Re: Upgrading mercruiser 350 v8 260 hp. Sportsmans II Iron Heads from world products are saying its an improvement of 30-70 HP. I found some on craiglist for $300 for both. 1 Needs a small crack welded though. But prices on. 2022. 6. 25. · 054 3 L Vortec varied, the maximum horsepower RE: Information on GM Vortec 8 The early Gen III truck engines such as the 4 In '05 its variable valve timing, or cam phasing, system was equipped with a new state-of-the-art vane phaser The engine was a truck L18 with ported stock iron heads The engine was a truck L18 with ported stock iron heads. Maybe use Vortec heads instead and purchase a few items from Ebay and reuse what ever is good. ----- 1983 C10, LWB, 90+ Target Master crate 350/TH350, 2.73, 2" Rough Country suspension lift, 31x10.5x15 tires & living at 5000 feet. ... 300 HP out of a 350 is fairly easy with the right engine parts. Add headers, intake and cam for under $500. You. Mercruiser 5.7-L 350 300 1985-1986: 6668677-B4300367: Mercruiser 5.7-L 350 320 EFI 1976-1989: A543604-C622418: Mercruiser 5.7-L 350 MAG ALPHA 1986-1997: ... 5.7/350 GM Long Block Vortec 1997 and up @ 300 HP. Choose Options. Mercruiser 5.7. Choose Options. 5.7/350 GM Premium Engine Vortec 1997 and up @ 300 HP. Choose Options.
The 350 /290 HP is the most popular GM Performance Parts crate engine because no one can deliver such performance for this kind of value. GM Performance Parts believes that everyone should be able to afford a high quality Chevy crate engine V-8 without going broke. The GM Performance 350 /290 is an answer to those car crafters who demand maximum.
This 305 has been prepped and is pretty strong. 2 days ago · Our $300 Vortec 350 core came from AA Midwest, a leading core supplier I did this intake swap on a stock longblock Vortec 350 and theres no more over 5000 rpm power dropoff CVE-2018-8225 7475- T76 FSW Basically the vortec 350 has a lower hp rating cause you get max torque at a lower engine speed Basically. We offer base options as well as turn key GM 350 small block crate engines ready for an easy installation perfect for a self install in your classic car or truck. We are a premium high-performance custom small block builder and we offer horsepower from 350 up to 500 that is specific for daily driving, not racing. 5 Year/50,000 Mile Warranties..
Crate Engine, Long Block, 5.7L/350, Chevy, Small Block, Vortec Heads, Hydraulic Roller Tappet, Each. Part Number: MLL-BP3503CT1. 4.95 out of 5 stars. Estimated Ship Date: Today. Freight Charge; ... ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines with EFI HP32C-EFI. 2.5 out of 5 stars. Estimated Ship Date: Today. CHEVY 350 — 300 - 325 HP. 4 BOLT MAIN. MIDNIGHT BLACK. TURNKEY ENGINE. A "Crate Engine " means "Intake to Pan." Please note this engine is now sold ONLY in a TURNKEY package! Please refer to Chevy-19 for pricing examples.. The Vortec iron small-block Chevy head offer 1.94/1.60-inch vales and 64cc combustion chambers and flow better than any other production iron small-block Chevy head. Their limitation is a limited valve lift potential. Machining the guides to increase the retainer-to-seal clearance is an inexpensive way to convert these heads to use a bigger cam.
86-up. Car & Truck 2 & 4-bolt Passenger stick 1-piece seal. 10051182. 350. Car and Truck 2 & 4-bolt 1 Piece Seal Passenger stick. 10036033. 350. 4-bolt Mexico cast Crate engine. 3992386.
This engine is specifically designed for vehicles and is not for marine or boat use. Core Deposit: $600.00. Note: Please CALL before completing your order to receive a shipping quote, verify vehicle info, confirm a core deposit and details 1-888-995-7278. An additional $300.00 will be added to years 1996-2000. $1,795.00 $2,695.00.. The 12-230-2 will have 290 hp at 4000, but is higher lift, so more wear and tear on the valve train and lower engine life. The 12-300-4 will have 275 hp at 4000, but it is stock lift and is the more conservative build for engine life. Logged. Rich. "Working Girl": 1978 K-10 RCSB 350/TH350/NP203 +2/+3 Tuff Country lift.
Here's what can be done: 475 to 500 HP on pump gas using factory block, crank, rods and heads for around $2,000.00. You're going to buy pistons, cam, bearings, etc and have some machine work done anyway right. The standard rebuild stuff should be all you need. Of course we won't include a carb, distributor, headers, etc.