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As an aside, I’ve not been a fan of hood vents after I saw a TVR coolant hose or radiator blow as the vehicle was passing me. With hood vents letting the steam out I reckon he would have been completely blind.
You know what else blinds you when driving... This...
Wow Dave.... Looks like you could use some of those pusher intakes and heated hood vents to keep your wind shield clear of ice.
Originally Posted by Euroman
Good point 👍
That was the last storm in the new Chevy Tahoe, finally a patrol car with a V8. The radar unit is mounted on a plate designed for the dash. While the defrost vents being wide open, on the plate there's slots over them. As you can see and I found out, it prohibits the defroster from keeping the windshield clear on the driver's side. That was a main road in town and I was going 10 mph because I had to drive leaned towards the center to see out and could not see anything. The Chief, who's also friends with my buddy who owns a collision shop in town, gave the okay for his worker to remove the plate and cut out the slots. Yeah, some underhood heat would have been good... I wacked a curb on a different road because it's hard to keep it straight when there's nothing to reference from like trees or poles... luckily no damage and that's why police cars come with steel wheels. And keeping those wipers clear of ice is a beyotch... ask any cold weather driver here.... what a PITA.
it worked . No more MAP, MAF, EGR codes. Switching to a cold side that has the IAT first, solved these codes. No more IAT getting wet from nozzle spray.
Pusher is inconsistent about where they place their npt ports.
some picks show same side of IAT, some show opposite side of IAT.
i paid the extra charge for 4 npt ports to ensure that I would get at least 2 on the same side of IAT.
if I would have revived npt on opposite side of IAT, would have had the same wetting of IAT problem.
AND
if we say the location of the IAT in your photo is 3:00 position, putting 2 ports at 9:00 position is useless since water hose is in the way….maybe a 90 degree adapter would allow a sensor or something to be used on the 9:00 position side. 12:00 would be a problem with hood. 6:00 would be fine. So I got 2 at 3 and 2 at 9. Would have been nice to have 2 at 3 and 2 at 6.
live and learn.
if you ever go methonal, get the snow kit…plug and play…I would say AEM is less expensive…but pretty much manual system. Driving a lot of local set at 5 or 7, driving on highway set at 10, driving on interstate set to 12….oops it’s going to rain hard…set my settings to a higher number.
snow has egt sensors and one you pick your goal ( mpg or power), the snow computer does the rest. If it rains hard the snow computer will get lower egt readings and reduce the injection spray..if it is a hot dry day the snow sensor will get high egt’s and increase the spray.
for AEM, you have to decide and rotate a dial if your going into extreme situations
i paid 500 bucks for my AEM kit .
snow is a little over double that.
also, there are diesel kits and there are gas kits. Makes a difference.
Pusher is inconsistent about where they place their npt ports.
some picks show same side of IAT, some show opposite side of IAT.
i paid the extra charge for 4 npt ports to ensure that I would get at least 2 on the same side of IAT.
if I would have revived npt on opposite side of IAT, would have had the same wetting of IAT problem.
AND
if we say the location of the IAT in your photo is 3:00 position, putting 2 ports at 9:00 position is useless since water hose is in the way….maybe a 90 degree adapter would allow a sensor or something to be used on the 9:00 position side. 12:00 would be a problem with hood. 6:00 would be fine. So I got 2 at 3 and 2 at 9. Would have been nice to have 2 at 3 and 2 at 6.
live and learn.
if you ever go methonal, get the snow kit…plug and play…I would say AEM is less expensive…but pretty much manual system. Driving a lot of local set at 5 or 7, driving on highway set at 10, driving on interstate set to 12….oops it’s going to rain hard…set my settings to a higher number.
snow has egt sensors and one you pick your goal ( mpg or power), the snow computer does the rest. If it rains hard the snow computer will get lower egt readings and reduce the injection spray..if it is a hot dry day the snow sensor will get high egt’s and increase the spray.
for AEM, you have to decide and rotate a dial if your going into extreme situations
i paid 500 bucks for my AEM kit .
snow is a little over double that.
also, there are diesel kits and there are gas kits. Makes a difference.
I appreciate your input and advice on this stuff... thanks for the heads upon the positioning on the NPT ports.
Yep, the Snow Performance Stage 3 was the kit I was initially thinking a few years back when I was looking at them... you install a EGT sensor in the EGR feed exhaust tube... it says 50 state legal but I think if I went with it, I would maybe have it tuned by a shop with a dynamometer. Not the cheapest but I like that the controller has two modes; MPG for daily driving and TOW mode. But that's way down the road though... I want to do other stuff first..
That was the last storm in the new Chevy Tahoe, finally a patrol car with a V8. The radar unit is mounted on a plate designed for the dash. While the defrost vents being wide open, on the plate there's slots over them. As you can see and I found out, it prohibits the defroster from keeping the windshield clear on the driver's side. That was a main road in town and I was going 10 mph because I had to drive leaned towards the center to see out and could not see anything. The Chief, who's also friends with my buddy who owns a collision shop in town, gave the okay for his worker to remove the plate and cut out the slots. Yeah, some underhood heat would have been good... I wacked a curb on a different road because it's hard to keep it straight when there's nothing to reference from like trees or poles... luckily no damage and that's why police cars come with steel wheels. And keeping those wipers clear of ice is a beyotch... ask any cold weather driver here.... what a PITA.
Maybe it's just a GM thing? When driving in a blizzard like that in my old Silverado HD I couldn't keep the windshield clear either. And I didn't have any tax collection hardware mounted on the dash either
Maybe it's just a GM thing? When driving in a blizzard like that in my old Silverado HD I couldn't keep the windshield clear either. And I didn't have any tax collection hardware mounted on the dash either
Dunno... the Chief has a Police Tahoe also and apparently wasn't so good in his... he doesn't even have the plate/tax collection equipment in it...
Been on 29 years now. When I was still a patrolman, my partner and I would make traffic stops/write summonses in the high crime/drug areas to go fishing in the vehicle to make drug arrests. When I went to the academy, radar was not part of the curriculum. I never got radar certified. I've been a supervisor a lot longer than I was a patrolman, about 2/3 longer... yeah, maybe it is a GM thing.
And keeping those wipers clear of ice is a beyotch... ask any cold weather driver here.... what a PITA.
