L15A Head with R20 Block

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03-20-2011, 01:29 PM

jevin09

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L15A Head with R20 Block

may i know can the above combination fit together>>??

03-20-2011, 03:14 PM

kylerwho

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the physical size of the l15a7 head is to small for the r series block. the head bolts dont line up. at least that is the way the l15 head sits on the r18 block.

03-21-2011, 12:37 PM

jevin09

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Quote:

Originally Posted by kylerwho

the physical size of the l15a7 head is to small for the r series block. the head bolts dont line up. at least that is the way the l15 head sits on the r18 block.

u mean it can fit on a R18 block instead of R20??

03-21-2011, 03:28 PM

kylerwho

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im not sure about the r20 but it will not work on the r18 block.

03-22-2011, 11:15 PM

Lyon[Nightroad]

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the l15a7 head doesn't even match up with the original l15 block due to a revised coolant jacket...

03-28-2011, 11:37 AM

jevin09

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any idea does any block that suit our L15a?

03-28-2011, 01:44 PM

Lyon[Nightroad]

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This isn't like the olden days when you would swap out your ancient 95 'stang 4.6 heads for some 03 PI Heads or swap an 'exploder' block.

03-28-2011, 03:11 PM

kylerwho

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your only bet is to sleeve the l15a and bore it out to increase displacement. i have been looking into running a d-series crank in the l15a but i dont know if it will work or not yet.

03-29-2011, 09:00 AM

jevin09

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Quote:

Originally Posted by kylerwho

your only bet is to sleeve the l15a and bore it out to increase displacement. i have been looking into running a d-series crank in the l15a but i dont know if it will work or not yet.

do update if able to combine the setup...