Question 305 Lg4
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Joined: Jul 2004
Posts: 128
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From: barnegat nj
Car: 1988 IROC-Z/1996 DODGE RAM 1500
Engine: 350 L98 TPI/360 v8
Transmission: 700r4/46RE 4x4
Axle/Gears: 4th gen 3.42 10 Bolt Posi/3.90 posi
Question 305 Lg4
I HAVE A REBUILT 305 IN MY CAR WITH 17000 MILES ON IT. I AM REBUILDING MY TRANS AND I WANTED TO KNOW WHAT I COULD TO TO THE MOTOR. JUST TO MAKE IT FASTER
Supreme Member
Joined: Jan 2002
Posts: 3,852
Likes: 1
From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
What do you have for exhaust? I would start with adding headers and 3" exhaust pipe all the way back.
If you know what your doing you can port your stock heads and make them flow tons more.
Advance the base timing a few degrees.
If you know what your doing you can port your stock heads and make them flow tons more.
Advance the base timing a few degrees.
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Joined: Jul 2003
Posts: 4,803
Likes: 2
From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Get rid of the caps lock please.
First and foremost: emissions. Does this car have to be emissions compliant?
First and foremost: emissions. Does this car have to be emissions compliant?
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
My car's not a firebreathing monster of motor madness, but you might check my sig for a few ideas.
JamesC
JamesC
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Joined: Jul 2004
Posts: 128
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From: barnegat nj
Car: 1988 IROC-Z/1996 DODGE RAM 1500
Engine: 350 L98 TPI/360 v8
Transmission: 700r4/46RE 4x4
Axle/Gears: 4th gen 3.42 10 Bolt Posi/3.90 posi
i have a 3 inch flowmaster exhaust and no the car don't have to be emissions compliant.
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Joined: May 2004
Posts: 4,345
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From: Brighton, CO
Car: '72 Chevy Nova
Engine: Solid roller 355
Transmission: TH350
Axle/Gears: 8.5" 10-bolt 3.73 Posi
and for the love of candy, get rid of the stock aircleaner!
Go with a dual snorkel or at the very least an open element.
Go with a dual snorkel or at the very least an open element.
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
All of the above, and cam. And valve springs to handle the cam.
Higher stall torque converter after the cam.
Higher stall torque converter after the cam.
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Joined: Jan 2003
Posts: 801
Likes: 1
From: st. Petersburg, Fla
Car: 83 Z28
Engine: vortec 305 for now
Transmission: 5 speed
Yes, headers, then gear. The reason is that, ( except maybe N2O) the best performance upgrade for the engine per $$ is headers. The best performance upgrade for the car per $$ is gears, and don't underestimate the potential of a good, (that's good, not a cheapo) air cleaner assembly. You might want to try to find one off an L69.
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