026 at 09:06 AM. |
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#7
05-23-2026, 09:11 AM
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GW reverse eye leaf info:
https://www.youtube.com/watch?v=rxhM3S5J3gA Watch to end of the short install vid for the system in action: https://www.youtube.com/watch?v=PJzz9U37gwo .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
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