67 Firebird 400 4 SPEEDcombo questions???

Dennis P Chapman · 06-13-2013, 02:52 PM

You need to talk to Todd Hoven he on this site.

tj310 · 06-13-2013, 04:17 PM

You'r going to want an adjustable pressure plate with a sintered iron disc ( slipper clutch) . Ram, Mcleod , Advanced etc ---Trevor

Mark Yacavone · 06-13-2013, 05:34 PM

I would say you would need at least a .56 gear.
I ran a low comp 400 stick, and used an .88 @ about 3670#.

Adam Strang · 06-13-2013, 06:10 PM

You might be suprised about the trans gear ratios.

06-13-2013, 02:52 PM	#1
Dennis P Chapman VIP Member Join Date: Jun 2007 Location: Toms River NJ Posts: 1,594 Likes: 419 Liked 53 Times in 25 Posts	Re: 67 Firebird 400 4 SPEEDcombo questions??? You need to talk to Todd Hoven he on this site. __________________ Dennis P Chapman 1904 STK NHRA National Record Holder Car Owner.

06-13-2013, 04:17 PM	#2
tj310 Member Join Date: Sep 2009 Location: Dresden On. Canada Posts: 460 Likes: 0 Liked 0 Times in 0 Posts	Re: 67 Firebird 400 4 SPEEDcombo questions??? You'r going to want an adjustable pressure plate with a sintered iron disc ( slipper clutch) . Ram, Mcleod , Advanced etc ---Trevor

06-13-2013, 05:34 PM	#3
Mark Yacavone Veteran Member Join Date: Mar 2002 Location: Miles From Nowhere Posts: 7,821 Likes: 2,915 Liked 5,133 Times in 1,957 Posts	Re: 67 Firebird 400 4 SPEEDcombo questions??? I would say you would need at least a .56 gear. I ran a low comp 400 stick, and used an .88 @ about 3670#. __________________ "We are lucky we don't get as much Government as we pay for." Will Rogers

06-13-2013, 06:10 PM	#4
Adam Strang Member Join Date: Dec 2001 Location: Jericho,Vt Posts: 207 Likes: 94 Liked 96 Times in 23 Posts	Re: 67 Firebird 400 4 SPEEDcombo questions??? You might be suprised about the trans gear ratios. __________________ Adam Strang 1018 STK

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