thermastat hole id?
11-10-2005, 05:56 PM
#1
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thermostat hole id?
hey guys im running a little too cool and am not running thermostats as i have crosovers. i wnt to bump my engine temps and am going to make 2 round plates to restrict water flow out of the thermostat hsg. what size hole should i start with. im running 130* wfo and wnat 150 to 160* wfo. any body ever do this on a boat? a friend of mine did this type of set up on a sbc in a chevelle and it worked well in his car. moroso sold a kit in alum, i want to make them out of ss. what is the od of a bbc thermostat? thx for any input. ratman
Last edited by ratman; 11-10-2005 at 09:04 PM. Reason: can't spell for chit
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11-10-2005, 06:06 PM
#3
Ginger or Mary Ann?
Charter Member
Re: thermastat hole id?
The kits come in 5/8, 3/4 and 1" ID holes. The 5/8" still gave me to much WP, 1" not enough. 3/4" resulted in perfect pressure and somewhat acceptable temp. No idea on the OD
11-10-2005, 09:31 PM
#7
Ginger or Mary Ann?
Charter Member
Re: thermastat hole id?
Mine where AL. You can buy them in a 3 pack from Summit and Jegs for only a couple bucks. Didn't run the 5/8 long enough to get a temp reading do to higher than desired WP. With the 3/4", WP was 18psi at WOT, temps right at 120* during the summer months. This was on my blower motor. Never could get higher water temp.
Summit: Water outlet restrictors,
Alum $7 pt #MOR-63440
SS $10. pt# CSI-900RP
(Couldn't get a direct link to work)
Summit: Water outlet restrictors,
Alum $7 pt #MOR-63440
SS $10. pt# CSI-900RP
(Couldn't get a direct link to work)
Last edited by US1 Fountain; 11-10-2005 at 09:37 PM.
