speedmaster 96mm intake manifold swap thread
#41
It's flat on the bottom, the block offs are flush with the bottom of the LS3 valley cover as well so it shouldnt be an issue at all, the regular gasket is used and it matches. Not sure which spacers i bought, 244-146025-KIT is the PN.
#42
You ordered the bottom side spacers but as long as the bottom of the valley cover comes with tower block offs you'll be fine
#44
#46
So got to test fit the manifold tonight, got a few challenges to overcome but for the most part its a solid fit. One of the runners in the rear just barely bumps the power steering pump outlet. So ill either have to grind down the manifold a little bit ore figure out a way to move that port. Another issue which is a major one is the ICT billet valley tray, looks like its no dice, not sure why as they claim it was designed for a Gen IV but it does not have the orings to block off the oil ports for DOD, which means, no oil pressure. Which is what i encountered. Thankfully i was checking for this from the get go and was able to monitor it as it started up at 10psi and dropped to almost nothing.
#48
well, essentially the issue is the gasket. On the LS3 valley tray the gasket is just around the rim of the valley tray, and in the center where those ports are, there are o rings there to block them off, the ICT billet tray doesnt have any provisions for those orings, so it shoots out past rather then just being blocked off. I either have to find a gasket that includes those orings, or modify the LS3 valley tray to take that OPSU adapter.
#50
If you check my g8 dod valley cover tray thread you can get the size for the opsu thread, and just get a male to female 45 degree fitting to clear the bracket. I would not notch that. just pick up a brass fitting and be done with that. I'd just grind the manifold a little to see. Good thing is it's metal so you can always weld it and refinish it if you mess up
#51
If you check my g8 dod valley cover tray thread you can get the size for the opsu thread, and just get a male to female 45 degree fitting to clear the bracket. I would not notch that. just pick up a brass fitting and be done with that. I'd just grind the manifold a little to see. Good thing is it's metal so you can always weld it and refinish it if you mess up
#53
Well no sorry I was referring to your opsu sensor hitting the engine mount bracket and instead using a brass adapter to give the angle you need to clear it. Your cammed now anyway so no oil needs to go by the opsu.the ports in the block up there most people tap off or thevalleycoversusually have seals to block the ports
#54
Well no sorry I was referring to your opsu sensor hitting the engine mount bracket and instead using a brass adapter to give the angle you need to clear it. Your cammed now anyway so no oil needs to go by the opsu.the ports in the block up there most people tap off or thevalleycoversusually have seals to block the ports
#55
speedmaster 96mm intake manifold swap thread
Originally Posted by spawne32
So got to test fit the manifold tonight, got a few challenges to overcome but for the most part its a solid fit. One of the runners in the rear just barely bumps the power steering pump outlet. So ill either have to grind down the manifold a little bit ore figure out a way to move that port. Another issue which is a major one is the ICT billet valley tray, looks like its no dice, not sure why as they claim it was designed for a Gen IV but it does not have the orings to block off the oil ports for DOD, which means, no oil pressure. Which is what i encountered. Thankfully i was checking for this from the get go and was able to monitor it as it started up at 10psi and dropped to almost nothing.
#57
nah thats only gonna work on the outer edge, we need to have those center oil ports gasketed off, the bottom of the LS3 valley tray has them built in. I posted the PN for the correct gasket. Alot of trial and error. lol
#58
Ty spawne and it only came polished on outside lol u were right ok I'm gonna get that gasket and that katech mount and 45 degree fitting for opsu and waiting to see about fuel rails u hope ours fits thanks for all your help and headway I would have never tried this without guidance lol 91 gets a shoutout too
#59
Ty spawne and it only came polished on outside lol u were right ok I'm gonna get that gasket and that katech mount and 45 degree fitting for opsu and waiting to see about fuel rails u hope ours fits thanks for all your help and headway I would have never tried this without guidance lol 91 gets a shoutout too
#60
haven't heard from u in awhile spawne,are the rails gonna work?im getting mine polished now my buddy is showing me and he takes over if he thinks I'm not going well he wants to gasket match so got gaskets that u said with nitirile ring?hope everything is going well