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Re: Cylinder head options.... I am sorry. The heads I am talking about are the 18 degree 45 cc GM heads. If the vortecs flow that well is it worth switching to these heads?

I have a set of vortec heads but thinking about scrapping them for a set of 23 degree GM performance heads. First off does anyone know the cc chamber size difference and cfm rating difference between the two after the vortecs have been worked. 2nd does the sy lower intake still have to be welded...

I have been reading alot of stuff posted about theses motors while i have been gathering the parts to put mine together. I noticed alot of the people who have been on here awhile say that the vortec swap is hard or shouldnt be tried by someone new to these motors. I just was wondering if...

Re: oil pressure sender I thought the senders were the same? I know GM used some of the same senders on multiply vehicles but with different thread size were it screws into the black or brass piece.

Re: HID Lights I have already done this conversion in my blazer. I used a aftermarket diamond cut bucket, and the h4 bulb just plugs into the back of it. The light pattern on these trucks is kinda wide and not super far out in front because of not having a typical projector style housing for...

Re: twin sequencial turbos I know that AMS performance did a Evo with a small turbo spooling the big one. That away it had boost for most of the engines RPM range. But due to the amount of time they had to get it tuned in for the Castrol Syntec Top shop challenge they scraped the little one and...

Re: Post a pic of your truck taken today This is the blazer thats getting the built Sy motor and the second is my dads big block s-10

Re: getting rid of a lot of good stuff!!! Yo do you still have the egr block off and the oil pump? How much for these pieces and is the oil pump new? PS: The rods and pistons worked out great! thanks

So i have a set of heads with casting number 10235772. My question is are these vortec heads, and whats the cfm difference between these and the 98 and later Vortec heads? Also are the later 98 and new vortec heads alum or cast? Looked in the vault and all it said was that its a head from 96.

Re: Parting out typhoon Are there any engine parts left that are in good shape. Or possibly a engine harness?

Re: getting rid of a lot of good stuff!!! I sent you a PM on some parts. Thanks

Re: Sy 1699 PROSTREET BUILD Lee, its Tim, the truck looks good. I will have to come bye and check it out. I like the valve covers...neat job! I haven't driven the BB much lately, but I did put some of the MT pro street radials on it.

Re: Sy 1699 PROSTREET BUILD Looks good Lee. Not that i expected anything less. Reminds me of my dad's big block truck. Adam