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speedmaster 96mm intake manifold swap thread

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Old 02-26-2016, 11:17 AM
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Originally Posted by blkchevyz
make any progress on this?
Yeh been working on it off and on for the past 2 months, almost done with the port work, finished mocking up the MAP sensor port and now i just need to fit it for a gasket. Only thing i have left after that is to order the two gaskets I need and the throttle body and start test fitting again. Hoping to have it installed next month, weather has been goofy so I get some warm days and then it goes freezing cold again.
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Old 02-26-2016, 07:53 PM
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came out pretty decent i think, probably gonna order a different style gasket but should seal well. First pic is without the recessed hole so it squeezes the gasket.



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Old 02-27-2016, 08:25 AM
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Guy like you is probably going to want to give that port a quick polish
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Old 02-27-2016, 10:46 AM
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already did, that pic there its just dirty, havent had a chance to clean it out yet.
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Old 02-27-2016, 10:49 AM
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Looks damn good, factory good!
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Old 02-27-2016, 03:58 PM
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as long as it seals good, there wasnt enough material there to make a port the same style that ours uses, and to make a oring style that just presses up against the map sensor base requires it to hang out a little bit off the side. Not to mention barely any thread there to hold it in, gotta find the right bolt so it isnt hanging half way into the runner.
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Old 02-27-2016, 04:11 PM
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Nice,working on mine too
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Old 02-27-2016, 04:27 PM
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Originally Posted by superglide9375
Nice,working on mine too
have you tried mounting the OEM fuel rail with the FAST injector spacers? I havent had time to take mine apart yet.
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Old 02-27-2016, 05:29 PM
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Don't know if we need spacers as rails don't have center piece but we mocked up both ways I still got to get the fuel line that connects two rails I though it would come with rails
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Old 02-27-2016, 05:31 PM
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Oh oem no I'll do that I got old mani over there
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Old 02-27-2016, 05:36 PM
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Ok my man gonna try it now I'm at work so he is gonna call me
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Old 02-27-2016, 06:01 PM
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The kit that came with the rails was more expensive, and wasnt worth the money, didnt trust those made in china rails honestly. If i do have to do the aftermarket rails over the OEM one, it will be a HOLLEY set with the crossover hose. I would like to use the factory rail though for convenience of line placement. I have the FAST spacers I just havent test fit it to see if it props the rail up enough to clear the taller runners.
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Old 02-27-2016, 06:21 PM
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Ok and I got the Holley ones and t didn't come with crossover line
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Old 02-28-2016, 10:44 AM
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Don't the FAST injector spacers snap in below the injector? They're not top hat spacers correct?
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Old 02-28-2016, 12:16 PM
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Originally Posted by lVloses
Don't the FAST injector spacers snap in below the injector? They're not top hat spacers correct?
yes, and initially i was totally against that, for obvious reasons of altering the spray pattern, but after testing the injectors a couple weeks ago with the hats, not even remotely worried about it.
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Old 02-28-2016, 01:38 PM
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Originally Posted by spawne32
yes, and initially i was totally against that, for obvious reasons of altering the spray pattern, but after testing the injectors a couple weeks ago with the hats, not even remotely worried about it.
Yeah I stayed away from them for that reason. Picked up some from FIC that are top hats for like $50 and I'm quite pleased with them.
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Old 02-28-2016, 01:46 PM
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Originally Posted by lVloses
Yeah I stayed away from them for that reason. Picked up some from FIC that are top hats for like $50 and I'm quite pleased with them.
yeh i thought it was gonna be a problem but the spray pattern on our injectors is a 10-15* arc and the fast spacers seem to be built with that in mind. It actually helps the fuel spray at a wider pattern in the cylinder by lifting it slightly out of the port.
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Old 03-05-2016, 04:11 PM
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one step closer today






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Old 03-05-2016, 05:05 PM
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Plan on doing anything with the injectors like flow testing? Cant really tell, is that the gold blade?
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Old 03-05-2016, 06:00 PM
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Originally Posted by rottonj
Plan on doing anything with the injectors like flow testing? Cant really tell, is that the gold blade?
yes, it is the LS3 gold blade, and no, i tested the spray pattern of all my injectors a few weeks ago to make sure they were clean and spraying nicely, saw no issues that warrnted having them all sent out.
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