I have a 86mm 13:1 motor and im looking for the best affordable header i can find any imput?

 

your thread title and question really aren't related. What do you consider "affordable"? What motor is it a B series or what? Best for what? daily driving? autocross? drag?

Better questions gets you better answers.

 

sorry. im looking at the 600 range. I have a gsr sleeved at 86mm with wiseco 13:1 pistons on treated ls rods. itr head that is ported. and running crower 402-2 cams. its gonna be a daily driver/ weekend warrior

 

What lol 13:1 is not gonna happen on pump gas. And why the stock rods? An those cams aren't enough for that compression

 

stock rods as of now i just need to get the car running im looking at getting eagle rods with some deployment money. also a new header and cams. i am already set on buddy club IIIs. i just need a header

 

and kingmotorsports did an lsv with 13:1 on pump made pretty decent power

 

Let me ge this straight;
DD, 86 mm, and 13:1 on BC3s. You have got to be kidding.

86 mm is race engine only bore size.
BCIII are for stock compression motors.

 

the what move to BCIV

 

look im not trying to be an *** im a newb to all motor

 

to answer your question you can get a hytech rep. header for around $400 and make some nice power gains.

as far as your setup goes.... good luck. thats not an ideal setup for a "daily driver". that high of compression needs some type of race gas and more agressive cams. You may have some rod bending problems down the road, and when a rod does bend (which it will) i suggest lowering that compression a tad if you want to make the car streetable.

 

You will need a cam with large primaries to help reduce your dynamic compression. Skunk2 Pro-2's or Pro-3's would be my first pick. Of the cams I've tested, these have been the best performers.

13:1 with Pro-3's is very do-able with 92 octane and careful tuning. I am at close to 12.5:1 on Pro-3's, and I can reach MBT on my ignition advance at peak torque before knock limit. Even high-load low-RPM zones are not an issue. When I broke the motor in using ITR cams, I was knocking a lot in that zone, just too small of a cam.

Hope that helps.

 

skunk pro series stage 2 cams, hytech replica headers and 2.5 to 3 exhaust, should be fine for a daily driver.