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#1
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Finishing some upgrades for my 80 TA
Been working on this during my spare time for a while. Kind of excited about some of the upgrades. The old combo ran 10.6 @ 127 weighing close to 3900 lbs. with driver and a full tank of fuel.
464 was replaced by a AP 496 pump gas short block. 318 87 cc E-heads were replaced with 330 cfm 87 cc. Ported T2 was replaced with a more ported T2 175 HP integrated nitrous lines were replaced with a Big Shot NOS spray bar Custom 3/8 in carb spacer was added to increase plenum volume and raise the hood scoop a bit. Same carb but different boosters. Flows around 1000 cfm. TSI tight ten inch converter was replaced with a tight ATI 8". GM 3:42 10 bolt was replaced with Mosier 9" housing and axles with a 3.50 gear, Strange center section and Detroit locker. Factory drive shaft with original style Lakewood u-joints replaced with Strange driveshaft and big u-joints. Modified factory fuel tank (stock in appearance) used with two Holley blue pumps replaced with sumped fuel tank and Magnaflow fuel pump. Last edited by PAUL K; 10-02-2022 at 01:40 PM. |
The Following User Says Thank You to PAUL K For This Useful Post: | ||
#2
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Now for the cool stuff!
Found a Hooker Show Bar from a local member here and he was nice enough to include free installation with the purchase price. Had a factory 8k tach upgraded with modern electronics. Came up with a sticker for my fake battery. |
#3
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#4
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Looks AWESOME Paul. Your going to give those Texas tracks a proper introduction.
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#5
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What mufflers you running ?
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#6
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They are Walker mufflers I believe they are called their "welded" series. They are a straight through design and pretty quiet. Here's what they sound like with the old combo https://youtu.be/PhDicneJIXs |
#7
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The Following User Says Thank You to slowbird For This Useful Post: | ||
#8
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That's a badass setup! I'm sure it'll fly
Love the show bar!
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#9
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Thanks... I was stoked when I found it. I initially picked it up for a friend's 70 Z/28. After I got it to the shop and started thinking about it .... I was fortunate enough to talk him out of it.
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#10
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Great ride . I really like the sleeper look with that car. You have certainly changed a ton in the car, excellent upgrades. I’m very eager for a report on how it works on the street and at the track .
I have a fake battery also contains my fuel pressure reg. Where did u get the tac upgraded? |
#11
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Maybe a 9?
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007 (cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD 1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86' |
#12
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Hi Scott, the engine probably makes enough power to run nines, but I'm thinking I'll end up around 10.20. The car twists up pretty good leaving the line. I'll soften the launch to smooth things out. I also want to install bars from the firewall to the front of the subframe. I'm hoping that will help.
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The Following User Says Thank You to PAUL K For This Useful Post: | ||
#13
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Have you made any passes at the Motorplex yet? I used to make the trek there at least once a year. I don't have the desire to go to all the races I used to attend. The Pontiac Southern Nats, sometimes raced at the Motorplex. I wish those days would return!! I like your thinking on holding e.t.'s to a desired time. Tom and Sharon Wilhites Pontiacs both run 10's easily (the red 58 and white 59, I'm sure you know of tem). Tom's white 59 has a 540 with 2 of those large single throttle bodies on a tunnel ram, Sharon's is a 505, similar combo. Tom likes the idea of being a little easy on his engines and chassis. It also saves a lot on safety equipment and extra mods if he ran quicker. I like that blue color, what a sleeper!!! Jeff
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1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... |
#14
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Wow, nicely done!
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If you cant drive from gas pump to gas pump across the map, its not a street car. http://s207.photobucket.com/albums/b...hop/?start=100 |
The Following User Says Thank You to Region Warrior For This Useful Post: | ||
#15
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I wish those DAPA Nationals would make a come back. I haven't raced at the Motorplex yet but met Steve C's friend that races the Pontiac powered Fairmont there last April at a private track rental. He was crew chief'ing for a fast Fox body Mustang. We also met up with Jim Robertson at Extreme Dragstrip shortly before Norwalk to watch his Bad Fast TA make a couple of passes and show case his 96 d-ports making more than 800 HP NA. I always enjoy watching Tom and Sharon race. They are good at what they do. One has to stay on a realistic budget to survive this hobby and enjoy it. |
The Following User Says Thank You to PAUL K For This Useful Post: | ||
#16
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Last edited by PAUL K; 10-03-2022 at 10:50 PM. |
#17
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Your engine sounds sweet. Have fun dialing in the new engine. Looks like you have a LS killer. |
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#18
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Also interested in the tach..my stock one doesn't cut it but I have a spare 8000 rpm tach.
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2 373 gears 3200 Continental Convertor best et 10.679/127.5/1.533 60ft 308 gears best et 10.76/125.64/1.5471 |
#19
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I had a guy that redid the tach in the 81 I got from nastyZ28.com forums. Also added the higher mph speedo I had picked up years ago and matched font on the face. Nice job
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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 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
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