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Rear gears #449843
08/25/09 06:36 PM
08/25/09 06:36 PM
Joined: Dec 2008
Posts: 1,200
UK
6
602heavy Offline OP
pro stock
602heavy  Offline OP
pro stock
6

Joined: Dec 2008
Posts: 1,200
UK
Run a 605" that's been built for nitrous , running 3:55 gears & 60fts are a nightmare (1.5 no gas) , charger weighs 4150lb without driver , just fitted some 4:10 gears & wondering what it might pick up , got a 10" covertor which stalls @ 4500 , 29" tyres , motor is 9.5:1 cr , any of you guys gone fron 3.55s to 4,10s? ,this snail goes over the 1/4 around 5500rpm.

TIA.

Re: Rear gears [Re: 602heavy] #449844
08/26/09 04:39 PM
08/26/09 04:39 PM
Joined: Jan 2003
Posts: 2,924
A shed in England
Tig Offline
master
Tig  Offline
master

Joined: Jan 2003
Posts: 2,924
A shed in England
We go through with 7200rpm showing @ 142 (4:10 & 29.5's) With gas who knows what rpm we'd be pulling , too many would be my guess


'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
Re: Rear gears [Re: 602heavy] #449845
08/26/09 04:54 PM
08/26/09 04:54 PM
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
Dodgem Offline
master
Dodgem  Offline
master

Joined: Mar 2008
Posts: 5,746
Ontario, Canada
My guess would be a drop in ET of 2.4 to 3%.

Re: Rear gears [Re: Dodgem] #449846
08/26/09 05:08 PM
08/26/09 05:08 PM
Joined: May 2004
Posts: 3,210
robin hood country
deaks Offline
master
deaks  Offline
master

Joined: May 2004
Posts: 3,210
robin hood country
Adam
Time to get rid off the show car and get that motor in something lighter.
Mick


69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
Re: Rear gears [Re: deaks] #449847
08/26/09 06:52 PM
08/26/09 06:52 PM
Joined: Dec 2008
Posts: 1,200
UK
6
602heavy Offline OP
pro stock
602heavy  Offline OP
pro stock
6

Joined: Dec 2008
Posts: 1,200
UK
Quote:

Adam
Time to get rid off the show car and get that motor in something lighter.
Mick




A few issues Mick but sure it will run the #s , was hoping to pick up maybe a tenth on the 60ft with the 4.10s , just gotta get the nitrous issues sorted then who knows , still contemplating fitting the 4.30s which i also have.








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