Need some answers...please help

david1993gt · September 22nd, 2011, 02:29 PM

Hey guys thanks for reading... I am currently in afghanistan and my wife and father picked up a 93 gt for me with a slight build... was told its running a 11:1 compression ratio. I want to boost it. How much boost is to much for that high of a compression ratio. felpro gaskets and Arp head studs on a 306 with eagle crank and rods.... not sure of pistons.. other mods off the top of my head are E303 cam... gt 40 ported polished heads... gt 40 lower... typhoon intake... 1.7 roller rockers... bbk shorty headers... H pipe flowmasters out...70mm throttle body... I was told thats a common build for the 302 if so does anyone know roughly what it might be putting to the ground... thanks

69fastback · September 22nd, 2011, 10:00 PM

It may make 270 rwhp because of the bumped compression, that's about it. I wouldn't boost it any at 11:1.

david1993gt · September 23rd, 2011, 12:49 PM

Alright thanks... what is a good compression ratio for boost. I was told that the stock block cant handle much boost or more then 500 hp with out cracking so what options are out there without dropping a different block in there

September 22nd, 2011, 02:29 PM	#1
david1993gt Newbie 1993 Mustang GT Join Date: Sep 2011 Location: Alaska/Michigan Posts: 8 iTrader: 0 reviews	Need some answers...please help Hey guys thanks for reading... I am currently in afghanistan and my wife and father picked up a 93 gt for me with a slight build... was told its running a 11:1 compression ratio. I want to boost it. How much boost is to much for that high of a compression ratio. felpro gaskets and Arp head studs on a 306 with eagle crank and rods.... not sure of pistons.. other mods off the top of my head are E303 cam... gt 40 ported polished heads... gt 40 lower... typhoon intake... 1.7 roller rockers... bbk shorty headers... H pipe flowmasters out...70mm throttle body... I was told thats a common build for the 302 if so does anyone know roughly what it might be putting to the ground... thanks

September 22nd, 2011, 10:00 PM	#2
69fastback Premium Member 1969 Mustang Mach 1 6.824@101.61 Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 5,565 iTrader: 0 reviews	It may make 270 rwhp because of the bumped compression, that's about it. I wouldn't boost it any at 11:1. __________________ ./___ _ ____ ___ \. ( ]]] _ _ O _ _ [[[ ) \_ o _ _____ _ o _/ \|___\| ......... \|___\| http://www.youtube.com/watch?v=HyYU3...e_gdata_player

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September 23rd, 2011, 12:49 PM	#3
david1993gt Newbie 1993 Mustang GT Join Date: Sep 2011 Location: Alaska/Michigan Posts: 8 iTrader: 0 reviews	Alright thanks... what is a good compression ratio for boost. I was told that the stock block cant handle much boost or more then 500 hp with out cracking so what options are out there without dropping a different block in there

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