What is the Biggest cam with 202 valves on stock pistons

Kevin b · January 2nd, 2007, 10:06 PM

What is the largest cam I can run with a 202 int valve and stock pistons in a 1989 5.0 block with 1.6 roller rockers.

1slo5.0 · January 2nd, 2007, 10:24 PM

Depends on what heads you use. Either way I would highly recomend checking valve to piston clearance. 10 minutes checking the clearance will save you weeks and months of time down the road, not to mention saving you a ton of money.

JBIGBOOTSY · January 2nd, 2007, 10:54 PM

smaller than stock. 1.94 is the max valve size you can use without notching the pistons on a stock bottom end.

1slo5.0 · January 2nd, 2007, 11:21 PM

Originally Posted by JBIGBOOTSY

smaller than stock. 1.94 is the max valve size you can use without notching the pistons on a stock bottom end.

Unless you run a Twisted Wedge head.

89StangGT · January 3rd, 2007, 12:31 AM

Originally Posted by Darrell

Originally Posted by JBIGBOOTSY

smaller than stock. 1.94 is the max valve size you can use without notching the pistons on a stock bottom end.

Unless you run a Twisted Wedge head.

beat me to it. The tw head is the only one i know of that allows you to run the 2.02 heads without fly cutting the pistons.

Kevin b · January 3rd, 2007, 01:11 AM

I bought the twisted wedge heads they are the track heat heads with 202 160. So how big of a cam can I run with 1.6 ratio rockers?

89StangGT · January 3rd, 2007, 01:21 AM

i woudlnt go bigger than a trickflow- 224/232 .542"/.563" (@.050) cam, its susposed to work well with the TW heads.

89StangGT · January 3rd, 2007, 01:21 AM

even with that make sure you check your ptv clearance.

January 2nd, 2007, 10:06 PM	#1
Kevin b Newbie Join Date: Dec 2006 Posts: 26 iTrader: 0 reviews	What is the Biggest cam with 202 valves on stock pistons What is the largest cam I can run with a 202 int valve and stock pistons in a 1989 5.0 block with 1.6 roller rockers.

January 2nd, 2007, 10:24 PM	#2
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Depends on what heads you use. Either way I would highly recomend checking valve to piston clearance. 10 minutes checking the clearance will save you weeks and months of time down the road, not to mention saving you a ton of money. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

January 2nd, 2007, 10:54 PM	#3
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,392 iTrader: 0 reviews	smaller than stock. 1.94 is the max valve size you can use without notching the pistons on a stock bottom end. __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

January 3rd, 2007, 01:21 AM	#7
89StangGT Moderator SVT Cobra Mustang Join Date: Aug 2006 Location: Toledo, Ohio Posts: 1,850 iTrader: 0 reviews	i woudlnt go bigger than a trickflow- 224/232 .542"/.563" (@.050) cam, its susposed to work well with the TW heads. __________________ There's a reason Ford codenamed them the Terminator

January 3rd, 2007, 01:21 AM	#8
89StangGT Moderator SVT Cobra Mustang Join Date: Aug 2006 Location: Toledo, Ohio Posts: 1,850 iTrader: 0 reviews	even with that make sure you check your ptv clearance. __________________ There's a reason Ford codenamed them the Terminator

January 3rd, 2007, 01:11 AM	#6
Kevin b Newbie Join Date: Dec 2006 Posts: 26 iTrader: 0 reviews	I bought the twisted wedge heads they are the track heat heads with 202 160. So how big of a cam can I run with 1.6 ratio rockers?

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