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Sorting out the T-ram car

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Old 08-09-2018, 10:37 AM   #101  
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Car: 1992 Z28 1LE
Engine: L98
Transmission: 700R4
Axle/Gears: 9 bolt 3.73


Re: Sorting out the T-ram car

Yeah on some good radials it should rattle off a 12 second pass I would think! The converter is the only thing that will hold it back from that. The 3.42's won't help much out of the hole but once it's rolling it has enough power to overcome that! I think it will run a 12.99 atleast, on a good day in good air it might be faster. I took it for a drive last night and it sure drives nice. It almost feels like a dead cylinder a little bit at mid range, I might have the preload on the lifters set a little too tight, or the plugs might just be wet from messing around with that stumble for a while before swapping it. None the less it works well for an old girl!
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Old 08-09-2018, 12:43 PM   #102  
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Re: Sorting out the T-ram car

Purty.
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Old 08-11-2018, 09:26 PM   #103  
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Car: 1992 Z28 1LE
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Axle/Gears: 9 bolt 3.73


Re: Sorting out the T-ram car

Today the ARP wheel studs, moser axles, moser aluminum girdle cover, and rear control arm relocation brackets all showed up. Going to throw that all in it tomorrow, throw the drag radials on it, and take it out for some test hits at the track this week. I have a set of 6 year old nitto drag radials in 315/35/17, I'll have to get them hot and make a few warm hits on them to get the oils back out of them and sticky but they should hook pretty well on it. I'm wondering now how much timing I should run in it. I'm thinking about 11 degrees, I have it at 7 right now
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Old 08-13-2018, 11:41 PM   #104  
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Re: Sorting out the T-ram car

I never got the car to ping or pull timing, wouldnt hurt to start at 11 and back it off if it feels like it's laying down / hear ping. The transmission was such a weird deal with that car, it took a several months for Bellevue transmission to get it right, then a year later the torque converter went out. The guy that had run the shop left and the owner took over, he and I didnt see eye to eye and it took almost another year for them to get it close to what it was before. The owner actually told me this was the last time his shop was going to work on it and I took it home to test drive it. It was all wrong, I brought it back the following week ready to go toe to toe with the owner and guess who was back? The general manager I had dealt with before. I told him to test drive it and if he felt it was right I would be on my way. He came back pissed. It wasnt close to being right, they didnt account for the shift kit or added clutch packs. They had another converter made for it that was a tighter than the original but it worked OK along with everything else they had done so I left sorta satisfied.

With the original converter, small cam and T-Ram and crappy GSC's it would pull 1.80 sixty foot times, every time with light wheel spin. Not sure how the HSR impacts TQ below 3K RPM, but it should pull better than that settup with drag radials.
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Old 08-14-2018, 01:04 AM   #105  
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Car: 1992 Z28 1LE
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Transmission: 700R4
Axle/Gears: 9 bolt 3.73


Re: Sorting out the T-ram car

Our track prep isn't anything to write home about but it's not terrible. My bolt ons 4th gen I can get high 1.50 60's with it, and my headers, stall, gears 92 L98 I can get a low low 1.80 with it. I'm assuming I should still be able to get it down in the 1.80's if I can get it planted good. I wish it had a little more converter and a little more gear but it's a street car and has great street manners. We will see how it does!
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Old 08-14-2018, 06:41 AM   #106  
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Car: 1989-92 FORMULA350 305 92 Hawkclone
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Re: Sorting out the T-ram car

I bet she makes 11s really easy, hoping for a nice smoke show vid soon...
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Old 08-15-2018, 05:30 PM   #107  
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Car: 1992 Z28 1LE
Engine: L98
Transmission: 700R4
Axle/Gears: 9 bolt 3.73


Re: Sorting out the T-ram car

I didn't make if for this Wednesday's drags as far as running the car. But I did find my "dead hole" lol #5 plug was cracked which is strange because I put fresh plugs in it the second day I had it. Runs a ton smoother and sounds more crisp at an idle for sure. I'm real contemplating trying setting up gears myself for the first time. It's really long legged, I know some 4.10's would wake it up a ton.
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Old 08-16-2018, 10:18 PM   #108  
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Re: Sorting out the T-ram car

It's got 3.42's now, along with a about a 2500 RPM stall converter. I would suggest running it as is then looking for a bolt in 9". Don't waste your time / money putting gears in that diff.
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Old 08-17-2018, 12:50 AM   #109  
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Car: 1992 Z28 1LE
Engine: L98
Transmission: 700R4
Axle/Gears: 9 bolt 3.73


Re: Sorting out the T-ram car

I'm going to throw a 4.10 gear set in the 10 bolt for this car. The 10 bolts aren't really as terrible as everybody makes them seem. as long as you're not going in and out of traction, wheel hopping, or in a stick shift car the 10 bolts will hold up to a lot. In my personal and my dad's personal 4th gen ET bracket cars we both consistently ran high 11's with low low 1.60 60ft times on 10 bolts. The only reason I ended up doing an S60 in mine was I wanted to do more street duty with the car and I used cheap motive gears and I run a midwest chassis tunnel mount arm and it transfers every single big of gear noise into the car. But I have run plenty of 10 bolts in fast-ish cars the launch good. I am 100% confident that a set of good spicer quiet gears, tighten up the stock posi, and the chromoly axle shafts and this thing will hold up just fine.

On another note this car gets a wild amount of attention. It really turns heads!
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