Compression too high?

My new Pantera project car came the following engine:
351C block with 4.025 bore, stroke 3.675 (my measurements)
Stroker crank
Ross forged pistons, slightly domed (probably custom)
DOAE closed chamber heads setup for solid lifters
Clay Smith cam 292-8-B

This engine was probably built 10 or more years ago and was never fired.

My concern is that compression is to high for current day premium gas. It may be as high as 11.8, although I may not have the correct numbers for Summit Racing's compression calculator. I spoke with tech support at Clay Smith cams and he said that I may need different pistons that result in less compression since this motor was probably built at a time when high octane gas was readily available.

The following pics may shed some light. Your comments are appreciated.

Attachments

Hide

Images (1)

11/7/1610:17 AM

Original Post

<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

Attachments

Membership Required

Remove From Your Block List

Manage Follow Preferences

Block

Please wait...