aba block (2.0) with what head?

Guest · Post by **Guest** » Mon Nov 08, 2004 10:38 am

I was told by a performance shop in jersey (hodis performance) that i should do an 8v head with a 16 v bottom end (i beleive) and i can basically boost the sh!t out of it....can anyone here give me some more information.

PDX Cabby · Post by **PDX Cabby** » Mon Nov 08, 2004 11:35 am

8v bottom ends (1.8 & 2.0) combined with a 16v head (1.8 or 2.0) make a great low compresstion motor primed and ready for boost

the combination will give you approx 7.8:1 compression. With the right intercooling that means you can get A LOT of boost

however
there is one thing to look out for: Valve Clearance.
the combination gives you an extremely thin valve/piston clearance. Less than a full millimeter if i remember correctly. This can be easily resolved by having a machineshop knotch the 8v pistons to give you added clearance. This will also slightly lower your compression just a hair more.

sixsracing · Post by **sixsracing** » Mon Nov 08, 2004 3:51 pm

PDX answered your question indirectly. If I'm reading this right, your question was should you use an 8v head on a 16v block. PDX is telling you no. You should use a 16v head on an 8v block and have a competent machine shop notch the pistons for valve clearance.

guest · Post by **guest** » Mon Nov 08, 2004 5:17 pm

the performance shop sed to take the bottom end from an 8v 2.0 (from like a 93 golf) and match it with the 8v head from the cabby then boost the doo doo out of it. just needed some clarification.

sixsracing · Post by **sixsracing** » Mon Nov 08, 2004 5:22 pm

I believe that's a very similar setup to what PDX is running. I'm not sure the compression ration will be low enough to handle the boost that you are talking about without grenading. PDX, you out there?

PDX Cabby · Post by **PDX Cabby** » Mon Nov 08, 2004 5:33 pm

oh
whoops
i didn't read correctly

DO NOT BOOST A 16V BOTTOM END WITH AN 8V HEAD!!

the resulting combination of those two will put you at approx 12.5:1 compression

way too high for boost or pump gas

but it is a good way to get a powerful NATURALLY ASPIRATED 8v

but, you should boost the hell out of an 8v bottom end with a 16v head, infact, you'd want to so you can get some of the power back

sixsracing · Post by **sixsracing** » Mon Nov 08, 2004 7:10 pm

I knew there was a communication breakdown there someplace.

turbo_cabby · Post by **turbo_cabby** » Mon Nov 08, 2004 11:03 pm

sorry for the inconveince...i was unaware i wasn't singned in....this post has moved lol

viewtopic.php?p=3664#3664

Post by **kuklaki** » Tue Nov 09, 2004 12:46 am

BTW, take any of those "Vortex Rules" and throw them out the window here. No need to apologize for not signing in or not doing a search, this is a very small forum with a group of friendly folks.
This forum can be dead at times-being only for one type of car limits the user base, but I rather like it that way

sixsracing · Post by **sixsracing** » Tue Nov 09, 2004 8:01 am

Seconded!

turbo_cabby · Post by **turbo_cabby** » Tue Nov 09, 2004 6:29 pm

kuklaki wrote:BTW, take any of those "Vortex Rules" and throw them out the window here. No need to apologize for not signing in or not doing a search, this is a very small forum with a group of friendly folks.
This forum can be dead at times-being only for one type of car limits the user base, but I rather like it that way

i guess that's what happens when normal people run a forum...

Post by **Calimus** » Tue Nov 09, 2004 9:52 pm

Normal???? no one here is normal. We are all very sick people that have an uncureable case of A1 fever.

turbo_cabby · Post by **turbo_cabby** » Tue Nov 09, 2004 10:18 pm

Calimus wrote:Normal???? no one here is normal. We are all very sick people that have an uncureable case of A1 fever.

SWEET...i guess im going to slowly catch that one...but HEY ....well worth it

CalAltaDubber · Post by **CalAltaDubber** » Fri Nov 12, 2004 8:11 pm

turbo_cabby wrote:
Calimus wrote:Normal???? no one here is normal. We are all very sick people that have an uncureable case of A1 fever.
SWEET...i guess im going to slowly catch that one...but HEY ....well worth it

Just remember "We are the people our mothers warned us about".

turbo_cabby · Post by **turbo_cabby** » Fri Nov 12, 2004 9:04 pm

Just remember "We are the people our mothers warned us about". [/quote]

awesome...its ok my mom doesn't like me neways....i spend too much time "throwing my money away at the track"

<----i thought that was the cool thing to do?

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aba block (2.0) with what head?

aba block (2.0) with what head?

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