FINALLY made it to the track
#1
Thread Starter
Member
Joined: Jul 2001
Posts: 210
Likes: 0
From: LaGrange KY
Car: 87 GTA
Engine: 355 Chevy
Transmission: T-56
FINALLY made it to the track
Well, after 2 years building my car I finally made it to the track wed night. 1/8 mile passes, but still gave me an idea of the potential the car has.
1. (7.36@93.5 1.58 60ft) nitrous throttle switch wasnt positioned properly, only hit right off the line and motor only rest of pass.
2. (6.47@104.4 1.36 60ft) my best pass of the night, nitrous hit good 1st and 3/4 of 2nd, then fried my alternator and nitrous was cutting in and out due to lack of batt voltage.
3. (8.52@59.3 1.76 60ft) my dumbass pass, launched in 2nd gear let out after 60 ft
4. (7.10@95 1.46 60ft) nitrous surge on and off the whole pass
Overall I am very pleased, never thought id break into the mid 6's on such a conservative tune and lowest jetting on the nitrous. Cant wait to see what it does on a more agressive tune and more nitrous. Sucks cause i now have to put 4 more points in the cage..
Gotta figure out what is causing my alternator to fry itself, this is my 3rd one in the last 3 months (and ive only driven about 10 miles) I think it may be wired wrong cause the voltage is reading 15.5 volts at idle.
check the vid here http://www.exit22.org/natevideos/6.47.WMV
1. (7.36@93.5 1.58 60ft) nitrous throttle switch wasnt positioned properly, only hit right off the line and motor only rest of pass.
2. (6.47@104.4 1.36 60ft) my best pass of the night, nitrous hit good 1st and 3/4 of 2nd, then fried my alternator and nitrous was cutting in and out due to lack of batt voltage.
3. (8.52@59.3 1.76 60ft) my dumbass pass, launched in 2nd gear let out after 60 ft
4. (7.10@95 1.46 60ft) nitrous surge on and off the whole pass
Overall I am very pleased, never thought id break into the mid 6's on such a conservative tune and lowest jetting on the nitrous. Cant wait to see what it does on a more agressive tune and more nitrous. Sucks cause i now have to put 4 more points in the cage..
Gotta figure out what is causing my alternator to fry itself, this is my 3rd one in the last 3 months (and ive only driven about 10 miles) I think it may be wired wrong cause the voltage is reading 15.5 volts at idle.
check the vid here http://www.exit22.org/natevideos/6.47.WMV
Last edited by twistedwedge; 08-29-2003 at 05:25 PM.
#2
Moderator
Joined: Jul 1999
Posts: 17,171
Likes: 138
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Not bad. That should be around 10.0 in the 1/4 mile. All the requirements for 9.99 and quicker in the 1/4 mile also kick in at 6.39 in the 1/8.
#4
Moderator
Joined: Jul 1999
Posts: 17,171
Likes: 138
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
If it's 15.5v then it sounds like the voltage regulator is gone.
GM alternators are not that hard to wire up. A main hot wire goes to the positive post. Another hot wire goes to the regulator (needs to be on a switched curcuit if battery is relocated so engine can be shut off from master switch). The third wire is a filed wire that goes hot when the ignition is on to activate the field and make the alternator charge.
Without checking out your wiring myself, I can only guess at what might be wrong.
GM alternators are not that hard to wire up. A main hot wire goes to the positive post. Another hot wire goes to the regulator (needs to be on a switched curcuit if battery is relocated so engine can be shut off from master switch). The third wire is a filed wire that goes hot when the ignition is on to activate the field and make the alternator charge.
Without checking out your wiring myself, I can only guess at what might be wrong.
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