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Need the firing order for a 1990 C5 Corvette, L98

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Posted on Sep 02, 2010

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What is the location of MAP sensor on a 2004 c5 corvette

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Im looking for a spark plug wirng diagram for a 1966 corette 427

1966 - 1969 with 4 Barrel Carb (L36)
(Low Compression Model)
Max Brake Horsepower - 390 @ 5200 rpm
Max Torque - 470 @ 3600 rpm
Stroke - 3.76
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Firing Order - 18436572

1966 with 4 Barrel Carb (L72)
(High Compression Model)
Max Brake Horsepower - 425 @ 5600 rpm
Max Torque - 460 @ 4000 rpm
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283, 327, 396, 409 and 427 CID Engine 1965-1966
Firing Order 1-8-4-3-6-5-7-2


350 CID Engine 1969-1974 Corvette, 427 CID Engine 1969 Corvette
Firing Order 1-8-4-3-6-5-7-2

Hope this helps (remember to rate this answer)

Jun 15, 2011 | Chevrolet Corvette Cars & Trucks

1 Answer

I have a 1986 monte carlo with a 1990 corvette engine when starting cold it will stall after just a few seconds. i can get it to stay running by reving it high for 15 to 20 seconds but i have alot of...

i would check the fuel injectors to see if 1 of them isn't bad, i had a 1989 corvette with a L98 engine, and it would start up, run a few seconds , then die, then , when i would try to re start it . sometimes it would, and sometimes it wouldn't, i would have to let it set for a short while, but after i diagnosed the fuel injectors , i found out that the # 6 injector on my engine , was bad, i replaced it, and it ran fine aftewards, also , you can check the throttle positioning sensor, hope that this information has helped you.

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1977 350 corvette. Firing order

HI. This pictogram will help you with your firing order for your 77' Corvette.(350).
897ede0.jpgGreat Car!

Aug 17, 2010 | Chevrolet Corvette Cars & Trucks

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Car will not idle

Check your vacuum hoses and then see if the idle screw is set properly and timimg is correct and all clinders are firing properly and in the correct order. Also did this just start or was something changed to make it start??

Nov 01, 2009 | 1990 Chevrolet Corvette

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Change plugs and wire and engine will not acclerate. This is a built 350 short block chevy with pro charger.

350 Chevy engine in what? 1990 Corvette? Who built it, did you?

Sounds as though you have plug wires wrong.
Firing order is 1-8-4-3-6-5-7-2

Distributor Ignition System:
Distributor rotates Clockwise. (Rotor)
Find Number 1 tower on distributor cap, go Clockwise with Firing Order.

Distributorless Ignition System:
VIEWING the engine from the Front of the car.

Spark plug wire connections along the back, starting from Left side going to Right side;

Spark plug wire connection towards the Front of the engine;

(To guess I would say you have 5 and 7 wires switched)

Left side cylinder order is 1-3-5-7, going from front to back.
Drivers side is Left side.
Right side cylinder order is 2-4-6-8, going from front to back.

Oct 13, 2009 | 1990 Chevrolet Corvette

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No a/c and "service ride control" is on after replacing radiator on 99 C5 corvette

ine did that,and i have a blowed fuse,,,and my light came on when they unpluged the wires,,i had to erase the light with a programer..

May 27, 2009 | 1999 Chevrolet Corvette

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Clutch knock at shut down


Dec 09, 2008 | 1991 Chevrolet Corvette

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