502 camshafts

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05-10-2021 | 02:25 PM

#11

Rookie

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Joined: Jan 2003

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From: Grand Rapids, MI

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.

11-04-2021 | 11:49 PM

#12

T1MWV

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Joined: Jan 2018

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From: North Wales

Exhaust upgrades -HP500 reversion

Quote:

Originally Posted by Griff

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?

11-05-2021 | 01:52 AM

#13

getrdunn

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Joined: Feb 2009

Posts: 8,356

Likes: 1,515

From: NW Michigan

Quote:

Originally Posted by T1MWV

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. 😎

11-05-2021 | 08:53 AM

#14

flashgordon

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Joined: Sep 2012

Posts: 523

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From: new baltimore mi

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??????

Last edited by flashgordon; 11-05-2021 at 09:01 AM. Reason: speeling

11-05-2021 | 05:44 PM

#15

xlint89

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Joined: Mar 2020

Posts: 846

Likes: 507

Quote:

Originally Posted by T1MWV

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