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 TargetMaster / Goodwrench 350 Crate Motor

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TruckAddict
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Age : 52
Location : Tornado Alley

PostSubject: TargetMaster / Goodwrench 350 Crate Motor   September 21st 2009, 2:02 pm

Anyone got anything good or bad to say about these Heche en Mexico motors? I aqcuired one in a used long block fashion with a 84 700r4 trans.
Cast # is 10066038, Crank is a Nodular Cast Iron # 3932442, rods do appear to be powder metal forged, with dish cast pistons. Heads are also Heche en Mexico #33417369 and supposed to be similar to the 882 heads that are 76cc with 1.94 Intakes. I have heard both good and bad. Just wondering about anyone else's experiences with them before I put any funds into it. Intent is to be a budget basically stock engine for the 85 K10 with 700r4 and NP208.
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merlin5577
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PostSubject: Re: TargetMaster / Goodwrench 350 Crate Motor   September 21st 2009, 10:35 pm

From what I have heard hey are almost identical to a 350 of the same era. Should serve you well in your budget build up. What are your plans for an intake and exhaust?

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-Robert.
My Fleet;

2011 Volkswagen Jetta TDI 2.0L 6A
2010 Chevrolet Malibu LT 2.4L 6A
2003 Chevrolet Silverado LS 6.6L 5A
1997 GMC Suburban SLT 5.7L 4A


"If you dont stand behind our troops, feel free to stand in front of them."

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PostSubject: Re: TargetMaster / Goodwrench 350 Crate Motor   September 22nd 2009, 9:49 am

Intake will probably be a Performer and a some 600cfm carb, Holley, Edelbrock or Quadrajunk depending on which I feel has a better of chance of being opreational with a kit in it. Maybe headers since I will have to start from scratch on the exhauast. Other info I have found says this crate motor is 260HP with stock I/E, but is 290hp and 325ft lbs torque with these mods. Good enough for an 80's non computer carbed engine.
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PostSubject: Re: TargetMaster / Goodwrench 350 Crate Motor   September 22nd 2009, 10:05 am

Here is the info I found on 2 differant sites abou the engine. The only differance here is the block cast #. Mine ends in 8 instead of 6. Same heads and cam though. I can't see the block making a differance in these ratings.

12499529 G.M. Performance Parts 290 H.P. 350 Crate Engine $2070
8.0:1 compression ratio.


290 HP @5100 rpm


326 ft. lbs of torque @ 3750 rpm


( These Numbers obtained with a Holley 600 CFM Carb,1 3/4" headers , and an Edelbrock Performer intake part # 2101) (1 5/8" headers will work fine with this engine. the 1 3/4" headers listed above were dyno headers used for the test)
Block


-part # 10066034, casting # 10066036 2 piece rear main seal 4 bolt main
Camshaft- Part#3896962 Hydralic Flat tappet


Intake Lift-.450" Exhaust Lift-.460"

Intake Duration @ .050"- 222 Exhaust Duration @.050"- 222 Lobe Seperation-114
Cylinder Heads- part # 14034808 casting #33417369


1.94" Intake valve , 1.50" Exhaust Valve 76cc Combustion Chamber 7 Bolt style Exhaust Flange

Standard 85' and prior intake manifold bolt pattern. Perimeter bolt style Valve Covers.

This head is very similar to the old #882 castings from the 1970's
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merlin5577
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PostSubject: Re: TargetMaster / Goodwrench 350 Crate Motor   September 22nd 2009, 12:28 pm

What kind of vehicle are you planning on putting it in?

================================================
-Robert.
My Fleet;

2011 Volkswagen Jetta TDI 2.0L 6A
2010 Chevrolet Malibu LT 2.4L 6A
2003 Chevrolet Silverado LS 6.6L 5A
1997 GMC Suburban SLT 5.7L 4A


"If you dont stand behind our troops, feel free to stand in front of them."

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PostSubject: Re: TargetMaster / Goodwrench 350 Crate Motor   September 22nd 2009, 4:56 pm

Just a stock 85 4x4 K10 Silverado Longbed. So far still stock as far as differentials with wussy 3.08 gears. The truck orignally had a NP208 and 700r4, so I have those acquired now. It was orignally a 6.2 Diesel vehicle but someone had converted it to 350 gas. So it sounds as if I am putting it back to the way someone else had it at one time. I bougth the whole rolling chassis, glass and interior for $200. All it needs is motor, trans, transfer case and front driveline. Everything else is there. So, its just a low budget project for now to get it running, then I'll upgrade the powertrain at another better financial time.
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merlin5577
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PostSubject: Re: TargetMaster / Goodwrench 350 Crate Motor   September 22nd 2009, 5:48 pm

Sounds like a good combo for your truck. should give you plenty of power, without sucking down gas.

================================================
-Robert.
My Fleet;

2011 Volkswagen Jetta TDI 2.0L 6A
2010 Chevrolet Malibu LT 2.4L 6A
2003 Chevrolet Silverado LS 6.6L 5A
1997 GMC Suburban SLT 5.7L 4A


"If you dont stand behind our troops, feel free to stand in front of them."

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