67-69 Firebird TECH Includes 69 TA.

          
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  #1  
Old 04-27-2026, 11:35 AM
punkin punkin is offline
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Default 4l80e dip stick

Hello all,

To those who have converted to 4L80e in their first gen birds. What are you using for transmission dip stick? I've got a flexible Lokar unit which appears nice and all but a real pain when filling the trans and the filling tube/line is way too long. Curious what everyone else is using.

Thanks in advance to all who take a moment to read my question.

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1968 Firebird
IA2 522
340 E-heads
Northwind 950 Carb
4L80E
3.50:1 Rear

1969 Firebird
IA2 535
Northwind (Induction undetermined)
3.50:1 Rear
  #2  
Old 04-27-2026, 01:51 PM
punkin punkin is offline
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I should add, that the Lokar unit I'm using currently is the longer firewall mounted 2-piece unit. It's just too long. I did contact Lokar and they don't recommend shortening it. Their alternative is to recommend a shorter unit that has a bracket to mount onto one of the transmission bolts. It's a bit of an expensive trial an error approach that I would like to avoid.

Thanks again.

__________________
1968 Firebird
IA2 522
340 E-heads
Northwind 950 Carb
4L80E
3.50:1 Rear

1969 Firebird
IA2 535
Northwind (Induction undetermined)
3.50:1 Rear
  #3  
Old 04-27-2026, 04:44 PM
AG's Avatar
AG AG is offline
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I used the shorter Lokar one on my race car (24"? I think, can't remember) and it's perfect.

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1967 Firechicken, 499", Edl heads, 262/[email protected]" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. [email protected] mph with a 1.45 60'. Still WAY under the rollbar rule.
  #4  
Old 04-28-2026, 03:13 PM
punkin punkin is offline
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Quote:
Originally Posted by AG View Post
I used the shorter Lokar one on my race car (24"? I think, can't remember) and it's perfect.
I thank you!

__________________
1968 Firebird
IA2 522
340 E-heads
Northwind 950 Carb
4L80E
3.50:1 Rear

1969 Firebird
IA2 535
Northwind (Induction undetermined)
3.50:1 Rear
  #5  
Old 04-28-2026, 06:16 PM
694.1 694.1 is offline
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Spoke to a guy who's biz is "Masta Performance Inc.
He makes custom dip sticks that hug the trans for applications just like this
Could be a good "fit" for this sort of an occasion

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  #6  
Old 04-29-2026, 07:38 PM
punkin punkin is offline
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Great suggestion...Thanks!

__________________
1968 Firebird
IA2 522
340 E-heads
Northwind 950 Carb
4L80E
3.50:1 Rear

1969 Firebird
IA2 535
Northwind (Induction undetermined)
3.50:1 Rear
  #7  
Old 04-29-2026, 08:59 PM
JLMounce JLMounce is offline
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I used the dipstick that was on the transmission from the factory. My trans is a 94 model year out of a GMC 1500 pickup. It's big and sturdy with a nice locking lever for the dipstick itself.

The dipstick comes up the tunnel nicely and sits behind the passenger side valve cover. It's at an angle that can make filling a little more difficult, but it's not as though this is something that has to be done regularly. I just make sure I have a funnel that has an angled cutout.

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-Jason
1969 Pontiac Firebird
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