Making some progress on the ol' Flat deck
#21
Thread Starter
Registered

Joined: Jun 2009
Posts: 9,946
Likes: 6,420
From: Chicago
Data logs show around 2 psi at 4900rpm .. that`s crazy! with the same pulleys last set up was 4-5psi
Either the 6`s make the boat more efficient or the new heads and intake flow very well, probably a combination of both .
Tune had a zeroed out cell in the fuel table so that`s my back fire and the tab lines were reversed . Can`t wait to get it out again !
Either the 6`s make the boat more efficient or the new heads and intake flow very well, probably a combination of both .
Tune had a zeroed out cell in the fuel table so that`s my back fire and the tab lines were reversed . Can`t wait to get it out again !
#24
VIP Member

Joined: Jun 2021
Posts: 3,461
Likes: 2,090
From: SW Ohio
Data logs show around 2 psi at 4900rpm .. that`s crazy! with the same pulleys last set up was 4-5psi
Either the 6`s make the boat more efficient or the new heads and intake flow very well, probably a combination of both .
Tune had a zeroed out cell in the fuel table so that`s my back fire and the tab lines were reversed . Can`t wait to get it out again !
Either the 6`s make the boat more efficient or the new heads and intake flow very well, probably a combination of both .
Tune had a zeroed out cell in the fuel table so that`s my back fire and the tab lines were reversed . Can`t wait to get it out again !
Time for smaller pulleys up top.
Thanks. Brad.
#28
Thread Starter
Registered

Joined: Jun 2009
Posts: 9,946
Likes: 6,420
From: Chicago
#29
Registered


Joined: Aug 2019
Posts: 1,201
Likes: 411
From: BC
4-5 psi to 2 psi @ 4900 is a nice milestone.
Real data feedback in the right direction, always good to see.
Heads likely flowing better...and less throttle required @4900 with the drive/prop changes.
What paint did you use on the blowers?
Real data feedback in the right direction, always good to see.
Heads likely flowing better...and less throttle required @4900 with the drive/prop changes.
What paint did you use on the blowers?






