Powerglide vs TH350
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Staging Lane
Joined: Aug 2006
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Powerglide vs TH350 Ok so I'm about to spray my 97 z28 and add a set of MT et streets.My stock tranny is not going to hold.The car is for track use maybe around the block so not worryed about how it street matters are witch is a better tranny for a track car?I know the glides take less to turn but would it be ok in a heavy car with spray and roller rockers but pretty much stock?Also what kind of gear would I wanna run in it with a glide?
th350 or if you drive it at all a 4l60e
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On The Tree
Joined: Sep 2006
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From: Warsaw, IN
The TH350 is a pretty good medium. Regardless of what you hear, the 350 and 400 are NOT that much different. Really, as far as aftermarket transmissions go, glides are not that much cheaper than 350's and the 400's are usually a little more. I'de recommend the 350. You get the 3rd gear in case you decide to rive it on the street, with less drivetrain loss than the 400.
Thread Starter
Staging Lane
Joined: Aug 2006
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Should be around 360rwhp on the spray.........But will be adding a set of ported heads and a cam this summer so wanna get the tranny thing out of the way.With the glide It would not even be able to take a spin around the block?This is a Maryland sticks block like 2 houses within the mile ride so no stop and go stuff.Is it going to take alot to build a glide to handle the heavy *** camaro?Proformabuilt have u dont many glides for ppl with camaro?
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Originally Posted by The Butcher
Pretty sure they all came with different gear ratio options, but that is a very good point I didn't think of. Good call!
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Originally Posted by Dzman
Should be around 360rwhp on the spray.........But will be adding a set of ported heads and a cam this summer so wanna get the tranny thing out of the way.With the glide It would not even be able to take a spin around the block?This is a Maryland sticks block like 2 houses within the mile ride so no stop and go stuff.Is it going to take alot to build a glide to handle the heavy *** camaro?Proformabuilt have u dont many glides for ppl with camaro?
In my opinion you need to have power to run a glide and have it be a good time, Launch and one shift and your in high gear so you better have some power. 360 RWHP and a glide would be boring in my opinion. Put a built TH400 in it at that power level you won't ever have to worry about the transmission again. And it will be a fun car to drive.
When you double your horsepower output then start thinkin about a glide.
On The Tree
Joined: Sep 2006
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From: Warsaw, IN
Originally Posted by gator's 99TA
i have never understood why people think a 2 speed powerglide limits you on speed.
I was referring more towards mileage and how street-friendly. But kinda like rev said. To drive a two speed on a highway or in town, you'd either be revving the hell out of it, or save mileage but be kinda sluggish.
Thread Starter
Staging Lane
Joined: Aug 2006
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Not really worryed about drivin the car on the street the stall will be like 4500.I have a lil 62 nova and I guess I didnt think about how heavy the camaro is and how hard it would be to get movin with a glide the car should be around 315 rwhp before the 100 150 shot and will go with a set of ported heads with 2.02 vavles but going to wait for the stock motor to go 1st.Thank you very much for all the help so far.Can anyone in this post tell me how long of a tailshaft I will need 2 reuse the stock driveshaft if I go with a th350?Thanks again.
Last edited by Dzman; Dec 1, 2006 at 06:52 AM.
Originally Posted by The Butcher
I was referring more towards mileage and how street-friendly. But kinda like rev said. To drive a two speed on a highway or in town, you'd either be revving the hell out of it, or save mileage but be kinda sluggish.
the powerglide and the th400/350 will have the same top speed and turn the same rpms on the highway if in the same car.
On The Tree
Joined: Sep 2003
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From: Tennessee
I have run both a glide and a t350 in the same vehicle.
I have run the same glide for 10 years and I love it, both on the street and at the track. On the street, the glide gear ratio helps with my traction. On the track, I leave on both kits and I leave at loyt less violent. What little I lost on the bottom end, I more then made up for on the long end. On the street there is nothing like the feeling of cruising at 45 mph, snapping it down into first and hitting both kits. I love it!
IMHO if you are over 3000 pounds( not you, the car ) though forget the glide. Its a great transmission but its first gear ratio is a killer when the vehicle has some weight to it. For a 300-400 hp car with some weight the t350 might be a better choice.
I have run the same glide for 10 years and I love it, both on the street and at the track. On the street, the glide gear ratio helps with my traction. On the track, I leave on both kits and I leave at loyt less violent. What little I lost on the bottom end, I more then made up for on the long end. On the street there is nothing like the feeling of cruising at 45 mph, snapping it down into first and hitting both kits. I love it!
IMHO if you are over 3000 pounds( not you, the car
) though forget the glide. Its a great transmission but its first gear ratio is a killer when the vehicle has some weight to it. For a 300-400 hp car with some weight the t350 might be a better choice. 
Tech Resident
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From: Philly
Originally Posted by Dzman
Should be around 360rwhp on the spray
Thread Starter
Staging Lane
Joined: Aug 2006
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Originally Posted by ChocoTaco369
360rwhp? sorry man, i think you're nuts for not just opting for a built 4L60E. 360 rwhp is nothing for a properly built 4L60E. plus, you get overdrive, less drivetrain loss and better ratios than a TH-350, TH-400 or glide.
Ummmm I may be nuts but atleast I can read!!!!!I could give 2 ***** about how streeable the car is for the the 90th time read the post and u could see that.....Ok did u know a stock lt makes 250rwhp add 100 150 shot thats 360 rwhp easy ok plus I have some bolt ons.Spend 700 on a verter when I can have a tranny done for the same with hardened sprag,Kavlar bands,tci vavle body and some more stuff and it takes less power to turn the glide tell me why I would wanna stay with a 4l60e?
a properly built 4L60e will go into the 10s all day every day. i did it. i wnt with a TH400 b/c i have bigger plans down the road. i wouldnt consider at 2 speed untill i was looking for 8s @ 150+
Thread Starter
Staging Lane
Joined: Aug 2006
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.Spend 700 on a Converter for the 4l60e and still be heavyer and harder to hook up or 700 and have a built tranny that can take anything I put to it now or later...........I think you guys may have fell in hit ya heads bc this is a no brainer for a track car as been stated 100 times before.If I go 8's I'm going with a lenco or liberty..........If ya got money to go 8's ya got money for them so everyone can stop takin about the 4l60E bc its not going to happen I dont need 4 gears unless I ttrap around 180.
Originally Posted by Racer383
IMHO if you are over 3000 pounds( not you, the car ) though forget the glide. Its a great transmission but its first gear ratio is a killer when the vehicle has some weight to it. For a 300-400 hp car with some weight the t350 might be a better choice.
) though forget the glide. Its a great transmission but its first gear ratio is a killer when the vehicle has some weight to it. For a 300-400 hp car with some weight the t350 might be a better choice.Glide works just fine for my 3500lb slug LOL
You are right though..... with alot of power u can even tell.....