Choosing a stall converter

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already described above, and I know it drove fine for granny. But I decided to swap it.
 
already described above, and I know it drove fine for granny. But I decided to swap it.
 
The B&M gave my combo a 1700 RPM flash stall, [b]the launch[/b] felt much better. It felt like I had swapped to a 350, when launching. And by launching, I mean flooring the gas the instant the light went from red to green. It pushed me into the seat noticeably more, and I loved it.  I thought I had invested wisely, and I felt I got what I paid for.
 
The B&M gave my combo a 1700 RPM flash stall, [b]the launch[/b] felt much better. It felt like I had swapped to a 350, when launching. And by launching, I mean flooring the gas the instant the light went from red to green. It pushed me into the seat noticeably more, and I loved it.  I thought I had invested wisely, and I felt I got what I paid for.
But I was in for another surprise. I finally stopped playing in traffic and got on the highway. I was so stunned
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But I was in for another surprise. I finally stopped playing in traffic and got on the highway. I was so stunned
 
to discover my slippage wasn't 200 RPM. It was just 50 RPM! So I stomped the go pedal, the RPM shot up by another
 
to discover my slippage wasn't 200 RPM. It was just 50 RPM! So I stomped the go pedal, the RPM shot up by another
 
350, for a total of 400.
 
350, for a total of 400.
I didn't bother to check my MPG, this carb was also leaky, and I always did 17 MPG, same as with the 2.41:1 axle
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I didn't bother to check my MPG, this carb was also leaky, and I always did 17 MPG, same as with the 2.41:1 axle
 
it had before. But that aside, I know it would help MPG. After all, my previous '78 / LG3 / TH350 / 1200 / 2.41:1
 
it had before. But that aside, I know it would help MPG. After all, my previous '78 / LG3 / TH350 / 1200 / 2.41:1
 
/ 205-75R14 Camaro did 23 MPG with a best of 26.
 
/ 205-75R14 Camaro did 23 MPG with a best of 26.
I can't say the 2000-stall drove better than the 1200-stall in the snow, but I can say it wasn't any worse.
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I can't say the 2000-stall drove better than the 1200-stall in the snow, but I can say it wasn't any worse.
  
 
Combo 3 was a friend's '65 Mustang. It had an 8.3:1 302 with Roush 200 heads, a Comp Magnum 292 cam, headers,
 
Combo 3 was a friend's '65 Mustang. It had an 8.3:1 302 with Roush 200 heads, a Comp Magnum 292 cam, headers,
 
intake, carb, 3500-stall, C4, 3.80:1 spool. Tires were 25" diameter.
 
intake, carb, 3500-stall, C4, 3.80:1 spool. Tires were 25" diameter.
That thing needed 10.5:1 compression, but a full summer of tuning got it driveable. To the point that he swapped
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That thing needed 10.5:1 compression, but a full summer of tuning got it driveable. To the point that he swapped
 
street radials for drag tires. Then we went out to the exact center of nowhere, did up the 5-point race harnesses,
 
street radials for drag tires. Then we went out to the exact center of nowhere, did up the 5-point race harnesses,
 
and he let it fly.
 
and he let it fly.
If you've ever felt a jet plane on takeoff, this puts them all to shame. Nothing you've ever experienced at any
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If you've ever felt a jet plane on takeoff, this puts them all to shame. Nothing you've ever experienced at any
 
amusement park even comes close, either. This was like God's own pillow-covered sledgehammer to the heiney.
 
amusement park even comes close, either. This was like God's own pillow-covered sledgehammer to the heiney.
First experiences are always more vivid than follow-ups, and that's the case here. This wasn't to be my last
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First experiences are always more vivid than follow-ups, and that's the case here. This wasn't to be my last
 
experience with race converters, but it was an eye-opener.
 
experience with race converters, but it was an eye-opener.
  

Revision as of 19:52, 22 December 2011

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