I'm thinking of getting an open element but I'm worried about not have a thermac device...whats it do exactly and do I really need it?

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1988 Sport Coupe 305 TBI
K&N
Flowmaster exhaust


Daily driver:
1988 K1500 5.7 4x4 shortbed flowmaster cat-back gutted cat.
AOL: RyanNH84

 

oh and well I notice a power gain?

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1988 Sport Coupe 305 TBI
K&N
Flowmaster exhaust


Daily driver:
1988 K1500 5.7 4x4 shortbed flowmaster cat-back gutted cat.
AOL: RyanNH84

 

The thermac is a vacume powered valve in the air snorkel, in the winter it partially closes the inlet and lets warmer air in via. the foil tube over the left exhaust manifold. You can cut it out or go to open element just make sure you cap the vacume port on the throttle body.

 

my car isn't driven in the winter..so I really wouldn't need it no?. ..what do I plug the manifold with after I get the open element? ?

 

The thermac is used all year round to heat the engine so that it will go into closed loop sooner.

Plug the hole using a screw or vacuum plug in the vacuum line. If you don't your car will surge and sound funny...

Good luck, Mike

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1989 RS.. 355, Hypereutectic pistons, double roller cam, double roller timing chain, accel wires, blue streak cap and rotor, rapidfire plugs, chevy caprice 350 chip, 200* fan switch, 3 angle valve job, 3 inch cat-back exhaust, 3 core radiator, 3.73 gearing with POSI.

 

its not needed.
but no worthwhile gains will be noticed.

 

so is it worth doing it ?

 

YES!!!!
can be done in no time and you feel a big power difference. Cheapest HP hands down.



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1990 RS 305 TBI T-5
.5" turbocity spacer
Edelbrock TBI intake
180* stat
Summit 14X3 OpenElement W/k&N
Hooker 3" Areochamber
MSD - Wires, Cap, Rotor, Coil
Bosch Platinum +4 plugs
Metallic Red w/28,000 Pampered miles
(Still have the original wiper blades)

 

So if I do this my car will take longer to get into "closed loop" ?? what is closed loop?

 

Closed loop is where the computer begins to take information from all of the sensors in the vehicle. Without being in closed loop the emmissions and some say performance, will be thrown off.

Later,
Mike

 

so its worth it? I see alot of ppl saying they have one in there sig..so it must be good if every1 is getting one no?

 

I agree with Shifty.Get the open element and install it.It was the biggest bang for the buck so far.Cost me $30 for mine.

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92RS LO3 700R4
open air element
ultimate TBI mods
LT1 cam
Edelbrock TBI performer manifold
180 thermostat
Hooker headers
3"cat back
Zexel Torsen posi with 3.42 gears

 

i told you didn't i?! but nooo. you didn't want to hear it. J/K :-)

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'88 CAMARO 305
OPEN AIR ELEMENT
FLOWMASTER CAT BACK EXHAUST

COMPUTER CHIP
HYPERTECH 160* THERMO.

 

I have a thick head need to be told things a few times before I do them