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Awesome bikes. Use to have the 1299. Crazy fast bikes.

Thanks for the update. I got my rotating assembly from modular motor sports and opted for the studded crankshaft so may be similar. Who knows.

The crank snapped with the ARP crank saver stud??

Yeah I don’t spin my engine that high. 7500 so only about 1500rpm over blower speed recommend. More and likely just 7000 until I get my other motor built as to hopefully not blow it up🤣

Was looking back on your accomplishments on the P1sc. 9.0.. 150. Crazy. How much boost, pulley size, and rpm got you there?

How many miles did you get out before the snap? I think I’m going to try and leave my tensioner on the loose side and play around with almost verge of belt slip for shits and giggles

Yes stage 2! Sounds like a full send. Thanks guys!

Nice! Thanks for the replies.

What have you been getting away with on plenty of fuel delivery and E85?? Currently 4.0 pulley P1X. About 14/15ish psi 7600rpm. Have a new block, forged components, supports, and cams ready to be put together. Car runs amazing now. Would you send a 3.70 pulley to maybe 17ish and see if it the...

Do they still claim “1200hp” without the supports?? I’m putting together my short block soon and have the supports but haven’t installed them yet.

Sounds good enough to me. When all is said and done may try and rent a dyno for a couple hours. To try and categorize swinging the cams and it’s affects

Nice. I’m trying the FIC1440’s but they weren’t happy on 93. Will run my 1050x until I switch over to E85

Also bought comp stg2 blower cams for hopes of a little bump in power when maxing out this P1X. Any thoughts on possible horsepower gain?

P1X should be out of steam with the 3.70 pulley

Yeah just rods and pistons. Going to give the coolant jacket support a shot.

I’m at 14-15 with the 4.0 pulley so I’d bet those would get you to 16. Motor so far so good building a mild shortblock currently to put in and will probably send it to the 3.70 pulley.

I believe you can but not necessary. Now that I think about it if it was self tuned no big deal. compression check may not be a bad idea 😁

And I’d love to see the data log

Have mine set 58psi vacuum off. 1700’s should set you straight. still interesting scenario you’re in with the injectors you pulled out and having logs look fine. Has me scratching my head a little bit on how the fuel could have been fine

I have Fore rails. Different length injectors? That sounds weird but not familiar with Sai Li rails.