Katech "Value 427" short blocks
Originally Posted by corvettetimmy
Katech,
Do those sleeves have a lip at the top or are they bottom registered?
Do you sell the sleeves
Do those sleeves have a lip at the top or are they bottom registered?
Do you sell the sleeves
Originally Posted by MeentSS02
Man...this makes me wonder if I should actually dig into my LS1 and live with that or actually build something bigger and better. Kinda only want to do this once...
Going big the first time is cheaper than doing it twice
And one final question...would the LS7 intake and LS7 style heads be a big benefit over the FAST 90/90 setup with cathedral port heads? Just wondering if the extra expense would justify the gains...
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Originally Posted by MeentSS02
And one final question...would the LS7 intake and LS7 style heads be a big benefit over the FAST 90/90 setup with cathedral port heads? Just wondering if the extra expense would justify the gains...
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From: TAMPA by way of MIAMI!!!
What about some worked L92 heads with an "Aussie" intake assuming the intake flows well with some kind of 90mm TB. Of course we gotta put some money in the heads I just have got the impression that the LS7 set up was a bit of a PITA to set up never mind exspensive. But I do realize you gotta pay to play.
Originally Posted by firefighter
What about some worked L92 heads with an "Aussie" intake assuming the intake flows well with some kind of 90mm TB. Of course we gotta put some money in the heads I just have got the impression that the LS7 set up was a bit of a PITA to set up never mind exspensive. But I do realize you gotta pay to play.
8 Second Club
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From: Toronto
Originally Posted by 383ss
why is the ls7 setup a PITA?? you can buy the heads complete and the intake is cheap.
The only issue was getting around the injectors/fuel rail issue... Jason sold me the parts to solve this issue... a custom throttle cable bracket must be made, but if that concerns you... you have no business doing an engine swap
Here's what she looks and sounds like... hitting the track tonight!
http://s97997631.onlinehome.us/temp/427bird/427bird.wmv
Originally Posted by vmax1500
I just put a 427LS2 with ETP LS7 heads in my Firebird and it was not any harder than putting in my old 385LS1... I think the LS7 heads even untouched work better than the most worked over convention LSx head... and the LS7 intake is a fraction of the price of a Fast 90 and flows much better!
The only issue was getting around the injectors/fuel rail issue... Jason sold me the parts to solve this issue... a custom throttle cable bracket must be made, but if that concerns you... you have no business doing an engine swap
Here's what she looks and sounds like... hitting the track tonight!
http://s97997631.onlinehome.us/temp/427bird/427bird.wmv
The only issue was getting around the injectors/fuel rail issue... Jason sold me the parts to solve this issue... a custom throttle cable bracket must be made, but if that concerns you... you have no business doing an engine swap
Here's what she looks and sounds like... hitting the track tonight!
http://s97997631.onlinehome.us/temp/427bird/427bird.wmv
Aside from the Slicks and Skinnies and sound, I'd never know that car would be one not to mess with...
Great job man, can't wait to see numbers. 
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Originally Posted by vmax1500
Here's what she looks and sounds like... hitting the track tonight!
http://s97997631.onlinehome.us/temp/427bird/427bird.wmv
http://s97997631.onlinehome.us/temp/427bird/427bird.wmv
Teching In
Joined: Mar 2006
Posts: 47
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as far as the block alone goes, is it more or less the same as an ls7 block? by that I mean same material? any additional coatings? same material and thickness sleeves? any gains with one or the other?
this question is purely out of curiosity. also whats the rating for maximum safe hp?
this question is purely out of curiosity. also whats the rating for maximum safe hp?
Originally Posted by rubin
as far as the block alone goes, is it more or less the same as an ls7 block? by that I mean same material? any additional coatings? same material and thickness sleeves? any gains with one or the other?
this question is purely out of curiosity. also whats the rating for maximum safe hp?
this question is purely out of curiosity. also whats the rating for maximum safe hp?
Our sleeved LS2 gets double vacuum impregnated. Other than that it is very similar.
Maximum safe rating? That is probably an arguable guess. We've never failed one.
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From: TAMPA by way of MIAMI!!!
383 and Vmax I sure ain't skeered I've built some stuff in my day. I was Just under the impression that it was more complicated with the offset rockers, injectors and such. I was also under the impression that the L92 stuff could be had cheaper and with less hassle and you could get damn near but not the same results. I'm still in the trying to figure it out phase. I am getting the truck ready for the swap hopefully by the end of the year it'll all be done and I'll be building my motor next year. This is gonna be my daily driver and now I'm thinking about putting in a 7L hell just last year I was set on an LS1 and thought if I wanted to get crazy I'd put in an LS2. If I get 400hp/400tq to the wheels through an M6 I'll be happy.
Last edited by firefighter; Jul 29, 2006 at 04:56 PM.
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From: TAMPA by way of MIAMI!!!
Hey I just figured out that the L92 heads have the same offset rockers and fuel rail issues so to me the only things that dictate which to go with (LS7 vs. L92) is bore size and $$. Basically if you have the bore go with the LS7. I did not know. But now I do.
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From: Rolesville, NC
Originally Posted by Katech
The optimal LS6 heads to use would be our Katech ported LS6 heads with large 2.100 lightweight intake valves. Any LS6 head will work and we suggest a larger chamber to take advantage of the larger bore.
NASA VVx ( PGC3 in 2007) Road race, dont need to pass state inspections.