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limp · 2024-05-19T07:04:57-0500

The few mexican blocks that I see pop up have been ridiculously priced....

deserthoundLX · 2024-05-19T00:52:36-0500

AeroCoupe said:
Run the engine and spray (in moderation) carburetor cleaner around the lower intake and see if the rpms pick up. If so you have a leak.

Tried earlier today, no change in idle from anywhere i sprayed. really stumped with this one haha

Methodical · 2024-05-18T23:58:00-0500

WhiteCobra95 said:
When I bought my Cobra, everything was original factory, including the trans fluid. The T5 shifted okay, but it was unpleasantly notchy and didn't like finding first at a stop light when hot. When I tore it open to replace the 8-tooth speedometer drive gear with a 7-tooth gear for more ring and pinion choice options, I refilled it with Royal Purple MT fluid on a recommendation from a friend who uses it with heavy machinery transmissions. I also contacted Royal Purple directly to ask them if I should use their ATF or MT fluid for a T5. They said to use the MT fluid and that it already had friction modifier in it, so I didn't have to add any like you do for the factory recommended ATF. This was the first time I've used Royal purple for anything and I was skeptical, especially at the $17 / quart price tag at the time (it's probably way more expensive now). However, I was blown away by the difference. It's very noticeable. It feels so much smoother after switching. It's notchy, but in the good smooth notchy way you want from a muscle car manual transmission, and the resistance to find first gear when hot has completely gone away. I never would have believed that the fluid choice could make such a difference, but it does. Maybe my factory fluid was just old and warn out, but the improvement in shift quality / feel is completely worht the extra $$ in my experience.

The issue could have been that the fluid in the car when purchased was old and never changed and any new fluid would make it seem better.

AeroCoupe · 2024-05-18T22:00:24-0500

Two things I do. First is angle the drill bit and it will cut the head of the rivet as it spins. Second is a small set of vise grips to hold the rivet head while it’s drilled.

Fri Guy · 2024-05-18T21:45:23-0500

Any advice on how to remove the rivet on the door actuator? LMR video shows drilling the head out but the rivet is loose and spins if I try drilling it.

limp · 2024-05-18T20:13:27-0500

NooStang said:
My buddies 455 '68 Firebird got the same.

It sucked.... If I was picking up a date on the other side of town, I took my Dads car to pick her up and came back and got my car....

NooStang · 2024-05-18T20:07:32-0500

limp said:
I used to get 6mpg with this car back in High School.... The fuel gauge moved like the tach did.....
View attachment 720467

My buddies 455 '68 Firebird got the same.

limp · 2024-05-18T20:05:21-0500

Bullitt347 said:
My Generac generator runs on Propane.
No worries about fuel related problems.

I did not have a first born to sell to get a generac.....

limp · 2024-05-18T20:03:05-0500

I used to get 6mpg with this car back in High School.... The fuel gauge moved like the tach did.....

NooStang · 2024-05-18T19:49:05-0500

Thanks for all the replies

I refilled with 7.95 gallons of fuel. Calculated out to 8.025mpg. With idle time maybe 11mpg. I am not super easy on gas pedal, which is part of the problem.

I did swap out the 21/22# leaky injectors for a set of rebuilt 19s about 45 miles into that tank of fuel (64.2 miles total travel on trip). Also installed a ford ignition module.

Verified speedo is correct with GPS. Sure seems like 2.73 to me.

Certainly something wrong, but I would expect at 8-12mpg to have burning eyes standing behind the car, but it just doesn't smell rich or have black exhaust smoke. If this has a 15.5 gallon tank then it had 1/2 tank of fuel. Must be the gauge or sender messed up. After burning the 7.95 gallons of fuel the gauge read 1/8th.

I need to pull and check plugs soon.

Praetorious · 2024-05-18T19:23:35-0500

Meant to say use artic paste on the heat sink on the distributor that mates to the TFI module,NOT on the contacts.

Rdub6 · 2024-05-18T19:22:36-0500

limp said:
Speaking of " Tier 1 " fuels, GM recommends Tier 1 diesel for my 20 Silverado 3 liter diesel engine....
Found two places in Colorado and a few in S. California that have it......... Probably not gonna happen...

Isn't the main contributor to detonation compression? I know todays fuel is alot different than the good stuff we had in the late 60's early 70's..
Most of my friends and I had Z28 camaro's then... The 70 LT1 engine came with 11.25 to 1 compression stock from Chevrolet... I can assure you it would not run on todays fuel...

Costco has Top Tier fuel!

Praetorious · 2024-05-18T19:20:49-0500

How are you testing this? where do you have the test light hooked up to? usually if you lose spark when cranking its usually your module,these things are famous for going out on these cars,there was actually a lawsuit in the early days about them.

Before you installed the transmission everything was working fine? any chance you might have disturbed something? you need to source another module and test it with that, when you swap them out be careful when its going in, those electrical contacts are really thin, make sure its going in straight and use artic computer paste on them,that dielectric grease is good but artic paste is better.

2000xp8 · 2024-05-18T19:19:39-0500

T

Mustang5L5 said:
I like that a lot. Link?

Wish it didn’t have the logo though

SHIFT KNOBS

Custom Leather/Alcantara wrapped full billet aluminum custom racing shift knobs. Volkswagen Audi Porsche BMW MINI Audi R8 fitments available.

blackforestindustries.com

Search universal. Took me a while to figure it out. The logo isn't optimal, but you may not find another shift knob like it.

91GTstroked · 2024-05-18T19:18:25-0500

AeroCoupe said:
Was the car like this before you swapped the dampers?

I believe so. I never looked very close. But looking at old pictures it looks lower on rear driver's side.

CassieL · 2024-05-18T19:15:57-0500

Test the tfi module for coil trigger. At the module

CassieL · 2024-05-18T19:15:06-0500

conigz said:
No. Its a TFI MSD. Brand new. So bow i havs a spare i guess. What does it mean when the test light is good on the distribitor them goes out when cranking?

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