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Does your 2005 4.8 vortec have a mechanical roller tappet or a hydraulic roller tappet?
Wiki User
∙ 13y ago
That would be a hydraulic roller tappet valve train.
Wiki User
∙ 13y ago
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What will cause roller lifters on a 1997 Chevy Z-71 Vortec 350 to tap on cold start?
low oil pressure or the seal on the roller tappet is old and it takes the roller tappet a minute to pressurize again.
Do all vortec engines have roller lifters?
Yes they are.
Will vortec heads work with out roller lifters?
YES, they sure will.
Will roller lifters in a 1998 vortec 350 work in a 1986 350 block?
NO. The 86 is not a roller block.
350 Chevy pre 1987 with vortec heads what pushrods do you use the pre 87 or the vortec has flat tappet cam?
use your pre 87 unless you have rollers or the application calls for +5 or other.vortecs have rollers.
1994 Chevy silverado 350motor is it a vortec roller?
No it is not. It is a factory TBI / Throttle body injection, None roller camshaft 5.7L 350 engine.
1990 gmc siera can you put a 1996 vortec 350 in it and if so is the cam in a vortec just a good as a RV cam?
You can put the Vortec in it if you have the wiring and ecm to run it. or you could use the Vortec heads and an aftermarket intake and really wake up your engine. The vortecs use a roller cam.
Can a mechanical fuel pump be installed on a Chevy vortec engine?
no the vortec is computerize and that runs the fuel pump At a greater pressure than be atained by a mechanicle fuel pump.
How long are stock push rods on a 5.7 liter vortec?
The "Vortec" engine is almost the same as an old school SBC, all things being such, the push rods are a little different for the OEM roller cams.
Did the 1995 Chevy ck 1500 5.7 engine come with factory roller cam?
I am researching this topic as well and from what I can tell and what others tell me is NO 96-00 5.7 vortec truck engines are roller and TBI 5.7 that were HO like Police packages were roller but as far as the 87- 95 5.7 truck engines NO.
Does a 2002 astro van have a vortec 4.3 or non vortec 4.3?
Vortec
How much hp does my 350 have with 40 over flat top pistons vortec heads 1 point 6 roller rockers comp 268h cam headers and edelbrock intake?
375 sound right?
