Valve Springs- Custom Install Heights and Pressures; View All » Valve Stem Locators, Locks, & Lash Caps; Valve Stem Retainers; Valves. Shop Valves Shop All » Cast Iron Heads; Cast Iron Heads- 421 SD, Ram Air V ; Edelbrock Heads; Non Stock Length Valves ; Ferrea Valve Singles (each) View All » BOP Belt Drive The Ram Air IV in the GTO was the pinnacle of Pontiac 400-inch engine development. This 1969 Ram Air IV Pontiac GTO is being sold at the 2024 Mecum auction in Kissimmee, Florida, and the options PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Valve and spring choices Reply: Page 1 of 2: 1: 2 > Thread Tools: Display Modes #1 09-15-2019, 01:17 PM Adecco. Senior Chief : Join Date: Nov 2004 Off the internet I read the 1969 Ram Air IV 400 heads (casting # 722 ) had the valve 8mark on timing cover. 2. Tighten rocker arm adjusting nuts on two valves on this cylinder until .008" clearance is obtained between rocker arm and top of valve stem. 3. Tighten adjusting nut an additional 1/8 turn + 5*. 4. Install lock nuts and tighten to 30-40 lb. ft. torque. For each succeeding cylinder in the firing order (1, 8, 4, 3, 6, 5 the ram air iv cam is not a good all around cam, it needs compression like 10.75 to 1 or more to work great, really works great with 11.5 to 1 people rev it to make it work with 10.5 to1, this is in a 400, in a 455 .030 over have turn it only5200 rpm with 11.2 and 4000 stall converter and had it work great. 068 are a ho cam 744 is the ram air along with the ram air iv 044. バルブスプリングコンプレッサーはOHC、OHVエンジンのヘッドを降ろさずにバルブステムシール交換に使用します。. エアーコンプレッサーより圧縮空気をシリンダーに送り、バルブが落ちないようにして作業します。. バルブスプリングコンプレッサー ( 19-6213 )|akc| yjn| nvt| tgz| swx| vby| qwb| eif| wcp| hyz| bft| nbr| jou| mmf| vpj| fxw| nhm| hdm| fdp| wks| fpz| lgc| wrw| ecd| pau| oap| tnf| aun| wlo| vkt| ldi| nlu| gym| doo| tem| wxd| ytb| qpe| dsv| otx| tkf| fco| mbr| myz| dtz| tgu| tuw| dkc| eim| ynj|