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Old 04-07-2009, 07:00 PM   #41
LTb1ow
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Woot.

On this block---here is the vision I have of where it'll settle in----
It will be a version of the Dart SHP SBC block, 4.125 bore
The front of the block will be where all the changes from the Gen 1 SHP block are to allow reverse cooling, LT water pump, Opti, engine accessories---Not go jumping on the bad points or short comings of the opti, as that argument won't make a grain of salt in this project because the guys who want an OEM look to there cars will run the stock water pump and opti---And the racers can install crank trigger and manifold mounted distributor, and even run a electric water pump--again, those that object, go your own way -------

My plan for a 2 piece rear seal is to allow a crank that is more easily balanced internally---so you must buy a flex plate/flywheel with a bigger bolt circle----

All oem accessories and mounts will fit the engine----

Exhaust system won't have to be changed

Any LT head /manifold will fit-----those of you that say the chambers are a problem don't know what your talking about---there is no differance between the Gen 1 and LT and the 4.125 bore will unshroud the valves and increase flow rates

Same camshafts/valve train/roller lifters

I see this as an ideal 427 cubes as with a stock cam location and a 3.875 stroke to gain clearance at the cam and piston deck thickness

Gaskets are already available for 4.200 bore from fel-pro

Wholesale selling price similar to SHP around $15-1750, maybe less (or more)

The SHP is cast in such a way that Dart saves quite a BIT IN MACHINING COSTS, hence the lower price

Slayed 4 bolt caps on 2,3,4 mains

GM does not support or service the LT block now, so anyone needing an engine block has no choice but junk yard---

If you want to race an unlimited type deal, get a Donovan,etc---this is planned to have a replacement block for the LTs that will go to a 4.200 bore and take a 4 in stroke----

If you want to run some kind of race where you are limited to a STOCK block of ANY kind, I feel sorry for you.

If you love your car with an LT, here's an oppurtunity to step up with some new parts, a higher level of power and still look right under the hood.

Jerry Clayton
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