problems with starting , ok here it is put the b20 my son bought for me for xmas in the 544 , after a number of stebacks mostly trying to find missing parts , now have dual su's mallory dual point distirbutor the motor is a 74 was overhauled for a guy who had it as a back up motor for his 1800 he ran at limerock , the problem is it was stored for 4 years motor turns over and fires has compression of 180 , 180 , 60 , 180 i know this isnt right but it should start i dont have any draw on the 3 and 4 cylinder if i pull the manifld #4 is drawing as good as 1 and 2 3 is definatly less , put the manifold back on nothing cant find a leak unless manifold is cracked but cant find anyhting wrong any ideas ?? looks like pulling the head is the next step i didnt want to do