C-4 gear ratio

88Procharger · 09-14-2002, 08:34 PM

dose anybody know 2nd gear ratio for a C-4?

lx mike · 09-15-2002, 07:23 AM

It's between 1.4-1.5 not sure of exact number

82 GT · 09-15-2002, 03:36 PM

The C-4 had two different gear ratios.

They were:

1st 2.46
2nd 1.46
3rd 1.00

or

1st 2.75
2nd 1.57
3rd 1.00

88Procharger · 09-15-2002, 06:52 PM

Thanks

flyin 5.8 · 09-15-2002, 08:22 PM

Is there an easy way to identify what ratio is in a trans?

Barry Jackson · 09-16-2002, 01:01 PM

For 82 GT:
I am putting a c4 behind my 351w 87 Lx. Going to use a manual shift reverse pattern body, low gear set, 9 inch convertor. Do you have any hints, suggestions, etc.
Thanks,

82 GT · 09-16-2002, 02:26 PM

Quote:

Originally posted by Barry Jackson
For 82 GT:
I am putting a c4 behind my 351w 87 Lx. Going to use a manual shift reverse pattern body, low gear set, 9 inch convertor. Do you have any hints, suggestions, etc.
Thanks,

First, I need some more info. from you. Is this going to be a street/strip car or strictly drag racing?
If you plan on using it on the street then what gear set are you planning?
Do you have a specific stall speed in mind? Your stall speed also depends on the specs of the cam too...and gear ratio.
Once you know what cam you're going to use and gear ratio then you can plan what stall speed converter is best for your application.

82 GT · 09-16-2002, 02:28 PM

Quote:

Originally posted by flyin 5.8
Is there an easy way to identify what ratio is in a trans?

Good question but I'm sorry I don't know the answer to that.

Barry Jackson · 09-16-2002, 02:44 PM

Running a 4:10, street-strip car. Cam is 510 Wolverine. Stall should be at 3000.
Thanks.

82 GT · 09-16-2002, 02:58 PM

Are you asking for advice for the brand of the converter or what?
It seems like you have your parts already.
I'm a little confused what advise you are asking for.

It sounds like a good set up to me.

Barry Jackson · 09-16-2002, 04:03 PM

Thanks, just asking for any advice and or suggestions as to problems or success you have had.

09-14-2002, 08:34 PM	#1
88Procharger Registered Member Join Date: Jul 2002 Location: Frazeysburg,Oh Posts: 15	C-4 gear ratio dose anybody know 2nd gear ratio for a C-4?

09-15-2002, 07:23 AM	#2
lx mike Undescribable Join Date: Sep 1998 Location: Ft Myers Fla Posts: 1,539	It's between 1.4-1.5 not sure of exact number __________________ Rice Haters Club Member #101

09-15-2002, 03:36 PM	#3
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	The C-4 had two different gear ratios. They were: 1st 2.46 2nd 1.46 3rd 1.00 or 1st 2.75 2nd 1.57 3rd 1.00 __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.

09-16-2002, 01:01 PM	#6
Barry Jackson Registered Member Join Date: Oct 1998 Location: Pitts. Pa. USA Posts: 61	c4 For 82 GT: I am putting a c4 behind my 351w 87 Lx. Going to use a manual shift reverse pattern body, low gear set, 9 inch convertor. Do you have any hints, suggestions, etc. Thanks,

09-16-2002, 02:44 PM	#9
Barry Jackson Registered Member Join Date: Oct 1998 Location: Pitts. Pa. USA Posts: 61	c4 Running a 4:10, street-strip car. Cam is 510 Wolverine. Stall should be at 3000. Thanks.

09-15-2002, 06:52 PM	#4
88Procharger Registered Member Join Date: Jul 2002 Location: Frazeysburg,Oh Posts: 15	Thanks

09-15-2002, 08:22 PM	#5
flyin 5.8 Registered Member Join Date: Apr 2002 Location: Holland, Michigan Posts: 73	Is there an easy way to identify what ratio is in a trans?

09-16-2002, 02:58 PM	#10
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	Are you asking for advice for the brand of the converter or what? It seems like you have your parts already. I'm a little confused what advise you are asking for. It sounds like a good set up to me. __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. Last edited by 82 GT; 09-16-2002 at 03:12 PM..

09-16-2002, 04:03 PM	#11
Barry Jackson Registered Member Join Date: Oct 1998 Location: Pitts. Pa. USA Posts: 61	c4 Thanks, just asking for any advice and or suggestions as to problems or success you have had.

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