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cam for twin gt45s

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Old Oct 23, 2013 | 07:33 PM
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Default cam for twin gt45s

building a pro street c10 stock 5.3 with 2 gt45 turbos

specs

T4 GT45 Turbocharger
Universal Fits all cars and trucks
4" Inlet Diameter
3 1/2" V-Band Outlet
Wet Float Bearing
T4 Flange
Oil Cooling Inlet: M10*1.5 outlet: 2 M8
Max Power: 650hp
Compressor Wheel
0.70 A/R Cold Side
Ind: 51.99 mm
Exd: 81.74 mm
Trim: 40
Turbiner Wheel
3 1/2" V-Band 0.68 A/R Hot Side
Ind: 73.42 mm
Exd: 57.97 mm
35 PSI Peak Power Performance Output
CNC Machined Flanges
Turbo Comes With Its Own Serial Number


any ideas on a cam for these twins? was thinking matbe a ls6 or triple 12 cam.
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Old Oct 23, 2013 | 07:40 PM
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Post a link of them turbos. If they are the 69/78 version I wouldn't even bother with a factory
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Old Oct 23, 2013 | 09:01 PM
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52mm turbos? I thought the ebay gt45 was a 69mm turbo with a 1.05a/r t4 housing
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Old Oct 23, 2013 | 09:19 PM
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Originally Posted by turbocamaro125
52mm turbos? I thought the ebay gt45 was a 69mm turbo with a 1.05a/r t4 housing
74mm
not eBay turbo.
speedyracer.com
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Old Oct 23, 2013 | 09:34 PM
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Compressor Wheel
0.70 A/R Cold Side
Ind: 51.99 mm
Exd: 81.74 mm
Trim: 40

This the compressor wheel specs?

Turbiner Wheel
3 1/2" V-Band 0.68 A/R Hot Side
Ind: 73.42 mm
Exd: 57.97 mm

and that the exhaust specs?
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Old Oct 23, 2013 | 09:38 PM
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Originally Posted by T76s10
Post a link of them turbos. If they are the 69/78 version I wouldn't even bother with a factory
http://www.speedyracer.com/turbo/tur...0hp-68-AR-GT45
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Old Oct 23, 2013 | 09:38 PM
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denmah used a gt35 ebay turbo in twin setup and was too small. IMO this turbos are to small. Not sure on the power your looking to make tho.



Denmah made like 500whp and 820tq and like 15psi on the white 2500LD
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Old Oct 23, 2013 | 09:45 PM
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Originally Posted by turbocamaro125
Compressor Wheel
0.70 A/R Cold Side
Ind: 51.99 mm
Exd: 81.74 mm
Trim: 40

This the compressor wheel specs?

Turbiner Wheel
3 1/2" V-Band 0.68 A/R Hot Side
Ind: 73.42 mm
Exd: 57.97 mm

and that the exhaust specs?
i think so.. IM kinda of a turbo dummy!!lol. Posted a link to the web site
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Old Oct 23, 2013 | 09:47 PM
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yes i searched it before you sent the link....live and you learn. those are 52mm turbos. if you want to pull stumps those turbos will work good....lol
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Old Oct 23, 2013 | 09:49 PM
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GT45 Turbocharger:
T4 Exhaust Flange, 4" V-Band Outlet, 4 3/16" Inlet
Supports 650+ HP
Compressor Wheel Trim: 50
Compressor A/R: 0.66
Turbine Wheel Trim: 77
Turbine A/R: 1.05
Compressor Wheel Inducer: 68.9mm
Compressor Wheel Exducer: 98mm
Turbine Wheel Inducer: 88mm
Turbine Wheel Exducer: 77.4mm


ebay gt45 specs. If you building a max effort build then the ebay gt45 will be what you need a twin setup. And a 3-12 cam would do a hell of alot better the any stock cam.
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Old Oct 23, 2013 | 09:52 PM
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Originally Posted by turbocamaro125
Compressor Wheel
0.70 A/R Cold Side
Ind: 51.99 mm
Exd: 81.74 mm
Trim: 40

This the compressor wheel specs?

Turbiner Wheel
3 1/2" V-Band 0.68 A/R Hot Side
Ind: 73.42 mm
Exd: 57.97 mm

and that the exhaust specs?
I think so.. Im kinda of a turbo dummy,lol!!! i posted a link to the web site.. Is it not a good turbo?
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Old Oct 23, 2013 | 09:54 PM
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What kinda power you trying to make?
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Old Oct 23, 2013 | 10:09 PM
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I had the same turbos denmah used. I ran like 20 degrees timing and was over boosting in the 25-30psi range and running lean. It honestly felt like a big block. It's instant power it's rediculous. Those were 61mm comp and 62mm turbine. For your 5.3 the cx racing gt35's will work out good. I wouldn't get those gt45's you posted. It honestly depends on the power you want to make and what you want to do with the truck. If I were you I would get the on3 70mm turbos in .68 ar and get cam and converter made for you so spool doesn't suck.
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Old Oct 23, 2013 | 10:16 PM
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6-650 max
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Old Oct 23, 2013 | 10:28 PM
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Originally Posted by turbocamaro125
What kinda power you trying to make?
6-650 max can I get that? Gonna be running twins with intercooler
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Old Oct 23, 2013 | 10:38 PM
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Those cx racing gt35's will work out good for you then. Just keep stock cam or ls6, ls9 it don't matter it will spool fast either way
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Old Oct 23, 2013 | 11:17 PM
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Originally Posted by turbocamaro125
denmah used a gt35 ebay turbo in twin setup and was too small. IMO this turbos are to small. Not sure on the power your looking to make tho.



Denmah made like 500whp and 820tq and like 15psi on the white 2500LD
This information is misleading. I made twice the power on the same boost, same turbos and same engine. There were other issues with his setup.
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Old Oct 24, 2013 | 05:48 AM
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Originally Posted by smokeshow
This information is misleading. I made twice the power on the same boost, same turbos and same engine. There were other issues with his setup.
What cam did you run?
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Old Oct 24, 2013 | 05:49 AM
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Originally Posted by smokeshow
This information is misleading. I made twice the power on the same boost, same turbos and same engine. There were other issues with his setup.
Yea he had a big tick cam and ran the turbos to hard on the 6.0
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Old Oct 24, 2013 | 09:04 AM
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Originally Posted by turbocamaro125
GT45 Turbocharger:
T4 Exhaust Flange, 4" V-Band Outlet, 4 3/16" Inlet
Supports 650+ HP
Compressor Wheel Trim: 50
Compressor A/R: 0.66
Turbine Wheel Trim: 77
Turbine A/R: 1.05
Compressor Wheel Inducer: 68.9mm
Compressor Wheel Exducer: 98mm
Turbine Wheel Inducer: 88mm
Turbine Wheel Exducer: 77.4mm


ebay gt45 specs. If you building a max effort build then the ebay gt45 will be what you need a twin setup. And a 3-12 cam would do a hell of alot better the any stock cam.
Once again, this is not a eBay gt45 turbo... different specs. My a/r is 0.68 the specs you listed are different than mine. And the other guy, its not a gt35 either.. were discussing a t4-.68 a/r gt45
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