<div dir="ltr">Chuck,<div><br></div><div>I had flat-top pistons with a stock head in my 948 bugeye. Compression ratio was 10.5:1. Start looking for some race gas.</div><div><br></div><div>Rick</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 8, 2024 at 7:52 PM Mark Haynes via Spridgets <<a href="mailto:spridgets@autox.team.net">spridgets@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><p dir="ltr">The 12A185 and the 12A629 were the original 948 castings, strangely, the Cooper S used a 185 casting as well, but it was quite modified for that application. </p>
<br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 8, 2024, 1:21 PM AOL Mail Update (Terms & Policy) <<a href="mailto:crusaderchuck55@aol.com" target="_blank">crusaderchuck55@aol.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px"><div></div>
<div>12A185 is the casting number...</div><div>Chuck</div><div><br></div>
<div id="m_-5873631820652240013m_-7624454574237078166ydpff62e8ddyahoo_quoted_8844829322">
<div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
<div>
On Monday, October 7, 2024 at 07:56:23 PM EDT, Mark Haynes <<a href="mailto:220caribou@gmail.com" rel="noreferrer" target="_blank">220caribou@gmail.com</a>> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id="m_-5873631820652240013m_-7624454574237078166ydpff62e8ddyiv8413766242"><div><div style="font-size:12.8px"><div style="min-height:90px">Hi Chuck, </div><div style="min-height:90px">What's the head casting#?The flattop pistons are a good compression ratio upgrade, especially with a skimmed, ported 1098 big valve head (12G206, 12G209)</div><div style="min-height:502px"></div></div><div style="font-size:12.8px"><div style="min-height:91px"></div><div style="width:328px;margin:16px 0px"><div><div><table cellpadding="0" cellspacing="0" style="padding-top:32px;background-color:rgb(255,255,255)"><tbody><tr><td><table cellpadding="0" cellspacing="0"><tbody><tr><td style="max-width:560px;padding:24px 24px 32px;background-color:rgb(250,250,250);border:1px solid rgb(224,224,224);border-radius:2px"><img width="72" height="72" alt="Error Icon" style="padding: 0px 24px 16px 0px; float: left;"><table style="min-width:272px;padding-top:8px"><tbody><tr><td><h2 style="font-size:20px;color:rgb(33,33,33);margin:0px">Delivery incomplete</h2></td></tr><tr><td style="padding-top:20px;color:rgb(117,117,117);font-size:16px">There was a temporary problem delivering your message to <a style="color:rgb(33,33,33)" rel="noreferrer"><b>spridgets@autox.team.net</b></a>. Gmail will retry for 47 more hours. You'll be notified if the delivery fails permanently.</td></tr></tbody></table></td></tr></tbody></table></td></tr><tr style="border:none;width:328px"><td align="left" style="padding:48px 10px">The response from the remote server was:<br><p style="font-family:monospace">452 4.3.4 Message size exceeds fixed limit</p></td></tr></tbody></table></div><br><br><br>---------- Forwarded message ----------<br>From: Mark Haynes <<a href="mailto:220caribou@gmail.com" style="text-decoration-line:none;color:rgb(66,133,244)" rel="nofollow noreferrer" target="_blank">220caribou@gmail.com</a>><br>To: Spridgets List <<a href="mailto:spridgets@autox.team.net" style="text-decoration-line:none;color:rgb(66,133,244)" rel="nofollow noreferrer" target="_blank">spridgets@autox.team.net</a>><br>Cc: <br>Bcc: <br>Date: Sun, 6 Oct 2024 14:36:49 -0600<br>Subject: Re:A 948 quetion<br>----- Message truncated -----</div></div><div style="min-height:0px"></div></div><br></div>
</div></div>
</div>
</div></div></div></blockquote></div>
------------------------<br>
<br>
<a href="mailto:spridgets@autox.team.net" target="_blank">spridgets@autox.team.net</a><br>
<br>
Donate: <a href="http://www.team.net/donate.html" rel="noreferrer" target="_blank">http://www.team.net/donate.html</a><br>
Suggested annual donation: $12.75<br>
<br>
Archive: <a href="http://www.team.net/pipermail/spridgets" rel="noreferrer" target="_blank">http://www.team.net/pipermail/spridgets</a> <a href="http://autox.team.net/archive" rel="noreferrer" target="_blank">http://autox.team.net/archive</a><br>
<br>
Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/spridgets/healeyrik@gmail.com" rel="noreferrer" target="_blank">http://autox.team.net/mailman/options/spridgets/healeyrik@gmail.com</a><br>
</blockquote></div>