diff --git a/config/longrun_configs/longrun_aquaplanet_amip.yml b/config/longrun_configs/longrun_aquaplanet_amip.yml
index aef59ce6c8..9225b35bff 100644
--- a/config/longrun_configs/longrun_aquaplanet_amip.yml
+++ b/config/longrun_configs/longrun_aquaplanet_amip.yml
@@ -6,6 +6,7 @@ dz_top: 3000.0
 kappa_4: 1e16
 moist: "equil" 
 precip_model: "0M" 
+override_τ_precip: false
 rad: "allskywithclear" 
 idealized_insolation: false
 dt_rad: "1hours"
diff --git a/config/model_configs/diagnostic_edmfx_aquaplanet.yml b/config/model_configs/diagnostic_edmfx_aquaplanet.yml
index 57e41abb71..246f57f69a 100644
--- a/config/model_configs/diagnostic_edmfx_aquaplanet.yml
+++ b/config/model_configs/diagnostic_edmfx_aquaplanet.yml
@@ -1,5 +1,4 @@
 job_id: diagnostic_edmfx_aquaplanet
-vert_diff: "true" 
 surface_setup: DefaultExchangeCoefficients 
 rad: gray
 turbconv: diagnostic_edmfx 
@@ -12,7 +11,8 @@ edmfx_sgs_mass_flux: true
 edmfx_sgs_diffusive_flux: true
 moist: equil 
 precip_model: 0M
+override_τ_precip: false
 dt: 10secs 
 t_end: 1hours 
 dt_save_to_disk: 600secs
-toml: [toml/diagnostic_edmfx_box.toml]
+toml: [toml/diagnostic_edmfx_trmm_box.toml]
diff --git a/config/model_configs/prognostic_edmfx_aquaplanet.yml b/config/model_configs/prognostic_edmfx_aquaplanet.yml
index 88bbf1c49a..77029bf15a 100644
--- a/config/model_configs/prognostic_edmfx_aquaplanet.yml
+++ b/config/model_configs/prognostic_edmfx_aquaplanet.yml
@@ -1,5 +1,4 @@
 job_id: prognostic_edmfx_aquaplanet
-vert_diff: "true" 
 surface_setup: DefaultExchangeCoefficients 
 rad: gray
 turbconv: prognostic_edmfx 
diff --git a/perf/flame.jl b/perf/flame.jl
index 5cc4f2c5b6..72e626875c 100644
--- a/perf/flame.jl
+++ b/perf/flame.jl
@@ -63,13 +63,13 @@ allocs_limit["flame_perf_target"] = 4656
 allocs_limit["flame_perf_target_tracers"] = 204288
 allocs_limit["flame_perf_target_edmfx"] = 253440
 allocs_limit["flame_perf_diagnostics"] = 3016328
-allocs_limit["flame_perf_target_diagnostic_edmfx"] = 920960
+allocs_limit["flame_perf_target_diagnostic_edmfx"] = 893504
 allocs_limit["flame_sphere_baroclinic_wave_rhoe_equilmoist_expvdiff"] =
     67443909648
 allocs_limit["flame_perf_target_threaded"] = 5857808
 allocs_limit["flame_perf_target_callbacks"] = 46407936
 allocs_limit["flame_perf_gw"] = 4868951088
-allocs_limit["flame_perf_target_prognostic_edmfx_aquaplanet"] = 942928
+allocs_limit["flame_perf_target_prognostic_edmfx_aquaplanet"] = 898768
 
 if allocs < allocs_limit[job_id] * buffer
     @info "TODO: lower `allocs_limit[$job_id]` to: $(allocs)"
diff --git a/toml/longrun_aquaplanet_amip.toml b/toml/longrun_aquaplanet_amip.toml
index 933e241bce..747a3953c1 100644
--- a/toml/longrun_aquaplanet_amip.toml
+++ b/toml/longrun_aquaplanet_amip.toml
@@ -8,6 +8,11 @@ alias = "zd_rayleigh"
 value = 35000.0
 type = "float"
 
+[precipitation_timescale]
+alias = "τ_precip"
+value = 100
+type = "float"
+
 [entr_tau]
 alias = "entr_tau"
 value = 0.001