Re: Chambered Exhaust
This is a list of the high horsepower guys running the XP cam, you need alot of mods just to run 1.7 rockers with the XP cam, ZZP stage 3 heads which ported/ polished just about as far as you can go, noticed only one guy is running 1.7 rockers with these $2000 heads. Which would require #130 springs and a double roller timing chain, OER lifters for higher revs accccording to ZZP's website where the cam came from. So 1.8 rockers on your car wouldn't be running long. So whatever the guy told you I wouldn't believe it, you have a better chance getting picked up by alliens. We are bashing you because were telling you the setup will not work. If you've worked on cars since ten you should of done your home work or asked for receipts of the work done, if he had all that work done to it most likely he would have headers and a 3" exhaust also intake to take advantage of the heads and cam. Also ported/polished upper and lower intakes and poished TB.
ZZP's Comp Cam XP Grind:
1. MIGPCPREZ w/ 367WHP (G5-m90, I/C, 1.7, ZZP S3 Heads)
2. John C w/ 361WHP (I/C, custom heads) SAE
3. Adam_Murphy w/ 360WHP (G5-m90, I/C, stock heads, 9.5:1) STD
3. GTXPrix w/ 350WHP (I/C, IS3 Heads)
4. jamhoney w/ 347WHP (G5 m-90, I/C, stock heads)
5. phat_gtp7 w/ 346WHP (G5 m-90, I/C, stock heads) STD
This is a list of the high horsepower guys running the XP cam, you need alot of mods just to run 1.7 rockers with the XP cam, ZZP stage 3 heads which ported/ polished just about as far as you can go, noticed only one guy is running 1.7 rockers with these $2000 heads. Which would require #130 springs and a double roller timing chain, OER lifters for higher revs accccording to ZZP's website where the cam came from. So 1.8 rockers on your car wouldn't be running long. So whatever the guy told you I wouldn't believe it, you have a better chance getting picked up by alliens. We are bashing you because were telling you the setup will not work. If you've worked on cars since ten you should of done your home work or asked for receipts of the work done, if he had all that work done to it most likely he would have headers and a 3" exhaust also intake to take advantage of the heads and cam. Also ported/polished upper and lower intakes and poished TB.
ZZP's Comp Cam XP Grind:
1. MIGPCPREZ w/ 367WHP (G5-m90, I/C, 1.7, ZZP S3 Heads)
2. John C w/ 361WHP (I/C, custom heads) SAE
3. Adam_Murphy w/ 360WHP (G5-m90, I/C, stock heads, 9.5:1) STD
3. GTXPrix w/ 350WHP (I/C, IS3 Heads)
4. jamhoney w/ 347WHP (G5 m-90, I/C, stock heads)
5. phat_gtp7 w/ 346WHP (G5 m-90, I/C, stock heads) STD
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