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-   -   What`s the Difference (http://forums.mustangworks.com/showthread.php?t=25466)

Badass_yellowGT 06-25-2002 01:28 PM
What`s the Difference
 
Hey all i`m new here

i have a question what is the differences that are used on the 99 model 4.6 to get it up to 260 horse from the 98 4.6 225 i have a 98 and if possible would like to get these parts to upgrade my engine:confused:

blackvert00 06-25-2002 02:05 PM
99+ got a new set of heads. a lot of guy with 96-98 4.6L have swapped in 99+ head for the extra hp

blue00gt 06-25-2002 06:35 PM
99+ also have different intake and camshafts to go with the PI heads. I believe you actually end up with a little more hp than a 99+ when you do the swap because you end up with slightly higher compression. Do a search of previous posts - there are some folks on here who have done the swap and who know where to get the parts for the best price.

MIKESHAW 06-26-2002 09:52 AM
THE 99+ HEADS HAVE MORE AIR FLOW THAN THE 98 AND BELOW.

tireburner163 06-26-2002 10:43 AM
Quote:
Originally posted by blue00gt
I believe you actually end up with a little more hp than a 99+ when you do the swap because you end up with slightly higher compression.
Slight??? Try 11:1:eek:


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