Reply to "ZF 6 speed"

panteradougMember

The gearing is exactly what attracted me to the unit.

My personal opinion is that first gear ratio in the car, with the stock -2, should be numerically higher, i.e., around 2.70:1. The 2.58 first gear is much better then the stock 2.20.

The 2.58 with the 4.22 rear gives a better range of torque ratio for a launch that can use the torque of the 351.

Hall went the other way which works also. He installed the 5.37:1 rear in the -2 with the 2.20 first gear and went sub 10's in the quarter.

What is the proper torque ratio for a performance car? Simple. Multiply the first gear x the rear ratio. The product should be in the 11 to 15 area.

First gear from RBT is around $900. That's a lot cheaper then $3000 for a ring and pinion and doesn't kill the top end.

Anyway, the 6 speed had a couple of better first gear ratios available as well as fifth and and sixth.

Anyone got a 2.58 first gear for sale? That would help me out some.

2/15/077:32 AM

<ul id="{%=id%}ButtonGroup" class="button-group h-popup-buttons even-button-group even-1">
    <li id="{%=id%}Okay_buttonContainer"><a id="{%=id%}Okay" href="javascript:void(0);" class="button success no-margin-bottom h-alert-modal-ok-button" role="button">OK</a><script type="text/javascript">
        (function() {
            function {%=id%}Okay_click(event, data) {
            {%=id%}Popup.hide();
        }
        
                $('#{%=id%}Okay').on('click', {%=id%}Okay_click);
        })();
    </script></li></ul><a href="javascript:void(0);" class="close-reveal-modal" aria-label="Close Modal">&#215;</a><div class="last-modal-focus focus-utility-element" tabindex="0"></div>
</div>
<script type="text/javascript">
        (function() {
            {%=id%}Popup = new SS.Popup.ModalPopup('{%=id%}');
        })();
    </script>

Skip to main content

Membership Required

Remove From Your Block List

Manage Follow Preferences

Block

Please wait...