Offshoreonly.com - 502 camshafts

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

- General Q & A (https://www.offshoreonly.com/forums/general-q-20/)

- - 502 camshafts (https://www.offshoreonly.com/forums/general-q/371496-502-camshafts.html)

Rookie

05-10-2021 02:25 PM

What is your end goal? Budget? You can do a cam swap and spend thousands and only go 1mph faster. You need to know where you want to go to get there.

T1MWV

11-04-2021 11:49 PM

Exhaust upgrades -HP500 reversion

Quote:

Originally Posted by Griff (Post 4789030)

You can't upgrade the cams unless your exhaust has long risers. A good exhaust system is needed for any upgrades.

I have HP500 carb motors, Gen 5 with the original Gil risers, i am suffering from reversion ion both motors. What do you recommend exhaust wise?

getrdunn

11-05-2021 01:52 AM

Quote:

Originally Posted by T1MWV (Post 4811427)

I have HP500 carb motors, Gen 5 with the original Gil risers, i am suffering from reversion ion both motors. What do you recommend exhaust wise?

Exhaust? Dry to the tip and the home owners will pitch in and buy you nice gifts. Hah… All bs aside best solution with some none robbing hp mufflers. 😎

flashgordon

11-05-2021 08:53 AM

12.5 to 13 compression?????????

you wont be running pump gas!!!!

10.5 ish is highest compression,,i think,,u can , should, run on premium pump gas....my motors are 10.3

what do others think??????

xlint89

11-05-2021 05:44 PM

Quote:

Originally Posted by T1MWV (Post 4811427)

I have HP500 carb motors, Gen 5 with the original Gil risers, i am suffering from reversion ion both motors. What do you recommend exhaust wise?

Easiest route might be the HP 500 (taller and longer) risers for your Gil exhaust manifolds.

HP500 Standard Dimension Tailpipe - Polished - CP Performance

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