Modifying an intake, tall deck to short deck
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Modifying an intake, tall deck to short deck
Can an intake from a 11.2 deck be made to fit a short deck 10.3? What would be involved?
adrenaline269- Posts : 35
Join date : 2009-11-20
Age : 52
Location : Plamondon Alberta
Re: Modifying an intake, tall deck to short deck
Thats a little much to cut IMO, the other way around involves using some spacers
dfree383- BBF CONTRIBUTOR
- Posts : 14846
Join date : 2009-07-09
Location : Home Wif Da Wife.....
Re: Modifying an intake, tall deck to short deck
I agree it is a little much for cutting to fit a 10.3 block....
Randy
Randy
the Coug- Posts : 3055
Join date : 2008-12-02
Re: Modifying an intake, tall deck to short deck
As the other guys are telling you, if you took that much off the flanges, it's too much and your runner roof will be way higher than you port roof.
Another option would be to split it down the center, from front to rear. Your manifold bottom becomes narrower, so you will have to deal with that issue. Next, you could probably line up on the ports with your runners, however your plenum will become much narrower, along with your carb pad being narrower.
Sop, at the end of the day, it may be best to just sell it and start with a clean sheet of paper.
I am assuming that it is a sheet metal tunnel ram style of manifold,,,,what heads was it being used on???
Uncle Charlie
Another option would be to split it down the center, from front to rear. Your manifold bottom becomes narrower, so you will have to deal with that issue. Next, you could probably line up on the ports with your runners, however your plenum will become much narrower, along with your carb pad being narrower.
Sop, at the end of the day, it may be best to just sell it and start with a clean sheet of paper.
I am assuming that it is a sheet metal tunnel ram style of manifold,,,,what heads was it being used on???
Uncle Charlie
c.evans- BBF VENDOR SPONSOR
- Posts : 2260
Join date : 2008-12-03
Re: Modifying an intake, tall deck to short deck
is this a sheetmetal intake, if so the above is the only way,cut it down the middle, it works, i did it 3 years ago, and i just cut it again to go back to a 11.2,lol lot of work
BOSS 429- Posts : 2371
Join date : 2009-08-10
Location : Ill
Re: Modifying an intake, tall deck to short deck
Yes it is a sheet intake with cnc runners with fuel injector bungs. Plan in to cut the intake tube off the back and weld it shut, then machine and instal 2 carb pads on top plate to mount 2 2000cfm throttle bodies. It is for a set of c-460 heads. The motor the heads and intake are off of was a 632 so I asume it was a 11.2 deck block, I am waiting for the shop to get back to me on exactly what it was
adrenaline269- Posts : 35
Join date : 2009-11-20
Age : 52
Location : Plamondon Alberta
Re: Modifying an intake, tall deck to short deck
Alot of 632's are10.3 deck motors
dfree383- BBF CONTRIBUTOR
- Posts : 14846
Join date : 2009-07-09
Location : Home Wif Da Wife.....
Re: Modifying an intake, tall deck to short deck
you may wish to check the runners, on most of the injection intake the runner are strait, not so good on an engine you intend to carb, the runners should have a slight taper down to the ports..... sometimes what works on one won't on another........
Randy
Randy
the Coug- Posts : 3055
Join date : 2008-12-02
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