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Dyno results, dissapointing......

Started by Paul G, May 12, 2012, 07:11:22 PM

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Cooter

Quote from: c00nhunterjoe on July 22, 2012, 09:43:36 PM
If you are debating a cam swap then all of your current carb tuning is wasted effort. Do the cam swap, then tune the carb
:2thumbs:
" I have spent thousands of dollars and countless hours researching what works and what doesn't and I'm willing to share"

Paul G

Quote from: Cooter on August 08, 2012, 05:32:10 AM
Quote from: c00nhunterjoe on July 22, 2012, 09:43:36 PM
If you are debating a cam swap then all of your current carb tuning is wasted effort. Do the cam swap, then tune the carb
:2thumbs:

I understand that but, It is interesting me to see how much I can do with what I have first. It's a learning experience for me, and really apreciate your help. I am trying to get the most out of it without spending too much $$ at first. My time is cheap and it's a great hobby.

I had the car on another chassis dyno. Link to that thread.        http://www.dodgecharger.com/forum/index.php/topic,95693.0.html

It seems what I have done to the carb, jetted down 2 sizes in the primary's, and went to a weaker spring in the secondary vacuum diaphram, has netted some gains. It is a totally different dyno machine. But the numbers are going up. If I can believe them? Gained 4 HP, and 58 TQ from the previuos dyno pull.
1972 Charger Topper Special, 360ci, 46RH OD trans, 8 3/4 sure grip with 3.91 gear, 14.93@92 mph.
1973 Charger Rallye, 4 speed, muscle rat. Whatever engine right now?

Mopars Unlimited of Arizona

http://www.moparsaz.com/#

Paul G

If I can believe these numbers that little 360 is making 290 HP and 420 TQ at the crank using 20% losses. Thats a lot of torque for a stock stroke small block.
1972 Charger Topper Special, 360ci, 46RH OD trans, 8 3/4 sure grip with 3.91 gear, 14.93@92 mph.
1973 Charger Rallye, 4 speed, muscle rat. Whatever engine right now?

Mopars Unlimited of Arizona

http://www.moparsaz.com/#

cdr

the only way to find out true HP is go to the drag strip,,,was it really 32 deg temp when it was tested? the correction factor was .95% so on that day it actually made 244 hp
LINK TO MY STORY http://www.onallcylinders.com/2015/11/16/ride-shares-charlie-keel-battles-cancer-ms-to-build-brilliant-1968-dodge-charger/  
                                                                                           
68 Charger 512 cid,9.7to1,Hilborn EFI,Home ported 440 source heads,small hyd roller cam,COLD A/C ,,a518 trans,Dana 60 ,4.10 gear,10.93 et,4100lbs on street tires full exhaust daily driver
Charger55 by Charlie Keel, on Flickr

Paul G

Quote from: cdr on October 07, 2012, 12:34:11 PM
the only way to find out true HP is go to the drag strip,,,was it really 32 deg temp when it was tested

No it was not. We are in the 80's this time of year. Cloudy yesterday as well, humidity up a bit when clouds are overhead, maybe 20% humidity yesterday.
1972 Charger Topper Special, 360ci, 46RH OD trans, 8 3/4 sure grip with 3.91 gear, 14.93@92 mph.
1973 Charger Rallye, 4 speed, muscle rat. Whatever engine right now?

Mopars Unlimited of Arizona

http://www.moparsaz.com/#

cdr

i added to my previous post,,the correction factor is not right then
LINK TO MY STORY http://www.onallcylinders.com/2015/11/16/ride-shares-charlie-keel-battles-cancer-ms-to-build-brilliant-1968-dodge-charger/  
                                                                                           
68 Charger 512 cid,9.7to1,Hilborn EFI,Home ported 440 source heads,small hyd roller cam,COLD A/C ,,a518 trans,Dana 60 ,4.10 gear,10.93 et,4100lbs on street tires full exhaust daily driver
Charger55 by Charlie Keel, on Flickr

cdr

if #s are correct your car at 3900lbs should run 14.15 @ 95 mph in the 1/4
LINK TO MY STORY http://www.onallcylinders.com/2015/11/16/ride-shares-charlie-keel-battles-cancer-ms-to-build-brilliant-1968-dodge-charger/  
                                                                                           
68 Charger 512 cid,9.7to1,Hilborn EFI,Home ported 440 source heads,small hyd roller cam,COLD A/C ,,a518 trans,Dana 60 ,4.10 gear,10.93 et,4100lbs on street tires full exhaust daily driver
Charger55 by Charlie Keel, on Flickr