Thanks for all the info on my F1 head and my early engine case. I assumed that the factory 4 into 4 exhaust would not fit this later setup. If this is not the case, then perhaps I'll keep them given what good shape both the head and barrels are. Thanks again, Brian Hoover 1973K3, 1969KO, 750's
----- Original Message ----- From: "Rene CM van Maanen" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: "sohc4" <[EMAIL PROTECTED]> Sent: Saturday, November 29, 2003 9:39 AM Subject: RE: 750 Head Trade Anyone? > Brian, > > A few hints, but definetely not complete > > * The earlier heads (like you *should* have) has only 4 valveseals, on the > inlet valves only. > * 1975/76 heads would have a clear 392 stamped on the top, outside. > * F2 heads would have bigger valves, clearly identifyable. > * K7 heads would have a larger combutionchamber cutout in the head. This is > to compensate the small dome on the pistons of the K7, which improved > (lowered) compression (compared to an F1, which also carried the domed > piston). > > * IMHO all other heads are the same....... > > You're next...:-))))) > > ____________________________________________ > Ren� van Maanen > HONDA SOHC/4 Specialist > CB350F CB400F CB500F CB550 CB750 > Reparatie, Restauratie, Onderhoud en Onderdelen > Apeldoorn, Netherlands > Mob: +31 (0)6 1484 6559 > Email: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > > > Website> honda4.nl <http://www.honda4.nl> > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Brian Hoover > Sent: zaterdag 29 november 2003 16:39 > To: Multiple recipients of list > Subject: 750 Head Trade Anyone? > > > Is there any identification numbers anywhere on a given head to determine > what engine it came off of? > > I have an early engine #1010918 that I pulled out of a 1975 F1 frame. The > engine was stuck. When I removed the head I found a little 6mm cam holder > nut stuck in an exhaust valve. I'll guess that this was the reason for the > freeze. I assume the head is from an F1 because it had the factory F style > 4 into 1 exhaust . The exhaust flanges are different the earlier K models > and won't except a factory 4 into 4 setup, right? > > I'd like to rebuild this engine one day and use it as a back-up engine for > my 1969KO that I'm restoring. > If anyone knows how to distinguish between head types, I would love to > trade this perfectly good F1 head for a comparable one to fit my early > engine. I can send pics. > > Thanks, > > Brian Hoover > Cedar City, Utah > 1973K3, 1969KO, 750's > >
