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rebuiding T4 advice
Aloha,
This is my 1st type 4 rebuild. It's a stock 2.0 solid lifters with progressive carb in a 74 Westy. I live in Hawaii so heater boxes won't be necessary. The cabinets of the van has been removed. I'd like to make this a mild performance engine that may oneday be used as an upright. I've torn it down. #1 intake valve seat pounding in the head. Should I rebuild stock or next size up valves w/ minor port work? The cam bearings are badly pitted and cam lobes are worn. There is a -4 marking on the cam gear? I'd like to put a new Webcam & solid lifters. Do I need to use my stock cam gear? Any recomendations on cam? The local machine shop is going over all the parts. They have a Scat C35 style cam and a Webcam for Hyd lifters in stock. I'm going to call tommorrow and see what parts are reuseable and what they recomend as well. I also have a pair of dual 36mm Dellortto's I'd like to run on this engine. Do I have to drill both intakes and run a t-fitting for my power brakes? Does someone make J-pipes for type 4's, Where does the altenator bracket attach? Sorry for such a long list. Mahalo Sean :silly: |
#2
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More news
Machine shop said heads are too far gone.
Crank is good, still working on block, p&c. They have rebuilt balanced rods for $65. I'm planning on balancing everything. Would like to get a little more Hamster power and MPG if possible. So far needing: Camshaft (webcam #?) Lifters (webcam) Rebuilt Heads for 2.0 Oil Pump (any recomendations) Fan (mine missing a fin) Intake Manifolds & linkage for Dual Dell's Any ideas as to where I should shop for parts? Trying to keep it low budget Mahalo's Sean |
#3
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The 2L rods are the heaviest, but thats a good deal...
Webcam #86 a/b/c or combination of any (ab, bc) Oil pump- depends on yer cooling. External cooler? Have your oil gulleies drilled and tapped so you can full flow. High capacity pump is gud. Try CB PERFORMANCE for a pump. As for a fan, I have a spare. blasted and painted red 40 + SHIPPING. LMK
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Dave Korijo 73 Olympic Blue 914 1.7L 69 Highlander Bug 1776 93 GL EV 2.5L The Van (sportin' a new FlowMaster !!) |
#4
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I would get larger valves, 2.0L had small valves except for the 914. Unless your heads are badly deformed from overheating, they are probably rebuildable. You should change seats/guides anyway, especially on a bus. It won't be cheap but it is necessary. Check with HeadFlowMasters for rebuild prices/exchange. 1.8L heads (carbed) had 41X34 valves, probably good for torque. I would go with a fairly mild cam for torque. European motors make some heaterbox eliminator tubes that go to a header.
You should use your stock cam gear, it is matched to your crank and block for the correct backlash. It will take a little machine work to fit to a Webcam but worth it. Oil pump: 26mm type one pump (schedek?) from Aircooled.net should be enough. Check with Jake Raby on the mods needed to make the pump work. Places to get parts: Aircooled.net, European Motorworks, Fat Performace. ken |
#5
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Mahalo
Mahalo's to everyone for the great responses.
I have to go and search all my car seats and furniture for spare change to help fund my needs. I'm hoping to order all the parts I need by next weekend. Shipping to Hawaii is the killer. Thanks again Sean |
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