2010年11月15日 · Heads and cam are what really make the 305 wake up. Cheapest is to find is c4 corvette 113 heads, they're aluminum 56 cc chambers and have 1.94 intake or exhaust …

2011年8月14日 · How much better are 059 vortec heads over stock MCSS HO 305 heads? There is a guy selling a old 1996 L30 (305) vortec motor for $100 that needs rebuilding. I am thinking …

2011年2月16日 · The L69 & L30 heads, induction, & accessories factor the rest of the power equation. If you compare the exhaust on an L69 F-Body to a L30 C/K truck.. very similar …

2016年8月6日 · A lot depends on how the centrifugal advance and the vacuum are set up. Here is a good read I found a while back TIMING AND VACUUM ADVANCE 101 The most important …

2008年8月12日 · The L69 had bigger valves, higher compression, and a 350 cam in it to make the extra power. The L69 also had the larger oval inlet cat and free-er flowing exhaust. In addition, …

2009年8月11日 · Finally got my Camaro dual snorkel set-up installed on my 87. Can definitely feel a seat of the pants difference over the single stock air cleaner. Still need to make a …

2013年3月17日 · I just found out today that the HEI that comes factory installed on the year 1986 Chevrolet Monte Carlo SS is a special unit with computer controlled module. After browsing …

2022年10月4日 · Dual snorkel airclraners add 10 hp to an otherwise stock L69. Its why the L69 equipped Camaros are rated 190HP over a stock MCSS 180 rating. Those Screencaps take …

2015年4月24日 · 1986 SS El Camino MODIFICATIONS: Short throw dipstick, Lambo doors, swiss-cheesed the frame, stick-on vents, Black Ice® Little Tree, lightweight muffler bearings, …

2011年8月14日 · Likely a LG4, the L69 was a Monte Carlo SS engine unless somewhere in it's life a swap was done. Years back I had used Elgin brand cams and lifters in my 86 El Camino …