C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

best crate engine

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Old Feb 8, 2006 | 04:37 AM
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Aussie Vet's Avatar
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Default best crate engine

What would be the best crate engine to have an easy fit into an 89 6speed using a mini ram intake. must be at least 383ci . Already considered zz383 but was curious what else is out there, any suggestions will be appreciated, thanks.
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Old Feb 8, 2006 | 07:07 AM
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How much you want to spend?

Any small block is a "easy" fit.
American Autos in Homebush have a Hardcore 454 small block
for $A18K.600Hp
Eagle spares have the Fastburn 350 / 385Hp for $A8K
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Old Feb 8, 2006 | 08:49 AM
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Originally Posted by Aussie Vet
What would be the best crate engine to have an easy fit into an 89 ...
A question to ask about any of the candidates on your list is what
diameter damper is assembled on the crank.

A choice like the ZZ383 comes with an 8" OD damper and this requires
chassis mods or replacement of the damper with a smaller dia unit.
Feasible, but perhaps not a trival consideration for someone in your part
of the globe.

.
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Old Feb 9, 2006 | 12:11 AM
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thanks guys.
Anyone else know of any?
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Old Feb 9, 2006 | 10:41 AM
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Will have to be a buildup using late style one piece rear main seal and matching late model crankshaft to continue using your ZF flywheel and clutch assembly. Limited choices besides ZZ383
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Old Feb 9, 2006 | 11:03 AM
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http://diabolicalperformance.com/ Check these out. Dave has a C4 with 427 himself so he knows what parts fit and which do not on any configuration you want. I recently had him build a 406 specifically configured to pass Ca smog and still make good power. It is in the car now and just waiting for a new fuel pump, due in tomorrow I can't wait to get it dialed in so I can report back in these boards.

Last edited by GeosFun; Feb 9, 2006 at 11:07 AM.
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Old Feb 9, 2006 | 11:18 AM
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Originally Posted by GeosFun
http://diabolicalperformance.com/ Check these out. Dave has a C4 with 427 himself so he knows what parts fit and which do not on any configuration you want. I recently had him build a 406 specifically configured to pass Ca smog and still make good power. It is in the car now and just waiting for a new fuel pump, due in tomorrow I can't wait to get it dialed in so I can report back in these boards.
Tell them to fix their damn website..
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Old Feb 9, 2006 | 11:36 AM
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What problem are you having with it? I can get around on it fine??
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Old Feb 9, 2006 | 03:23 PM
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Originally Posted by Aussie Vet
What would be the best crate engine to have an easy fit into an 89 6speed using a mini ram intake. must be at least 383ci . Already considered zz383 but was curious what else is out there, any suggestions will be appreciated, thanks.
http://www.gmpartsdirect.com/results...partnumber=LS7
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Old Feb 9, 2006 | 05:08 PM
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Yeha good luck with the swap on that one.. I think he is looking for something tha twon't take an act of god and 1/2 a year and a fortune to install... Liek most of us..
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