TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Regarding water pump..

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Old Dec 10, 2001 | 05:17 PM
  #1  
JeffC1500TBI's Avatar
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From: Ottawa, Ontario
Regarding water pump..

I spoke to the guy that's going to rebuild the engine and he told me to use the stock water pump with a 180 degree stat.. just so everyone knows I will be using edelbrock performer heads/cam & intake.


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'88 C1500 350 TBI
Belltech 2/4 Drop,
Nitro Drop Shocks,
3.73 Rear gear ratio,
Edelbrock performer TBI intake, performer cam, timing chain,
Hiflow cat with Rhino dual 2 1/2" out the rear. American Racing Neptune 16x8 wheels with Kumho 712's, 255-50 series
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Old Dec 10, 2001 | 05:47 PM
  #2  
NJ SPEEDER's Avatar
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From: Ewing, NJ
does this guy do performance rebuilds or is it a stock rebuild using the edelbrock stuff? a stock water pump is great, but if you are going for performance a lower temp t-stat and a higher pressure rad cap will allow for more timing lead, creating more power. also, the edelbrock cam is a flat tappet hydraulic, why woudl you give up the hydralic roller set up? rollers live longer, make more power from the same cam specs, and will idle smoother.

later
tim

later
tim

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Old Dec 10, 2001 | 09:58 PM
  #3  
JeffC1500TBI's Avatar
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From: Ottawa, Ontario
I already had the cam & intake on the engine.. from about 6 months ago.. btw the stock cam wasen't roller either.. and yes this guy has been building engines for modifieds for about the last 35 years now.. apparently he is very particular when building an engine.. btw what does the higher pressure rad cap do? doesn't that just allow the coolant to get to a higher temp before overflow?? I don't understand how that would be a benifit..

------------------
'88 C1500 350 TBI
Belltech 2/4 Drop,
Nitro Drop Shocks,
3.73 Rear gear ratio,
Edelbrock performer TBI intake, performer cam, timing chain,
Hiflow cat with Rhino dual 2 1/2" out the rear. American Racing Neptune 16x8 wheels with Kumho 712's, 255-50 series
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Old Dec 11, 2001 | 12:22 AM
  #4  
JPrevost's Avatar
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
<font face="Verdana, Arial" size="2">Originally posted by JeffC1500TBI:
I already had the cam & intake on the engine.. from about 6 months ago.. btw the stock cam wasen't roller either.. and yes this guy has been building engines for modifieds for about the last 35 years now.. apparently he is very particular when building an engine.. btw what does the higher pressure rad cap do? doesn't that just allow the coolant to get to a higher temp before overflow?? I don't understand how that would be a benifit..

</font>
Don't get a stock pump when the stewartcomponents.com pump is only $70!!!
Get the CCW long pump, it's at the bottom of the page. They come with better parts and with a name you can trust. OEM pumps are good but when you can get something better for less...
The higher pressure rad cap keeps the coolant in the radiator longer while the pump is still spinning. This means the water will make better contact with the inside of the radiator surfaces and will transfer more heat. A performance cap should be in the range of 20-22psi. I'm running a Stant 18psi with a stewart stage 2 pump and 180 thermo with no problems.


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