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Matt Barret
Dodge Dakota
7/20/2001
07:53:41
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 Subject: F&B 69mm TB, 4.7L dyno numbers
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I bolted on Bruce's 69mm TB for the trip to Carlisle (Chrysler Nats) this past weekend. Man does this thing pull hard ! I pulled into the show field and let the truck cool for about 3-4 hours, before I hit the Mopar Muscle Dyno shoot out. So we backed it up on the rollers to see what she's do. The results we're pretty decent!
Bruce's 69mm TB added approx 4 HP and 6 lb ft TQ, to the rear wheels. I was happy, 4 hp does'nt look like much, but the 4.7L has never been low in HP, however the TQ has always been a little lower than the 318/360 pushrod engines. No modification to date has given an increase in TQ to speak of. I had been pulling 285+/- everytime. After the F&B TB, it pulled 291 lb ft, and 215 hp. These numbers are probably going to be a little on the low side, I did'nt have a good air intake to hook up, Bruce came up with a Homemade air duct, which was corrugated. I have a feeling a Z-tube would have yielded better numbers.
Next on the Test bed: Bruces 70mm and 72mm TB and a Z-tube !! Back to the dyno folks, stay tuned!!
Matt Y2K-HEMI
'00 RC 4.7L 5spd
14.23 @ 94.49
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Hawkeye
Gen III
7/20/2001
08:19:05
|  RE: F&B 69mm TB, 4.7L dyno numbers
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Message:
Thanks for the info Matt. I really like the looks of those Torque numbers. Keep us posted on the new ones!!
So many mods, so little $$...........
'00 QC 4x4
4.7 3.55 LSD
32x11.50 BFG AT's
Green Thunder
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XLTSPCL
Dodge Dakota
7/20/2001
13:24:02
| RE: F&B 69mm TB, 4.7L dyno numbers
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I take it a K&N GEN II FIPK will still fit on Bruce's new billet TBs?
2000 CC 4x4
4.7 3.55 LSD
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Matt Barret
Dodge Dakota
7/20/2001
13:29:32
| RE: F&B 69mm TB, 4.7L dyno numbers
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Message:
No, not without modification. Bruce's TB is about 4" in Diameter, the stock TB's are about 3" +/-. There is a Z-tube from Intense Perf. coming out that will fit onto Bruce's TB.
You might be able to modify the K&N FIPK to fit, I've never seen one though.
Matt Y2K-HEMI
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Jeffster
Dodge Dakota
7/20/2001
20:27:24
| RE: F&B 69mm TB, 4.7L dyno numbers
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Message:
He he he. My super 4" intake tube will fit.
You can easily modify a Z tube BTW. Just get a 3"- 4" rubber coupling adapter at the home depot plumbing departmnet. That's how I hooked up my "super tube"
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