Pontiac - Boost Turbo, supercharged, Nitrous, EFI & other Power Adders discussed here.

          
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  #281  
Old 06-24-2022, 11:38 PM
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Quote:
Originally Posted by Tom Vaught View Post
What did you pay for your Turbos?

Hope you have enough cash to purchase another set.

I did the air scoops "down low", (copying the Olds 442 1966 & 1967 Ram Air cars, but I had the air feeding a circular Ram Air "Box".
https://www.ramairbox.com/ The air cleaner had a filter.

I was amazed with how much road trash the scoops collected and transferred to the Air Box. A cup-full at times.

In your case I see no filtering system prior to the Turbocharger compressor blades.
Maybe you have some screening that was not visible in the pictures.

Hate to see a new set of Turbos trashed and needing a rebuild minimum because you killed your turbos.
Big Chief got his turbos for free from Precision Turbos (so if the Oklahoma grit kills them) he can get another set.

Food for thought.

Tom V.
Unfortunately, air filters are super restrictive on the front of turbos, but we do have screens to keep out low flying birds and some debris. Also at 750.00 ea. Its not too hurtful to replace one. Don't have Big Chief money or sponsors.

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1964 GTO
501, Edelbrock Heads NA, 3460 lbs.
9.76 @ 137mph
1971 Trans Am Lucy Blue, 11.56 @ 115
1966 LeMans. 462, SD prepped Kaufman D ports. 11.90 @ 112
1976 Trans Am twin turbo 462, SD Edelbrock heads 8.50@159
2009 G8 GT
  #282  
Old 06-25-2022, 12:53 AM
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Thanks for the turbo info. Your car is so bad ass!!

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1970 Trans Am

Spotts Built 484" IA2, Highports, EFI Northwind
Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/
  #283  
Old 06-25-2022, 08:32 AM
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Quote:
Originally Posted by ErikW View Post
Unfortunately, air filters are super restrictive on the front of turbos, but we do have screens to keep out low flying birds and some debris. Also at 750.00 ea. Its not too hurtful to replace one. Don't have Big Chief money or sponsors.
Screens are a lot better vs nothing.

At 750 per turbo, who did you buy your turbos from?
I already have my stuff so the question relates to the manufacturer.

Tom V.

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  #284  
Old 06-25-2022, 04:12 PM
73 TRANSAM 73 TRANSAM is offline
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Tom,
He bought it from VS racing.

  #285  
Old 06-25-2022, 05:46 PM
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If you are not planning on running boost above 18 psi, most of the decent Chinese
offerings will do the job with either a sleeve bearing supporting the compressor/turbine shaft or sometimes there will be a ball bearing option that is not too expensive.

Key is the boost pressure/load exerted on the compressor/turbine shaft.

I looked at the website. The people are a Marketing outfit. Not a Turbo Manufacturer
like Borg Warner or Garrett. But they still might have access to some good parts.

Richard Holdener has lots of videos on different turbos he has tested over the years.
And he and his wife are very nice people. https://www.youtube.com/channel/UC8u...63l1-uRSx6XbnQ

Tom V.

I am disappointed though that no one in the pontiac world was willing to loan him a 57-58 Pontiac flywheel so he could run a older Pontiac engine with a turbo on it.

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"Engineers do stuff for reasons" Tom Vaught

Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
  #286  
Old 07-01-2022, 04:02 PM
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I might need a poster of this car when its done. The paint and graphics, like everything else, look fantastic!

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Mark S
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Who needs nice and pretty, when you can have mean and nasty?
KRE Aluminum headed 463CID 73 LeMans. Used to run 10.6x @ 124.55. 3700lbs
.
So much for 2020...shootin for 9s in 2021...and in 2022 apparently.....looks like 2023 as well.
>>My 73 Build thread
  #287  
Old 07-06-2022, 09:28 PM
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https://youtube.com/shorts/8KKmN9Z-_Ac?feature=shareIt's Alive!

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1964 GTO
501, Edelbrock Heads NA, 3460 lbs.
9.76 @ 137mph
1971 Trans Am Lucy Blue, 11.56 @ 115
1966 LeMans. 462, SD prepped Kaufman D ports. 11.90 @ 112
1976 Trans Am twin turbo 462, SD Edelbrock heads 8.50@159
2009 G8 GT

Last edited by ErikW; 07-06-2022 at 09:34 PM.
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  #288  
Old 07-06-2022, 10:09 PM
73 TRANSAM 73 TRANSAM is offline
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Thats a very nice looking TA you have there. Are you going to be at Norwalk?

  #289  
Old 07-06-2022, 10:49 PM
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Quote:
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It’s alive!!

