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Old 08-05-2019, 09:11 PM   #151
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Fast work; this would have taken me about 4 1/2 years!
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Old 08-05-2019, 09:30 PM   #152
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Fast work; this would have taken me about 4 1/2 years!
Me as well, but work gets in the way!!
(And the older I get, the less I like the heat).
Looking good, that's the T-5 I take it?
Steve
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Old 08-05-2019, 09:49 PM   #153
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Me as well, but work gets in the way!!
(And the older I get, the less I like the heat).
Looking good, that's the T-5 I take it?
Steve
Yessir! She's a good bit bigger than the teeny tiny M40.
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Old 08-05-2019, 10:54 PM   #154
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Glad you decided to stick with it. Looks like good progress
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Old 08-06-2019, 11:16 PM   #155
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Glad you decided to stick with it. Looks like good progress
Considering the fact the best offer I got was $1600 from some local clown, I figured I'd just pony up and make it useable. I'm excited for the .79 5th the T5 offers. By my math, the m40 would be at 3500RPM at ~63 mph, and with the T5 in 5th, 3500RPM is ~80 mph.
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Old 08-07-2019, 09:09 AM   #156
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Considering the fact the best offer I got was $1600 from some local clown, I figured I'd just pony up and make it useable. I'm excited for the .79 5th the T5 offers. By my math, the m40 would be at 3500RPM at ~63 mph, and with the T5 in 5th, 3500RPM is ~80 mph.
Oh they have a lazy 5th all right. Close 1-4 and then it feels like you dropped off a cliff to 5. Good gas mileage though. What rear gear is in this thing? 4.30 or something?
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Old 08-07-2019, 12:00 PM   #157
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4.10 so I’m told
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Old 08-07-2019, 01:10 PM   #158
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Yeah it'll be good then, that's what I've got in my wagon.
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Old 08-07-2019, 02:21 PM   #159
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I’m using 4.10 on the 8.8 and 5th gear is great in my 122. I expect a smaller turbo will help it even more.
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Old 08-07-2019, 02:51 PM   #160
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What T5 has a .79 5th? My T5z has a .63 5th, and it's only good for highway cruising. Useless below ~3000 rpm, even with the turbo engine. I plan on pulling it out and putting a .80 5th in it, as well.
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Old 08-07-2019, 03:13 PM   #161
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Originally Posted by stick70 View Post
Oh they have a lazy 5th all right. Close 1-4 and then it feels like you dropped off a cliff to 5.
I don't think that's going to be the case with a .79 fifth ratio.

I'm running a 3.91 rear, .80 fifth (t5z with a 'sebring' gear set), 24" rear tire and gear spacing 1-5 is perfect for staying on power at all times. 3k rpm highway cruise is a touch under 70mph.
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Old 08-07-2019, 03:40 PM   #162
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What T5 has a .79 5th? My T5z has a .63 5th, and it's only good for highway cruising. Useless below ~3000 rpm, even with the turbo engine. I plan on pulling it out and putting a .80 5th in it, as well.
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Old 08-07-2019, 04:45 PM   #163
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I don't think that's going to be the case with a .79 fifth ratio.

I'm running a 3.91 rear, .80 fifth (t5z with a 'sebring' gear set), 24" rear tire and gear spacing 1-5 is perfect for staying on power at all times. 3k rpm highway cruise is a touch under 70mph.
Ahhh yeah I missed his gear #, I've got the standard set in mine. I've thought about that sebring set for my 242.
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Old 08-08-2019, 01:27 PM   #164
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Ahhh yeah I missed his gear #, I've got the standard set in mine. I've thought about that sebring set for my 242.
I can't rant and rave enough about the gear ratios/spacing in my car relative to the power curves, I really don't think it could be any better. We also probably have fairly similar roads (I'm in the sticks up here, roads are tight and twisty) and 5th is great for cruising the 45mph posted roads that actually get driven between 55-75.

