I figured it was time for a new thread.
After the successful outing last Wednesday at Thompson, which saw me hitting 108 & 109 (I've only hit 109 once before, in that crazy cold day in November of '16) I figured it has to be due to the Edge Racing converter. Last time this car went down the track with this engine was Nov '20 with the Summit 10" converter. I ordered the Edge converter in Sep '20, but didnt install it right away. It first got installed in Feb '21 with the ill-fated Vortec 408. It was then behind my Dart400. But when I ordered it, I gave them all the details for the ZZ383.
After going through my parts stash, I found a set of GM 1.6 roller rockers from a ZZ383 cam/lifters/valvetrain setup I bought a long time ago (before I bought my ZZ383 engine). Not sure why it had 1.6 rockers, my engine only has 1.5s. So tonight, I swapped the intakes for the 1.6s.
The cam is 222/230 @ .050, with .509/.528 lift. With 1.6's, I now have .542 intake lift. I purposely didn't do the exhausts. 1.6s would taken the lift to .563, and I didnt wanna push the springs past .550.
I manually adjusted my fuel table where the launch issue was happening. I took a drive over to Tony's with the auto-tune running while I drove there and back. It felt strong!
Will I hit 110 on Wed???? *fingers crossed*
-Dave
Chevelle Projects 2023
Moderators: MostMint, wxo, Fred32v, Basement Paul, ttamrettus
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TireSmoker
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Chevelle Projects 2023
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Basement Paul
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Re: Chevelle Projects 2023
It's a neural net processor.
-BP
-BP
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TireSmoker
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Re: Chevelle Projects 2023
WOOHOO, I made it! It was my final round loss, but I hit 110!!
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TireSmoker
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Re: Chevelle Projects 2023
Tonight's adventure...
Re: Chevelle Projects 2023
Nice
[quote="Basement Paul"]Is that a mint rocketship on the hood?? :shock:
-BP[/quote]
-BP[/quote]
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TireSmoker
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Re: Chevelle Projects 2023
More pics...
Top is the old setup. Bottom is new rears. I dont have the new fronts on yet. They are metric studs ('90 Camaro 1LE rotors) and I bought 7/16-20 lugs. I'll convert the studs to SAE in the near future, but BP has a set of metric I can use for tonight. I'll get them from him later today.
Top is the old setup. Bottom is new rears. I dont have the new fronts on yet. They are metric studs ('90 Camaro 1LE rotors) and I bought 7/16-20 lugs. I'll convert the studs to SAE in the near future, but BP has a set of metric I can use for tonight. I'll get them from him later today.
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Re: Chevelle Projects 2023
Can't wait to see your next time slip.
Fred32v
GMC Canyon Crew Cab Short Box 4x4 V6!
GMC Canyon Crew Cab Short Box 4x4 V6!
Re: Chevelle Projects 2023
Looks good - I trust the old tires were near the end of their useful life
[quote="Basement Paul"]Is that a mint rocketship on the hood?? :shock:
-BP[/quote]
-BP[/quote]
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TireSmoker
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Re: Chevelle Projects 2023
I drove to Paul's this afternoon, and we mounted up my skinnies with his metric lugs. The car really looks great with the matching drag radials and skinnies, I love it!!
I left Paul's and went out to the dragstrip tonight for their Friday night Test n Tune and boy, was it worthwhile. I was solidly in the 12.20s @ 109. First pass I went 109.98 MPH and it was the closest I'd get to 110 tonight.
I made seven passes between 6:45pm and 9:20pm, and they were all within .04 -- 12.26 was best, 12.30 was worst. All were 1109 mph. And I had several .0x lights
I took a bunch of Accel Enrichment out of my tune. I cut in in half, then cut it some more. And that has more or less cured my off-the-line stumble. Best 60 foot tonight was a 1.67. 60-foots were pretty much between 1.67 and 1.70. I can reliably mash the pedal off the line now. I feel like it could do better down there, I'm still going way rich first 3/4 second after I leave the line. But it's VERY raceable as it is, and I'm really looking forward to Wednesday.
Driving on the street with the skinnies up front -- I didn't hardly notice them at all. I sometimes push it a bit through the curves on Wilson Mills and such. I was worried that it was going to be a little sketchy, but it was just fine.
WE'RE BACK, BABY!!
I left Paul's and went out to the dragstrip tonight for their Friday night Test n Tune and boy, was it worthwhile. I was solidly in the 12.20s @ 109. First pass I went 109.98 MPH and it was the closest I'd get to 110 tonight.
I made seven passes between 6:45pm and 9:20pm, and they were all within .04 -- 12.26 was best, 12.30 was worst. All were 1109 mph. And I had several .0x lights
I took a bunch of Accel Enrichment out of my tune. I cut in in half, then cut it some more. And that has more or less cured my off-the-line stumble. Best 60 foot tonight was a 1.67. 60-foots were pretty much between 1.67 and 1.70. I can reliably mash the pedal off the line now. I feel like it could do better down there, I'm still going way rich first 3/4 second after I leave the line. But it's VERY raceable as it is, and I'm really looking forward to Wednesday.
Driving on the street with the skinnies up front -- I didn't hardly notice them at all. I sometimes push it a bit through the curves on Wilson Mills and such. I was worried that it was going to be a little sketchy, but it was just fine.
WE'RE BACK, BABY!!
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TireSmoker
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Re: Chevelle Projects 2023
Took the Chevelle on a nice looong cruise today, totaling about 250 miles! We went to Andover, crossed the Pymatuming causeway, then we headed north up PA 98 and made our way Presque Isle State Park, our 'destination'. We made a nice slow cruise through the park, and then started on our way back home. All state routes, no freeway. The car didnt miss a beat the entire time.
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TireSmoker
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Re: Chevelle Projects 2023
I did another 140 miles in the car yesterday. I headed out to Tony's in Avon, and then we continued on to Lorain to meet up with another member from chevelles.com. It's been a while since I've really driven it on the freeway and forgot just how good it is out there. I can run in the left lane with everyone at 2500rpm. I had all 4 windows down on the way out -- it's amazing how much better the older cars are with the windows down compared to new cars. I've noticed that in the '63 too. Its super easy to have a conversation with the top down.
The only 'thing'.. in the new trans, the lockup control is dependent on an internal temperature switch. With my external cooler, I don't think it ever really gets hot enough for the threshold. The car drives great without it (almost 400 miles since july 4 alone), but I think it'd be even better with it. (esp when pulling a longer grade) I'd have to drop the transmission pan to change it. I have a new aluminum pan in inventory. I'm going to put a bung in it for a temp sender. Maybe I can send it down to Cut N Paste. I'm not gonna open it up till winter, though.
The only 'thing'.. in the new trans, the lockup control is dependent on an internal temperature switch. With my external cooler, I don't think it ever really gets hot enough for the threshold. The car drives great without it (almost 400 miles since july 4 alone), but I think it'd be even better with it. (esp when pulling a longer grade) I'd have to drop the transmission pan to change it. I have a new aluminum pan in inventory. I'm going to put a bung in it for a temp sender. Maybe I can send it down to Cut N Paste. I'm not gonna open it up till winter, though.
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Basement Paul
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Re: Chevelle Projects 2023
Since I put the 160 thermostat in the Vette, the converter doesn't lock up now. But my converter isn't as loose as yours and I'm not geared as hard, so freeway cruising at 70 plus is only about 2100-2200. They like heat, I don't. And I haven't even put a real trans cooler in it yet.
-BP
-BP