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1970 Trans Am

Spotts Built 484" IA2, Highports, EFI Northwind
Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/
  #290  
Old 07-07-2022, 04:44 PM
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Quote:
Originally Posted by 73 TRANSAM View Post
Thats a very nice looking TA you have there. Are you going to be at Norwalk?
Yes, we'll be there

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1964 GTO
501, Edelbrock Heads NA, 3460 lbs.
9.76 @ 137mph
1971 Trans Am Lucy Blue, 11.56 @ 115
1966 LeMans. 462, SD prepped Kaufman D ports. 11.90 @ 112
1976 Trans Am twin turbo 462, SD Edelbrock heads 8.50@159
2009 G8 GT
  #291  
Old 07-17-2022, 08:13 AM
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Bought a Cricut machine and added some custom touches to the graphics. Attended a track rental on 7/14 and just worked on the 60ft times. We managed to get her from an initial 1.32 down to a 1.18 before we got rained out for the day. Previous best has been 1.26 at Norwalk during Drag Week 2021. Looking for low teens or high 0's. Between lauch boost, tire pressure and shock settings we are closing in.
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1964 GTO
501, Edelbrock Heads NA, 3460 lbs.
9.76 @ 137mph
1971 Trans Am Lucy Blue, 11.56 @ 115
1966 LeMans. 462, SD prepped Kaufman D ports. 11.90 @ 112
1976 Trans Am twin turbo 462, SD Edelbrock heads 8.50@159
2009 G8 GT
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  #292  
Old 08-16-2022, 09:13 PM
73 TRANSAM 73 TRANSAM is offline
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Nice talking with you guys at Norwalk last Saturday. I'm the one who asked about your custom trans pick up assembly. Good luck with your quest for a low 8's in ur car.

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  #293  
Old 08-18-2022, 01:02 AM
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Erik, I’m hoping you’ll share some information.

Are you running the 4” or 6” clear view oil filter? It’s hard to tell from the picture I saw. Did you go with the -12 lines? Screw on filter? Are your turbos directly fed from the cnc housing?

I’m planning on adding one in preparation for the turbo upgrade.
https://seethroughfilter.com/filter-nav-page/

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1970 Trans Am

Spotts Built 484" IA2, Highports, EFI Northwind
Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/
  #294  
Old 08-18-2022, 06:30 AM
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Those see thru filters look like they use Oberg filter elements...

.

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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
  #295  
Old 08-18-2022, 09:00 PM
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4" with spin on filter. -10 lines. Turbos are fed from the oil port next to the distributor.

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1964 GTO
501, Edelbrock Heads NA, 3460 lbs.
9.76 @ 137mph
1971 Trans Am Lucy Blue, 11.56 @ 115
1966 LeMans. 462, SD prepped Kaufman D ports. 11.90 @ 112
1976 Trans Am twin turbo 462, SD Edelbrock heads 8.50@159
2009 G8 GT
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  #296  
Old 08-18-2022, 09:02 PM
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ErikW ErikW is offline
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Quote:
Originally Posted by 73 TRANSAM View Post
Nice talking with you guys at Norwalk last Saturday. I'm the one who asked about your custom trans pick up assembly. Good luck with your quest for a low 8's in ur car.
Thank you. Nice to meet you as well.

__________________
1964 GTO
501, Edelbrock Heads NA, 3460 lbs.
9.76 @ 137mph
1971 Trans Am Lucy Blue, 11.56 @ 115
1966 LeMans. 462, SD prepped Kaufman D ports. 11.90 @ 112
1976 Trans Am twin turbo 462, SD Edelbrock heads 8.50@159
2009 G8 GT
  #297  
Old 11-24-2022, 03:21 PM
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Erik, what are you using for your Hall effect signals for the crank sensor and cam sensor? A crank trigger? I plan on using the Holley dual sync. Just checking if I need to modify my plan. Thanks

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James
1970 Trans Am

Spotts Built 484" IA2, Highports, EFI Northwind
Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/
  #298  
Old 11-24-2022, 09:33 PM
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ErikW ErikW is offline
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We use a 36-1 crank trigger wheel and sensor from Holley and a Luhn Performance cam sync. We custom made the crank sensor bracket.

__________________
1964 GTO
501, Edelbrock Heads NA, 3460 lbs.
9.76 @ 137mph
1971 Trans Am Lucy Blue, 11.56 @ 115
1966 LeMans. 462, SD prepped Kaufman D ports. 11.90 @ 112
1976 Trans Am twin turbo 462, SD Edelbrock heads 8.50@159
2009 G8 GT
  #299  
Old 11-24-2022, 10:46 PM
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Tom Vaught Tom Vaught is offline
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Some very nice package work for the basic turbo mounts, inter-cooler plumbing, etc.

Tom V.

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"Engineers do stuff for reasons" Tom Vaught

Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
  #300  
Old 11-29-2022, 12:24 PM
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Nacs Fab Nacs Fab is offline
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Erik,

How do you like the adjustable front spring pockets? I have some from Innovative Racecraft for first Gen and I’m going to install them when I do my floors and frame rail replacement. Did you plug the remaining holes with plastic hole plugs to keep smoke out of the car from Burnouts? Does the caltracs fit in the upper most portion of the bracket?


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