BUT I have no reason to be in the car on the highway besides the 1 exit I jump on the way to work. It's doable but any extended highway cruising gets tiresome pretty quickly (also a factor of how the car is set up). Just a lot of buzzing and NVH that is much less invasive at ~2200rpm.
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Old 08-08-2019, 01:39 PM   #165
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Originally Posted by Stiggy Pop View Post
I can't rant and rave enough about the gear ratios/spacing in my car relative to the power curves, I really don't think it could be any better. We also probably have fairly similar roads (I'm in the sticks up here, roads are tight and twisty) and 5th is great for cruising the 45mph posted roads that actually get driven between 55-75.

BUT I have no reason to be in the car on the highway besides the 1 exit I jump on the way to work. It's doable but any extended highway cruising gets tiresome pretty quickly (also a factor of how the car is set up). Just a lot of buzzing and NVH that is much less invasive at ~2200rpm.
This is what I'm after too. The highway cruising with the .63 5th and my 4.30 gears is really nice, but there's no acceleration available for passing, and the 4-5 jump is not doable for the roads you're talking about. I do these vintage rallies that seek out all the twisty roads in CA. But it's often a bit of a road trip to get there. I still think I'm going to put a .80 5th in there and just bring ear plugs for the highway.
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Old 08-09-2019, 10:18 PM   #166
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The car sorta runs and drives.
Plugs are horribly fouled and the carbs still need a ton of tuning.
I need to adjust the clutch more as the trans wants to grind with the pedal on the floor when I go to put it in gear.
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Old 08-09-2019, 10:33 PM   #167
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Is there a bunch of slack in the cable? If not, you may need to space the clutch fork pivot ball out.
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Old 08-09-2019, 11:03 PM   #168
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Is there a bunch of slack in the cable? If not, you may need to space the clutch fork pivot ball out.
I took all the slack out and it got far better. I'm going to tighten it a hair more and then feel it out once I get it to stop running like dog ****.
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Old 08-11-2019, 01:08 PM   #169
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If you're running SU's, look up Dylan's 544 tuning vids. If you follow them to a T, you'll be running well. Do you have a timing light ? Best $75 I ever spent for an older engine.

If you're on a single Weber, get rid of it. Those carbs are awful.
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Old 08-11-2019, 01:47 PM   #170
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I need to adjust the clutch more as the trans wants to grind with the pedal on the floor when I go to put it in gear.
Adjust the cable as already mentioned, but also be aware that early versions of 140 clutch forks could fatigue and bend resulting in not full disengagement. Kind of like what you're describing.

I know the fork was redesigned by 1972 to make it stronger. Not sure about '71.
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Old 08-11-2019, 04:47 PM   #171
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Adjust the cable as already mentioned, but also be aware that early versions of 140 clutch forks could fatigue and bend resulting in not full disengagement. Kind of like what you're describing.

I know the fork was redesigned by 1972 to make it stronger. Not sure about '71.
I think he's running a Mustang trans.
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Old 08-11-2019, 04:58 PM   #172
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I think he's running a Mustang trans.
My mistake.
Wasn't paying close attention.
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Old 08-11-2019, 11:10 PM   #173
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I want to light my goddamn hair on fire.

I am fighting a severe fuel starvation issue.

The t5 is the sht though. Very nice to get on Rt1 and sping 2800 at 70 mph. A little whiny in 1-3 but supposedly that's normal.
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Old 08-12-2019, 07:33 AM   #174
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Someone mentioned in your other thread to check the in-tank filter.
Can't recommend this enough.
If it is the in-tank filter, pull it and put in a second clear in-line filter until you can get an in-tank replacement.
Then connect a fuel pressure gauge. I forget what it calls for, but it's pretty low.
Good luck.
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Old 08-12-2019, 08:46 AM   #175
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Also make sure you have the correct type of gas cap? I'm not sure what a 1971 would have. My PV needed a vented cap because it had no other tank evap control/venting. It would run fine until you got onto the highway and it started really pulling gas out of the tank - it would pull a partial vacuum that would eventually overpower the mechanical pump. Then I'd spend 4 - 5 minutes trying to figure out why it died on the side of the highway, while the vacuum slowly leaked down, then it would start and run fine again... *argh* One time I just happened to pull the cap off and noticed a big WHOOSh of air going into the tank.
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