Are 193 heads any good?
No. 193 is typical of most TBI ’87’95 iron heads, with half the intake valve-bowl approach blocked off—not good for serious performance. With any decent cam, most castings in this series of heads will give up at 3,500-4,000 rpm. Knight says the main exceptions are the ’87-’91 Camaro/Firebird 350-TPI head (casting No.
How much does it cost to replace a head gasket on an outboard motor?
According to a national average, it costs between $1,624 and $1,979 for a head gasket replacement. The associated labor costs are estimated between $909 and $1147 while the parts themselves vary in the range of $715 and $832.
Are TBI heads the same as Vortec heads?
The main differences between the “TBI” (depends on the exact casting that you have, but the size and shape is the same for all) style heads and the Vortec heads are… -8 bolt intake manifold vs. 12 bolt (older style)requiring a vortec specific intake manifold.
How much lift can stock TBI heads handle?
Specs on Stock TBI cam is . 050″ tappet lift (intake/exhaust) is 165/175; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is . 382/. 402.
What kind of cylinder head gasket do I Need?
Cylinder Head Gasket for a GM 250 cid 4.1L inline 6 cylinder engine. A replacement for Mercruiser # 27-47453, OMC 908237. Cylinder Head Gasket for a GM 250 cid 4.1L inline 6 cylinder engine. A replacement for Mercruiser # 27-47453, OMC 908237.
What kind of head gaskets do I need for a MerCruiser?
Cylinder Head Gasket Set. Fits 3.7L 224 CID Mercruiser 4 Cylinder Engine commonly called models 165 170 190 470 485. Includes shown items Cylinder Head Gasket Set.
What kind of head gasket does a Ford V-8 use?
Cylinder Head Gasket for Ford V-8 up to 1996. It fits the 302 C.I.D. (5.0L), and the 351 C.I.D. (5.8L). This item replaces OEM: Mercruiser #… Head Gasket for GM 7.4L 454 cid Gen. 4 Big Block V8. A Generation 4 engine was produced up until about 1991. If you engine has a mechanical fuel pump… Replacement Part is Available.
What kind of gasket does a Chevy 427 use?
Replacement Part is Available. Cylinder Head Gasket Set for GM Chevrolet 427 CID and 7.4L 454 CID Big Block V8 Engines 1991 and earlier. If your engine has a mechanical fuel pump mounted on the engine block then it is a Gen 4…. Cylinder Head Gasket, Nitroseal Stainless Steel.