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Camshaft and Intake matchup?

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Old Feb 12, 2007 | 08:22 AM
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Camshaft and Intake matchup?

So i recently bought a performer rpm q-jet intake, and an XE-262h cam from comp cams. My question is this, will these two work nicely together on my 305 LG4 engine? Or will they end up giving me less horse power than before?
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Old Feb 12, 2007 | 08:56 AM
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Those 2 parts are in reasonable agreement with each other.

They may result in increased HP, assuming that there is no other more sever limitation that puts a cap on the engine's potential.

As far as whether the car will actually be faster or not, that would also depend to a great extent on what's been done to the CAR to allow the engine, as modified, to operate to its full potential.

The LG4 needs exhaust, all the way from the heads to the rear bumper. Every piece needs to go, and be replaced with something OTHER THAN LG4 stuff.

THe gears and converter are designed to force the engine to operate at low RPMs. Changing the engine's optimum RPM range upward, to where it's outside of the range that THE CAR forces it to operate in, will result in a more powerful motor making the car go SLOWER. Yes, it happens. Really.

What exhaust do you have? What gears? What converter?
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Old Feb 12, 2007 | 12:11 PM
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I've got headers and 3" exhaust, with cut outs (which are often opened up). As for gears and converter, its just stock right now. with 3.23 (i thought these gears didnt come factory stock in an 86) and no posi.
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Old Feb 12, 2007 | 02:52 PM
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What gears came stock in a car, and what gears a car has now, are often 2 very different things after 20 years on the road.
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Old Feb 12, 2007 | 03:53 PM
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they're the gears that came stock on the car. Says so on the codes sheet. kind of a wierd little car though, we removed the dash so that we could do a heatercore change, and we found a tag for 1985. Also, its marked for -30 degrees celsius, december 1985. Wierd little car.
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Old Feb 12, 2007 | 08:07 PM
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From: Western Mass
Car: 1985 Camaro/89 Merkur XR4Ti
Engine: 5.0 305 LG4/2.3 Turbo (180hp/205tq)
Transmission: TH700R4 with Shift Improver Kit/T-9
Axle/Gears: 3.42LT1 Rear/3.64
I didnt feel like startign a new thread for this so....I need to know what cams (if any) I can run with Stock intake on a 1985 Camaro with a Carbed 305 intake is stock, just a normal 305 not HO
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Old Feb 12, 2007 | 08:32 PM
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One that a whole bunch of people have used in your situation and been real happy with, is the one just below the one the guy who started this thread picked; the XE256.
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Old Feb 12, 2007 | 08:53 PM
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From: Western Mass
Car: 1985 Camaro/89 Merkur XR4Ti
Engine: 5.0 305 LG4/2.3 Turbo (180hp/205tq)
Transmission: TH700R4 with Shift Improver Kit/T-9
Axle/Gears: 3.42LT1 Rear/3.64
now Im guessing I have a hydraulic cam?....also should I get just the cam or the whole kit?
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